A thermal insulation and fire protection felt product is provided. The felt product includes a first layer including a first plurality of nonwoven mechanically entangled oxidized polyacrylonitrile (PAN) precursor fibers bonded together by a first plurality of melted thermoplastic polyphenylene sulfide (PPS) fibers homogeneously mixed with the first plurality of mechanically entangled PAN precursor fibers. The first plurality of melted thermoplastic PPS fibers form a matrix of bond points between individual fibers of the first plurality of mechanically entangled PAN fibers. A second layer includes a second plurality of nonwoven mechanically entangled oxidized PAN precursor fibers bonded together by a second plurality of melted thermoplastic PPS fibers homogeneously mixed with the second plurality of mechanically entangled PAN precursor fibers. The second plurality of melted thermoplastic PPS fibers form a matrix of bond points between individual fibers of the second plurality of mechanically entangled PAN fibers.
B32B 5/06 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a fibrous layer needled to another layer, e.g. of fibres, of paper
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
D04H 1/541 - Composite fibres e.g. sheath-core, sea-island or side-by-sideMixed fibres
D04H 1/558 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing
A thermal insulation and fire protection felt product is provided. The felt product includes a first layer including a first plurality of nonwoven mechanically entangled oxidized polyacrylonitrile (PAN) precursor fibers bonded together by a first plurality of melted thermoplastic polyphenylene sulfide (PPS) fibers homogeneously mixed with the first plurality of mechanically entangled PAN precursor fibers. The first plurality of melted thermoplastic PPS fibers form a matrix of bond points between individual fibers of the first plurality of mechanically entangled PAN fibers. A second layer includes a second plurality of nonwoven mechanically entangled oxidized PAN precursor fibers bonded together by a second plurality of melted thermoplastic PPS fibers homogeneously mixed with the second plurality of mechanically entangled PAN precursor fibers. The second plurality of melted thermoplastic PPS fibers form a matrix of bond points between individual fibers of the second plurality of mechanically entangled PAN fibers.
B32B 5/08 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments the fibres or filaments of a layer being specially arranged or being of different substances
H01M 50/383 - Flame arresting or ignition-preventing means
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
A thermal insulation and fire protection felt product is provided. The felt product includes a first layer including a first plurality of nonwoven mechanically entangled oxidized polyacrylonitrile (PAN) precursor fibers bonded together by a first plurality of melted thermoplastic polyphenylene sulfide (PPS) fibers homogeneously mixed with the first plurality of mechanically entangled PAN precursor fibers. The first plurality of melted thermoplastic PPS fibers form a matrix of bond points between individual fibers of the first plurality of mechanically entangled PAN fibers. A second layer includes a second plurality of nonwoven mechanically entangled oxidized PAN precursor fibers bonded together by a second plurality of melted thermoplastic PPS fibers homogeneously mixed with the second plurality of mechanically entangled PAN precursor fibers. The second plurality of melted thermoplastic PPS fibers form a matrix of bond points between individual fibers of the second plurality of mechanically entangled PAN fibers.
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B60R 13/08 - Insulating elements, e.g. for sound insulation
An automotive panel includes a first layer having a fibrous portion. The first layer additionally includes an electrically conductive thread sewn into the fibrous portion. The sewn electrically conductive thread forms a circuit configured to deliver current from a power source. A second layer overlaps the first layer. At least one of the conductive thread or the fibrous portion includes materials having suitable properties to allow for die cutting or thermoforming the automotive panel without damaging the fibrous portion or disrupting the continuity of the circuit formed by the conductive thread.
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
B60N 3/04 - Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats
B60Q 3/00 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors
B60R 13/02 - Trim mouldingsLedgesWall linersRoof liners
H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
6.
HIGH TEMPERATURE THERMO-ACOUSTIC BARRIER WITH LOW SMOKE AND ODOR
A thermal barrier material is disclosed for applications such as heat shields in automobiles and other vehicles. The thermal barrier material is made on a Fordenier paper making machine from a slurry that is very low in organic compounds that can cause smoke and odor when exposed to high temperatures. A first thermal barrier material is disclosed that can withstand up to 650°C and a second thermal barrier material is disclosed that can withstand up to 1000°C, in each case, the barrier material withstands it max temperature specification while producing extremely iow quantities of smoke and extremely low levels of offensive odors. Prior art thermal barrier materials with similar temperature specifications on the other hand produce many times the smoke and offensive odors at the same temperatures and do so for a far longer time.
A fibrous material or composite including a plurality of layers joined to one another, for example, by needlepunching, is disclosed. The fibrous composite generally has an asymmetrical stretch profile, such that the fibrous composite is more extensible in the cross-machine direction than in the machine direction. The fibrous composite may find particular use in forming a cure-in-place pipe liner.
F16L 55/165 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe being inserted in the damaged section
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/04 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a layer being specifically extensible by reason of its structure or arrangement
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 5/06 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a fibrous layer needled to another layer, e.g. of fibres, of paper
B32B 5/12 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by the relative arrangement of fibres or filaments of adjacent layers
B29K 105/10 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns oriented
B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor
B29C 63/34 - Lining or sheathing of internal surfaces using tubular layer or sheathings
F16L 58/10 - Coatings characterised by the materials used by rubber or plastics
A fibrous material or composite including a plurality of layers joined to one another, for example, by needlepunching, is disclosed. The fibrous composite generally has an asymmetrical stretch profile, such that the fibrous composite is more extensible in the cross-machine direction than in the machine direction. The fibrous composite may find particular use in forming a cure-in-place pipe liner.
B32B 5/04 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a layer being specifically extensible by reason of its structure or arrangement
B32B 5/06 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a fibrous layer needled to another layer, e.g. of fibres, of paper
B32B 5/12 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by the relative arrangement of fibres or filaments of adjacent layers
A cross-lapped multilayered batt, and a method of making the same is presented. The batt includes one or more layers of a carded web of staple fibers, and one or more continuous filament fiber layers. At least some of the staple fibers and, in some instances, some of the continuous filament fibers are mechanically entangled through a thickness of the batt. The method includes folding both the carded web and the continuous filament fiber layers together, and subjecting the folded layers to a needle-punching process to impart structural stability and enhance the Z-directional strength of the batt.
D04H 1/40 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
D04H 1/46 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
D04H 3/105 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
D04H 5/02 - Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. needling
D04H 5/08 - Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
11.
MULTILAYER BATTERY SEPARATOR AND METHOD OF MAKING SAME
A fibrous structure suitable for use as a battery separator is described. The fibrous structure may include a plurality of plies or layers. Each ply or layer serves to provide a barrier function and an absorbent function, such that the multilayer fibrous structure is suitable for use as a battery separator, for example, an alkaline battery separator.
An acoustical insulator having a composite air flow resistance is presented. The insulator may be for being positioned within a void space, and may include first and second sheets. The sheets may be joined to each other in an overlapping configuration along their respective peripheral edges, thereby defining an overlapped area between them. The sheets may include contours, such that the acoustical insulator substantially conforms to a peripheral boundary of the void space. The overlapped area may define a substantially closed air gap between the adjoined first and second sheets, the air gap having variable gap lengths along the respective sheet areas. The density of at least one of the sheets may vary with the variable gap length, so that the sheets and air gap collectively provide a composite air flow resistance through the insulator to absorb noise at a predetermined peak frequency.
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
B32B 3/02 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 3/28 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer comprising a deformed thin sheet, e.g. corrugated, crumpled
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B60R 13/08 - Insulating elements, e.g. for sound insulation
B32B 1/00 - Layered products having a non-planar shape
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Architectural acoustic products, namely, sound absorbing tiles and panels and decorative display panels and tiles composed primarily of non-woven materials for use in the industrial, residential and transportation industries; acoustic insulation in the nature of sound absorbing and diffusing materials, namely tiles and panels composed primarily of non-woven materials for use in the industrial, residential and transportation industries
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Architectural acoustic products, namely, sound absorbing tiles and panels and decorative display panels and tiles which function to control sound, composed primarily of non-woven materials for use in the industrial, residential and transportation industries; acoustic insulation in the nature of sound absorbing and diffusing materials for use in the industrial, residential and transportation industries
According to an aspect, the present embodiments may be associated with a heat shield including a retention feature or member. In an embodiment, the retention member is integrated with the heat shield body and includes a trilobal shaped aperture formed therein. The trilobal shaped aperture is adapted and configured to receive and temporarily retain a fastener. Thus, the heat shield is capable of at least being temporarily held in place prior to the use of permanent installation techniques.
According to an aspect, the present embodiments may be associated with a heat shield including a sealing member. In an embodiment, the sealing member is positioned along at least a portion of a partially hemmed edge and retained thereby. Thus, the heat shield is capable of providing insulative and/or sealing properties when used, specifically thermal, vibrational and/or acoustical shielding, as well as limiting fluid flow across the edge of the heat shield.
A laminate gasket (10) for sealing between two opposing surfaces includes a core layer (20) formed from a sheet of woven material (30) having a first surface (34), a second surface (38) opposite the first surface (34), and a binder material (40) impregnating the sheet and at least partially coating both of the first and second surfaces (34, 38). The laminate gasket (10) also includes a first facing layer (50) adhered to the first surface (34) with the cured binder material (40) and a second facing layer (60) adhered to the second surface (38) with the cured binder material (40) to form a laminate base sheet (70), with each of the first facing layer (50) and the second facing layer (60) comprising a fiber composite material. The laminate gasket (10) further includes one or more process apertures (74) formed through the laminate base sheet and an edge seal (80) formed around an inner edge (76) of the process aperture (74) to prevent interstitial leakage of the process fluid into the core layer (20).
According to some embodiments, a material and a method of providing thermal and acoustical insulation with an insulating shield that is moldable and self-supporting insulating shield, is presented. The shield includes a nonwoven material and an oleophobic coating applied to the outer surface of the nonwoven material. The oleophobic coating includes a percent add-on (%AO) of less than approximately 3%AO and a penetration into the surface of the nonwoven material of less than approximately 10%.
D06M 10/02 - Physical treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents or magnetic fieldsPhysical treatment combined with treatment with chemical compounds or elements ultrasonic or sonicCorona discharge
A composite filter media of a nanofiber layer that includes nanofibers formed from non-polar, non-conductive thermoplastic polymers using a solution spinning process to form the nanofibers directly onto a conductive layer is presented, along with the associated methodology for making such media. The conductive layer includes at least about greater than about 5 wt.% conductive fibers, Z-directional conductivity and a uniform surface conductivity of at least about 10-7 microsiemens.
According to an aspect, the present embodiments may be associated with a wet-laid, nonwoven material including high temperature refractory fibers and thermoplastic fibers formed into the nonwoven material using a wet-laid process. In an embodiment, a fluoropolymer is included in the nonwoven material. In an embodiment, the refractory fibers are at least partially cleaned of shot and latex binder or binder fiber is eliminated or at least substantially reduced.
D04H 1/60 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in dry state, e.g. thermo-activatable agents in solid or molten state, and heat being applied subsequently
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
D04H 1/732 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
According to an aspect, the present embodiments may be associated with a wet-laid, nonwoven material including high temperature refractory fibers and thermoplastic fibers formed into the nonwoven material using a wet-laid process. In an embodiment, a fluoropolymer is included in the nonwoven material. In an embodiment, the refractory fibers are at least partially cleaned of shot and latex binder or binder fiber is eliminated or at least substantially reduced.
D04H 1/541 - Composite fibres e.g. sheath-core, sea-island or side-by-sideMixed fibres
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
A composite sheet includes a base sheet comprising a single ply of dried stock material that includes non-woven natural fibers or non-woven synthetic fibers or both, with the base sheet having a top surface, a bottom surface, and a base sheet thickness between the top surface and the bottom surface. The composite sheet also includes a scrim formed from a plurality of intersecting strands, with the thickness of the scrim, as defined at the intersections of the strands, being at least one third the base sheet thickness, and with at least a majority portion of the thickness of the mesh layer being embedded within the thickness of the base sheet to provide reinforcement for the base sheet.
D04H 1/4266 - Natural fibres not provided for in group
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
A sleeve (140, 260) for sealing an annular gap between opposed coaxial surfaces (124, 136, 224, 236) of a slip joint (150, 250) includes a tubular body (142, 262) formed from a metallic material and having a first end, a second end, a center section between the first and second ends, and a longitudinal cross-sectional profile having a plurality of bendable curves (146, 270). The sleeve (140, 260) is shaped so that two or more of the bendable curves (146, 270) contact each opposed coaxial surface (124, 136, 224, 236) to form two or more circumferential lines of contact (149, 279) with each opposed coaxial surface (124, 136, 224, 236). The sleeve (140, 260) further includes a self-protective oxide undercoat layer (143, 263) that protects the metallic material and a lubricous overcoat layer (145, 265) that provides lubricity to the contact surfaces (149, 279) when the sleeve (140, 260) is exposed to temperatures greater than about 600 °C.
This invention is directed to a filter media for manufacturing pleated filters comprising a non-woven, needle punch felt including a blend of a first polyester fiber and a bi-component fiber wherein said bi-component fiber has a sheath and a core wherein said sheath has a melting point above 110° C. and said nonwoven felt has an efficiency of greater than 89% for particles size of 3 to 10 μm as determined by testing method ASHRAE 52.2. The invention can include a top portion and a bottom portion manufactured from a web made from a carding process that is cross lapped, cut and overlapped so that said top portion and said bottom portion are entangled by a needle punching process to create a homogeneous arrangement prior to applying heat and pressure to stiffen the media for pleating.
An insulating container (10) for controlling the transfer of heat from a hot object contained therein, the insulating container including a first half-shell (20) and a second half-shell (21) configured to couple together to form a sealed enclosure. The container further includes a first insert (40) and a second insert (41) sized and shaped to be received within the first half shell (20) and the second half shell, (21 ) respectively, and having inner surfaces (42, 43) that are shaped to surround and substantially conform to the hot object enclosed within the sealed enclosure, and wherein the first insert (40) and the second insert (41 ) are built up from a plurality of planar pieces (50) of insulating material.
F17C 3/06 - Vessels not under pressure with provision for thermal insulation by insulating layers on the inner surface, i.e. in contact with the stored fluid
A method of making a lightweight thermal shield (902) that includes obtaining a mold (950) having a shaped support screen (960) with a molding surface configured to allow the passage of air and moisture therethrough, and with the mold (950) being adapted for drawing a vacuum (972) from behind the support screen (960). The method also includes applying a wet insulation material onto the molding surface of the support screen (960) and drawing a vacuum (972) to withdraw moisture through the support screen (960) and consolidate a layer of insulation material (93) on top the molding surface. The method further includes removing the consolidated layer of insulation material (933) from off the molding surface, installing the consolidated layer of insulation material (933) into an outer shell layer (920), and drying the consolidated layer of insulation material (933) within the outer shell layer (920) to form a lightweight core insulation layer (930).
B32B 5/22 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 15/02 - Layered products essentially comprising metal in a form other than a sheet, e.g. wire, particles
B32B 15/14 - Layered products essentially comprising metal next to a fibrous or filamentary layer
B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 1/06 - Layered products essentially having a general shape other than plane characterised by fillings or added members in hollow portions
B32B 3/28 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer comprising a deformed thin sheet, e.g. corrugated, crumpled
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 5/00 - Layered products characterised by the non-homogeneity or physical structure of a layer
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/00 - Layered products characterised by the relation between layers Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties Layered products characterised by the interconnection of layers
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 15/00 - Layered products essentially comprising metal
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
A method of making a gasket (110) having a high temperature coating (150) that includes obtaining a substrate (120) formed from a metallic material and having the shape of a gasket, applying a nanoparticle suspension over the outer surfaces (124, 126) of the substrate (120), and heating the substrate (120) or to a first elevated temperature to form an undercoat layer (160) of a self-protective oxide coating (162). The method also includes applying a liquid comprising boron nitride over the undercoat layer (160) and drying the boron nitride liquid at a second elevated temperature to form an overcoat layer (170).
Nonwoven filter media with an alpha value greater than about 13 generally includes a plurality of large diameter fibers, a plurality of ultrafine diameter fibers, and a binder. The large diameter fibers have an average diameter of greater than about 6 microns and make up more than about 60% by weight of the fiber web. The ultrafine diameter fibers have an average diameter of less than about 1 micron. Also disclosed is a method of manufacturing a filter media.
A filter media is generally described including an upstream layer of a nonwoven fiber having a denier between about 5.0 and 7.0 and a weight of between about 3.0 and 5.0 opsy, optionally a scrim, and a cap layer of a fiber having a denier between about 0.1 and 5.0, and a weight between about 2.0 and 4.0 opsy carried by the upstream layer and disposed downstream from the upstream layer. The upstream layer, scrim and cap layer can have a weight of about 4.0 opsy, 2.0 opsy and 3.0 opsy respectively. A downstream layer can be disposed between the upstream layer and the cap layer.
The above objectives are accomplished according to the present invention by providing a filter medium for operating environments needing static electricity dissipation to help reduce ignition sources comprising: a substrate of non-woven felt including a polymeric fiber; a conductive scrim having a grid of conductive filaments adjacent to said substrate layer; and, a top layer of non-woven felt including a polymeric fiber and copolymer fiber blend having a melt temperature greater than 100° C. wherein said substrate layer, said conductive scrim and said top layer are manufactured into said filter medium by mechanical web formation.
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
D04H 5/06 - Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
D04H 5/02 - Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. needling
B01D 39/12 - Filter screens essentially made of metal of wire gauzeFilter screens essentially made of metal of knitted wireFilter screens essentially made of metal of expanded metal
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/08 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments the fibres or filaments of a layer being specially arranged or being of different substances
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B01D 46/42 - Auxiliary equipment or operation thereof
33.
PLEATED FILTER MEDIA WITH CONTINUALLY VARYING INTERMEDIATE PLEAT HEIGHTS
Pleated filtration media and filtration devices generally include a filter media radially disposed about the annular perforated inner core, the filter media comprising a plurality of circumferentially disposed linear pleats extending from the inner core to a constant height (h) defined by an outer diameter; and one or more intermediate pleats circumferentially disposed between adjoining linear pleats, wherein each one of the intermediate pleats has a height less than the constant height, and wherein the height of the intermediate pleats progressively decreases in a clockwise or a counter clockwise direction. Also disclosed are methods for increasing surface area of a pleated filtration media.
B01D 27/06 - Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material
The above objectives are accomplished according to the present invention by providing a filter medium for operating environments needing static electricity dissipation to help reduce ignition sources comprising: a substrate of non-woven felt including a polymeric fiber; a conductive scrim having a grid of conductive filaments adjacent to said substrate layer; and, a top layer of non-woven felt including a polymeric fiber and copolymer fiber blend having a melt temperature greater than 100° C. wherein said substrate layer, said conductive scrim and said top layer are manufactured into said filter medium by mechanical web formation.
B01D 39/14 - Other self-supporting filtering material
D04H 1/46 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
B01D 39/12 - Filter screens essentially made of metal of wire gauzeFilter screens essentially made of metal of knitted wireFilter screens essentially made of metal of expanded metal
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
Filtration media for filtering a liquid includes a plurality of fibers having a coating thereon of a fluorine containing compound. Also disclosed are processes for forming fibrous non-woven liquid filtration media having the coating of the fluorine containing compound. Suitable fluorine containing compounds generally include fluoropolymers, fluorinated hydrocarbons, fluoroacrylate polymers, and the like. The liquid filtration media having the coating of the fluorine containing compound provides markedly improved dirt holding capacity and efficiency properties, among others.
A pleatable, high efficiency composite gas filtration media is provided. The media includes an essentially boron free chopped strand glass backer layer and media layer comprising a synthetic material. The composite media exhibits excellent pleatability, low boron out gassing, and low organic out gassing, with filtration performance comparable to existing commercial membrane composites.
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
A pleatable, high efficiency composite gas filtration media is provided. The media includes an essentially boron free chopped strand glass backer layer and media layer comprising a synthetic material. The composite media exhibits excellent pleatability, low boron out gassing, and low organic out gassing, with filtration performance comparable to existing commercial membrane composites.
Electrical insulation material comprising a fiber component, a binder element, and a dielectric additive and having a dielectric strength measured in air in the range of from about 8.9 MV/m (225 V/mil) to about 15.7 MV/m (325 V/mil), a dielectric strength measured in oil of greater than about 23.6 MV/m (600 V/mil), and a continuous use temperature of from about -30C (-22F) to about 220C (428F). A method of making electrical insulation material, comprising preparing an aqueous slurry comprising a fiber component, forming the slurry into a sheet, saturating the sheet with a saturant, wherein the saturant comprises a binder and a dielectric additive, and drying the saturated sheet. A method comprising preparing an aqueous slurry comprising a fibrillated acrylic fiber, dilution hydroforming the slurry into a sheet, saturating the sheet with a saturant, wherein the saturant comprises a carboxylated styrene-acrylate copolymer and a fluoropolymer, drying the sheet, and providing the sheet for use as insulation on an electrical conductor.
H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
H01B 3/48 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
H01B 3/52 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials woodInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials paperInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials pressboard
Disclosed is a separation media, comprising an upstream layer, comprising fibers, wherein the upstream layer has a mean flow pore size of 8 microns or less; and a downstream layer, comprising fibers. The separation media is designed to separate red blood cells from liquid specimens such as blood and allow a filtrate, such as blood plasma, to flow from said downstream layer. Also provided is a diagnostic test device incorporating the separation media. Further disclosed is a method for separating red blood cells from a liquid specimen.
A molded and shaped acoustical insulating vehicle panel having a dry-laid needled fibrous composite composed of a first portion of about 50 to 80 percent meltable binder fibers and about 20 to 50 percent stable fibers and having a second portion of about 20 to 50 percent meltable binder fibers and 50 to 80 percent of staple fibers. The meltable binder fibers are in a molded and resolidified state such that the resolidified binder fibers of the first portion form a substantially continuous, semi-impervious, densified skin integrally associated with and bonded to a surface of the first portion. The molded composite is in such a heat and pressure molded state that the composite has over a predominance of its area a density of from about 12 to 22 lbs./cubic foot (192 to 352 kg/cubic meter) and the panel is sufficiently rigid as to be self-supporting.
B60R 13/08 - Insulating elements, e.g. for sound insulation
B62D 25/16 - Mud-guards or wingsWheel cover panels
D04H 1/48 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
D04H 1/54 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
There is provided a substrate (1) capable of carrying uniformly dispersed, finely divided, particulate, solid particles, e. g., catalyst particles (10) and sustaining temperatures in excess of 1200 degrees F. The substrate comprises a top layer (2) for containing the particles (10) and composed of quartz fibers (4) with an average diameter of between about 0.1 and 4 microns and about 0 to 13% of microglass fibers having a softening point of about 1000 degrees F. A support layer (3) is composed of the fibers of the top layer and, in addition, bulk refractory, e. g., ceramic, fibers (6) having and average diameter of about 1 to 4 microns and 0 to 50% of chopped e-glass fiber (7). A method for producing the substrate is provided that includes wet laying the top and bottom layers in spaced apart times so that the juncture (8) between the two layers has intermingled fibers whereby the consolidated layers are not easily separated.
The invention provides a composite, dual layer filtration material (1) having a gradient structure, comprising a dust layer (2) of wet laid dust fibers (5), a HEPA layer (3) of wet laid HEPA fibers (6) laid on top of the dust layer (2), and a transition zone (4) between dust layer (2) and HEPA layer (3) of a mixture of wet laid dust fibers (5) and wet laid HEPA fibers (6), and wherein the transition zone (4) so bonds the dust layer (2) to the HEPA layer (3) such that the composite (1) may be pleated into a pleated HEPA filtration material (30) without substantial disruption of the bond between the two layers. A corresponding process is also provided.
A pleated filtration material (1) is provided with at least one filtration layer (2) and a stiffening layer (4). The method comprises preparing the filtration layer (2) as a non-woven layer of synthetic fibers, preparing the stiffening support layer (4) as a non-woven layer of synthetic fibers, with a majority of the fibers having an average denier at least two times the average denier of the synthetic fibers of the filtration layer (2) and sufficient in number and denier so that when attached to the filtration layer (2) produces a self-supporting composite (5), forming lines (7) of spaced apart perforations (6) in the support layer (4), attaching the perforated support layer (4) to the filtration layer (2) to form the composite (5) thereof, and pleating the composite filtration material (5) by folding the composite filtration material (5) along the lines (7) of the perforations (6) in the support layer (4).
B01D 29/07 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
49.
PROCESS AND APPARATUS FOR MAKING IMPROVED GLASS MICRO FIBERS
A process is provided for producing improved, superior and more cost effective glass micro fibers, wherein molten glass in filament form is attenuated into glass micro fibers by gasses of a combusted mixture of air and fuel. The improvement comprises introducing into the mixture a gas stream containing at east 70% by volume of oxygen. This avoids problems in glass micro fiber production where the quality of the fibers varies from time to time, as demonstrated by the quality of paper produced therefrom. An apparatus for producing the fibers is also provided, as well as improved glass micro fibers and improved papers made therefrom.
A composite fuel filter material which comprises (A) a support layer made of wet laid cellulose and/or synthetic fibers, (B) a barrier layer having wet laid glass fibers for providing increased efficiency to the filter material, (C) a thermosetting bonding agent dispersed through the composite and in an amount sufficient for bonding the composite into a strong, tear resistant and pleatable material, and (D) a water repellant agent dispersed in the composite for removing and coalescing water dispersed in a fuel to be filtered. In a preferred embodiment for a diesel fuel filter, the glass fibers have an average diameter of about 0.1 to 2.0 microns and the thermosetting bonding agent is an epoxy resin in the composite in an amount of between 1 and 5% by weight. A filter efficiency of at least 90% or even 99% can be achieved, along with a water removal of 90 to 99.9%.
16 - Paper, cardboard and goods made from these materials
Goods & Services
Filter paper containing glass fibers sold in web form to
manufacturers of air filtering and air conditioning
equipment to make air filtration elements for their
equipment used in creating clean room conditions.
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
24 - Textiles and textile goods
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Specialty transfusion devices, namely, syringe sets, platelet and plasma pooling harnesses, and cryogenic freezing bags.
(2) Specialty papers, namely, bookbinding materials, adhesives for stationery, stationery, namely: specialty papers for bookbindings, synthetic paper, saturating papers and substrates, namely: engineered papers for reinforcement in bookbinds, tapes and electrical wire wrappings.
(3) Insulation materials, namely, wire and cable wrap; padding and stuffing materials, namely: thermal and acoustical insulation padding consisting of fibers, metallic and polymetric material for automotive, transportation and appliance use, heat and acoustical shields and acoustical insulation barriers; vinyl and cloth textiles for use in the manufacture of barriers and insulation materials.
(4) Building materials, namely: engineered non-wovens providing flame resistance and mold resistance, on wall boards, decking, metal, particle board, comprised primarily of wood; mineral board; engineered wood products, namely: wall boards, hardboards, decking board, wood beams, and polyethylene board material used as a wood substitute.
(5) Vinyl and cloth textiles for use in the manufacture of filters, purifiers, and shields. (1) Transport services, namely: by tractor trailer, ferry, boat, rail and air.
(2) Treatment of materials, namely: thermal upgrade treatment for cellulose-based insulation materials.
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
22 - Rope, netting, tents, awnings, sails and sacks; padding and stuffing materials
24 - Textiles and textile goods
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Specialty transfusion devices, namely, syringe sets, platelet and plasma pooling harnesses, and cryogenic freezing bags. Specialty papers, namely, bookbinding materials, adhesives for stationery, stationery. Insulation materials, namely, wire and cable wrap. Building materials (non-metallic). Bags (not included in other clases); padding and stuffing materials. Textiles (not included in other classes), namely, adsorption and filtration media that may be laminated to other media. Treatment of materials.
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
22 - Rope, netting, tents, awnings, sails and sacks; padding and stuffing materials
24 - Textiles and textile goods
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Specialty transfusion devices, namely, syringe sets comprised of tubes, adaptor caps, needles, platelet and plasma pooling harnesses, and cryogenic freezing bags Specialty papers, namely, [ bookbindings, ] synthetic paper; paper for use in reinforcement of bookbindings, tapes and electrical wire wrapping Insulation materials, namely, thermal and acoustical insulation padding consisting of fibers, metallic and polymetric material for automotive, transportation and appliance use, heat and acoustical shields and acoustical insulation barriers Building materials, namely, fibrous coverings, durable plastic coatings, polymers with interlinings, and, laminate substrates used on metal, hard board, wall board, decking boards, wood beams, particle board and cement to strengthen the durability thereof; and microbiological resistant material, namely, material for stopping microbiological growth such as mold, mildew and fungus to be applied to metal, hard board, wall board, decking boards, wood beams, particle board and cement Padding materials not rubber or plastic, wadding for padding and stuffing Vinyl and cloth textiles for use in the manufacture of filters, purifiers, barriers, shields and insulation materials [ Transport by tractor trailer, ferry, boat, rail, air ] [ Treatment of materials, namely, thermal upgrade treatment for cellulose-based insulation materials ]
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
Goods & Services
PAPERS FOR DOMESTIC AND INDUSTRIAL USE, NAMELY SATURATING PAPERS, SEPARATOR PAPERS, CARRIER PAPERS, AND PAPERS FOR USE IN MAKING WRAPPING TAPES, ADHESIVE TAPES, AND CUSHIONING TAPES PAPERS USED FOR ELECTRICAL AND HEAT INSULATING PURPOSES
16 - Paper, cardboard and goods made from these materials
Goods & Services
(1) Filter paper containing glass fibers sold in web form to manufacturers of air filtering and air conditioning equipment to make air filtration elements for their equipment used in creating clean room conditions.
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Depth filter material solely for use in the transmission of fluids to and from the human body.
(2) Filter media in sheet form and made of synthetic fibres for use in filtering solid particles from fluids.
16 - Paper, cardboard and goods made from these materials
Goods & Services
Filter Paper Containing Glass Fibers Sold in Web Form to Manufacturers of Air Filtering and Air Conditioning Equipment to Make Air Filtration Elements for Their Equipment Used in Creating Clean Room Conditions
