The present invention enables the production of an optionally large width thermoplastic sandwich panel with composite skins in a 0/90° unidirectional tape layup. The composite skins can be composed of thermoplastic film or sheet material. The present invention allows rapid production of different widths of completed thermoplastic honeycomb sandwich panels. Thermoplastic film or sheet is preferably joined/laminated by thermoplastic welding to a honeycomb core.
B32B 3/18 - 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 discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by an internal layer formed of separate pieces of material
B32B 3/12 - 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 discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
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
2.
THERMOPLASTIC HONEYCOMB STRUCTURES WITH MULTI-LAYER CELL WALLS, THEIR PRODUCTION PROCESS AND EQUIPMENT
Embodiments of the present invention provide a honeycomb core, formed from a plurality of polygonal cells arranged in an array, wherein: each polygonal cell has lateral cell walls, the lateral cell walls of each polygonal cell forming a polygonal ring, the lateral cell walls being composed of a sheet material, the sheet material being a symmetric three-layer or five-layer thermoplastic co-extruded sheet material having an inner central or core layer and outer layers. The symmetric three-layer or five-layer thermoplastic co-extruded sheet material provides improved mechanical properties compared to a simple sheet material.
B32B 1/00 - Layered products having a non-planar shape
B32B 3/12 - 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 discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
A folded honeycomb structure is described which is produced from a material by plastic deformation perpendicular to the plane of the material to thereby form half-hexagonal cell walls and small connecting areas. The cell walls in L-direction of the honeycomb core have a wavy shape with an amplitude of about 10% of the cell wall length. A zero slope of the wavy shape at the cell wall connections (12, 14, 18, 19) allows an optimal shear load transfer between the cell walls. By folding in the direction of conveyance the wavy cell walls meet to thereby form the honeycomb structure.
A flooring composite (100, 200) comprising a flooring surface (101, 201) and a folded core structure (102, 202), wherein the flooring surface (101, 201) comprises a flooring face surface and a flooring back surface, and wherein the folded core structure (102, 202) is located adjacent to the flooring back surface, characterized in that said folded core structure (102, 202) is formed from an uncut flat body, by plastic deformation perpendicular to the plane of the uncut flat body such that three-dimensional structures comprising half cell walls (409, 410) and connection areas (305a) are formed, wherein the half cell walls (409, 410) are at an angle α to each other to provide a relaxed honeycomb structure (202) or adjoin one another in the form of a honeycomb cell to provide a half-closed honeycomb structure (102), wherein the adjoining cell walls of neighboring half cell walls are free of bonding to each other at the main surfaces of the cell walls.
E04F 15/10 - Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard
D06N 7/00 - Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
B29C 53/06 - Forming folding lines by pressing or scoring
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B31D 3/00 - Making articles of cellular structure, e.g. insulating board
B32B 3/12 - 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 discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
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 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 9/02 - Layered products essentially comprising a particular substance not covered by groups comprising animal or vegetable substances
B32B 21/04 - Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, next to another layer of a specific substance
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
A composite structure for a floating floor system including at least one layer of force muting material and a layer of formwork, wherein the layer of formwork is located on the at least one layer of force muting material wherein the layer of formwork is a half closed folded honeycomb structure or a relaxed honeycomb structure.
A hierarchical sandwich core and a method of making it where a macroscopic honeycomb with a first macroscopic cell with first sandwich cell walls is connected to neighbouring macroscopic cells with neighbouring sandwich cell walls. The first and neighbouring sandwich cell walls are made of a sandwich material having a width, a mesoscopic core, and a first skin layer on a first major surface and a second skin layer on a second major surface of the sandwich material, both skin layers being attached to the mesoscopic core forming each sandwich cell wall of the macroscopic honeycomb. The first and the neighbouring cell walls have a height determined by the width of the sandwich material, both skin layers of the first sandwich cell wall being connected to both skin layers of at least one neighbouring cell wall along the height of the first cell wall.
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B32B 3/00 - 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
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 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
A hierarchical sandwich core and a method of making it whereby a macroscopic honeycomb with a first macroscopic cell with first sandwich cell walls is connected to neighbouring macroscopic cells with neighbouring sandwich cell walls, the first and neighbouring sandwich cell walls being made of a sandwich material having a width, a mesoscopic core, and a first skin layer on a first major surface and a second skin layer on a second major surface of the sandwich material, both skin layers being attached to the mesoscopic core forming each sandwich cell wall of the macroscopic honeycomb,the first and the neighbouring cell walls having a height determined by the width of the sandwich material, both skin layers of the first sandwich cell wall being connected to both skin layers of at least one neighbouring cell wall along the height of the first cell wall.
A hierarchical sandwich core in the form of a honeycomb, i.e. having repetitive and periodic lattice materials. The sandwich core can be made up of a macroscopic honeycomb structure with sandwich cell walls having a mesoscopic cellular core. The longitudinal axis of cells of the mesoscopic honeycomb cell can be perpendicular to the longitudinal axis of the cells of the macroscopic honeycomb structure. Alternatively, if a foam core is used having mesoscopic cells the shape of the mesoscopic cells can be made during the foaming process so that they are elongate in a direction perpendicular to the longitudinal axis of the cells of the macroscopic honeycomb structure.
A hierarchical sandwich core (20) is described in the form of a honeycomb, i.e. having repetitive and periodic lattice materials. The sandwich core (20) can be made up of a macroscopic honeycomb structure with sandwich cell walls having a mesoscopic cellular core. The longitudinal axis of cells of the mesoscopic honeycomb cell can be perpendicular to the longitudinal axis of the cells of the macroscopic honeycomb structure. Alternatively, if a foam core is used having mesoscopic cells the shape of the mesoscopic cells can be made during the foaming process so that they are elongate in a direction perpendicular to the longitudinal axis of the cells of the macroscopic honeycomb structure.
A water drainage and water retention body for use in subsoil areas (12), in particular in the outdoor area, comprising a plurality of substantially prismatic hollow bodies (20, 22, 24; 76), which adjoin one another in a horizontal plane (16) in the use state, which in each case encompass a bottom area (26; 78), which is arranged substantially parallel to the horizontal plane (16), and a jacket area unit (28), and the axes (32) of which are arranged substantially in a vertical direction (18) perpendicular to the horizontal plane (16), wherein at least one jacket area (30) of the jacket area unit (28) of a hollow body (20, 22, 24; 76) simultaneously serves as a jacket area (30) of the jacket area unit (28) of an adjoining hollow body (20, 22, 24; 76).
An elastic folded honeycomb structure is described which is produced from a continuous web (10) of material by plastic deformation perpendicular to the plane of the material to thereby form half-hexagonal cell walls (5,7,15) which are essentially not flat and connecting areas (17,18). By folding in the direction of conveyance the cell walls meet to thereby form the honeycomb structure. The cell walls are formed from the 3D-structures such that the cells walls have convex and/or concave portions and exhibit an elastic behavior under flatwise compression.
B31D 3/02 - Making articles of cellular structure, e.g. insulating board honeycombed structures
B32B 3/12 - 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 discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
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