A knife with disposable inserts. Either (1 ) a front side of the knife body has a cutting edge, the front side of the insert is removably mounted to a rear side of the knife body, and either (A) a rear side of the insert has a cutting edge, or (B) the rear side of the insert has a blunt face that forms a rear side of the knife; or (2) a rear side of the knife body has a blunt face that forms the rear side of the knife, the rear side of the insert is removably mounted to the front side of the knife body, and the front side of the insert has a cutting edge.
A knife with disposable inserts. Either (1 ) a front side of the knife body has a cutting edge, the front side of the insert is removably mounted to a rear side of the knife body, and either (A) a rear side of the insert has a cutting edge, or (B) the rear side of the insert has a blunt face that forms a rear side of the knife; or (2) a rear side of the knife body has a blunt face that forms the rear side of the knife, the rear side of the insert is removably mounted to the front side of the knife body, and the front side of the insert has a cutting edge.
A knife with disposable inserts. Either (1) a front side of the knife body has a cutting edge, the front side of the insert is removably mounted to a rear side of the knife body, and either (A) a rear side of the insert has a cutting edge, or (B) the rear side of the insert has a blunt face that forms a rear side of the knife; or (2) a rear side of the knife body has a blunt face that forms the rear side of the knife, the rear side of the insert is removably mounted to the front side of the knife body, and the front side of the insert has a cutting edge.
A knife and knife assembly for a planer side head. An L or an LV type side planer head is retro-fitted with knives having substantially less mass than the knives originally provided for these heads.
A knife and knife assembly for a planer side head. An L or an LV type side planer head is retro-fitted with knives having substantially less mass than the knives originally provided for these heads.
A knife and knife assembly for a planer side head. An L or an LV type side planer head is retro-fitted with knives having substantially less mass than the knives originally provided for these heads.
B27G 13/02 - Cutter blocksOther rotary cutting tools specially adapted for working wood or similar materials in the shape of long arbors, i.e. cylinder cutting blocks
A double-sided wear insert, for a knife assembly that includes a knife, a clamp, and a holder. In one embodiment, the wear insert can be turned end-for-end, and in another embodiment the wear insert can be flipped up-side down, to double the service life of the part.
A double-sided wear insert, for a knife assembly that includes a knife, a clamp, and a holder. In one embodiment, the wear insert can be turned end-for-end, and in another embodiment the wear insert can be flipped up-side down, to double the service life of the part.
A double-sided wear insert, for a knife assembly that includes a knife, a clamp, and a holder. In one embodiment, the wear insert can be turned end-for-end, and in another embodiment the wear insert can be flipped up-side down, to double the service life of the part.
A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module (20a), providing a conical, solid hub module (20b) for mounting one or more chipping knives (14), and at least one of (a) installing one or more control plates (40) between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.
A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module (20a), providing a conical, solid hub module (20b) for mounting one or more chipping knives (14), and at least one of (a) installing one or more control plates (40) between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.
A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module, providing a conical, solid hub module for mounting one or more chipping knives, and at least one of (a) installing one or more control plates between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.
A knife assembly and chipping knife therefor. The knife is rotated about an axis and has a front side facing the direction of rotation. The knife (40) has a single deflector ridge (28) extending from the front side of the knife and two indexing features (30) on either side of the deflector ridge, each corresponding to spaced apart, parallel cutting edges of the knife defining a plane.
A knife assembly and chipping knife therefor. The knife is rotated about an axis and has a front side facing the direction of rotation. The knife has a single deflector ridge extending from the front side of the knife and two indexing features on either side of the deflector ridge, each corresponding to spaced apart, parallel cutting edges of the knife defining a plane.
A drum chipper and method providing for air cooling. A drum member, a knife, and a carrier for mounting the knife to the drum member are provided. The carrier comprises an upper clamping member and a lower clamping member for clamping the knife therebetween. The carrier is adapted to mount to the drum member at axially spaced apart mounting positions thereon. The apparatus is advantageously used to chip heat sensitive materials, such as plastic, particularly where the carrier is spaced above and unsupported by the drum member over a span defined between the mounting positions to provide for airflow between the drum member and the carrier.
B02C 18/14 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like with rotating knives within horizontal containers
B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
A high speed planer head. A threaded member (34) having a frustoconical portion wedges against a knife (104), to clamp a knife to a hub for rotating the knife about an axis of revolution. The knife has a front and back side, two cutting edges (136a, 136b) and mirror image symmetry about a mirror plane passing through the knife. To cut both a planar face and two opposed, radiused corners, the cutting edges include respective linear face-cutting portions disposed between two concave, arcuate corner-cutting portions.
A high speed planer head is provided for planing construction lumber and the like. A threaded member having a frustoconical portion wedges against a knife, to clamp a knife to a hub for rotating the knife about an axis of revolution. The knife has a front and back side, two cutting edges and mirror image symmetry about a mirror plane passing through the knife. To cut both a planar face and two opposed, radiused corners, the cutting edges include respective linear face-cutting portions disposed between two concave, arcuate corner-cutting portions. The knife has an attack relief angle y that is fixed over at least the face-cutting edge portion and the corner-cutting portions.
A refiner plate defines an axis of rotation that further defines variations in azimuth. The refiner plate includes an annular body portion and a plurality of azimuthally spaced-apart elongate bars projecting from the body portion. The bars have top surfaces having elevations that vary as functions of azimuth. A disc refiner further defines a direction of rotation of the refiner plate. Preferably, each top surface slopes downwardly in the direction opposite the direction of rotation, to provide for relief. Preferably in addition, each bar has a side intersecting the respective top surface that leans forwardly in the direction of rotation, to provide for attack.
A knife assembly and chipping knife therefor. The knife assembly includes a knife, and employs an upper clamping member and a lower clamping member for clamping the knife therebetween. The knife (12) has an elongate axis (EA) and two spaced apart cutting edges (12a, 12b) parallel to the elongate axis and defining a first reference plane (A) . The knife is further defined by a plane of reflective symmetry (POS) that is perpendicular to the first reference plane and which contains the elongate axis. The knife has a front side and a back side spaced from the front side. The front and back sides terminate in the cutting edges. A deflector ridge (28) projects from the front side and reaches a point (L) of greatest maximum projection of the knife from the first reference plane, the point lying in the plane of reflective symmetry.
A knife assembly and chipping knife therefor. The knife assembly includes a knife, and employs an upper clamping member and a lower clamping member for clamping the knife therebetween. The knife (12) has an elongate axis (EA) and two spaced apart cutting edges (12a, 12b) parallel to the elongate axis and defining a first reference plane (A) . The knife is further defined by a plane of reflective symmetry (POS) that is perpendicular to the first reference plane and which contains the elongate axis. The knife has a front side and a back side spaced from the front side. The front and back sides terminate in the cutting edges. A deflector ridge (28) projects from the front side and reaches a point (L) of greatest maximum projection of the knife from the first reference plane, the point lying in the plane of reflective symmetry.
A method and apparatus for adjusting knife extension. A knife assembly (30) comprises a base (38) and cover plate (34) for clamping a knife (36) therebetween. The cover plate (34) attaches to the base (38) and indexes the knife (36). An adjustment mechanism (40) provides for adjusting the position of the cover plate (34) relative to the base (38) and defining an adjusted position of the knife (36) relative to the base.
A drum flaker and knife (20) therefor. A drum flaker comprises a drum for turning about an axis of revolution, a plurality of knife assemblies mounted to the drum, and a plurality of knives for mounting in the knife assemblies. The knives each have an elongate axis and comprise, on a first cutting side of the knife, at least two sets of cutting edges (20a, 20b) . The cutting edges of one of the sets alternate with and are radially offset from corresponding and respective cutting edges of the other of the sets.
A conical chipper/canter head (10) . The head is adapted for rotation about an axis and comprises, at least, one or more chipping knives (14) . Each chipping knife provides at least one pair of linear cutting edges comprising a face cutting edge and a chip cutting edge angled with respect to each other. The face cutting edge defines a planar, face cutting surface of revolution of the cutting head, and the chip cutting edge defines a conical, chip cutting surface of revolution of the cutting head. The face and chip cutting edges of the same chipping knife lie in substantially the same plane . A cutting head may include a plurality of facing knives (30) and corresponding clamping members in addition to one or more chipping knives . Each facing knife includes a facing knife-face cutting edge. The facing knives and corresponding clamping members are adapted so that each of the facing knives is removable from the cutting head without removing any of the other of the facing knives .
A conical chipper/canter head. The head includes, at least, one or more chipping knives. Each chipping knife provides at least one pair of linear cutting edges including a face cutting edge and a chip cutting edge angled with respect to each other. The face cutting edge defines a planar, face cutting surface of revolution of the cutting head, and the chip cutting edge defines a conical, chip cutting surface of revolution of the cutting head. The face and chip cutting edges of the same chipping knife lie in substantially the same plane. A cutting head may include a plurality of facing knives and corresponding clamping members in addition to one or more chipping knives. The facing knives and corresponding clamping members are adapted so that each of the facing knives is removable from the cutting head without removing any other facing knives.
A knife assembly and chipping knife therefor. The knife assembly includes a knife, and employs an upper clamping member and a lower clamping member for clamping the knife therebetween. The knife has an elongate axis and two spaced apart cutting edges parallel to the elongate axis and defining a first reference plane. The knife is further defined by a plane of reflective symmetry that is perpendicular to the first reference plane and which contains the elongate axis. The knife has a front side and a back side spaced from the front side. The front and back sides terminate in the cutting edges. A deflector ridge projects from the front side and reaches a point of greatest maximum projection of the knife from the first reference plane, the point lying in the plane of reflective symmetry.
A high speed planer head. A threaded member having a frustoconical portion wedges against a knife, to clamp a knife to a hub for rotating the knife about an axis of revolution. The knife has a front and back side, two cutting edges and mirror image symmetry about a mirror plane passing through the knife. To cut both a planar face and two opposed, radiused corners, the cutting edges include respective linear face-cutting portions disposed between two concave, arcuate corner-cutting portions.
A ring slicer with easily removable knife and knife assembly. According to one aspect of the invention, a ring assembly comprises two end plates for rotation about an axis of rotation. Each of the knife assemblies comprises an elongate knife having a cutting edge extending along an elongate axis, a base, and a clamp for clamping the knife to the base. The knife assemblies are adapted for installation between the end plates such that the shoulder portions of at least two shoulder bolts extend through one of the end plates into the base.
B27L 11/00 - Manufacture of wood shavings, chips, powder, or the likeTools therefor
B26D 7/26 - Means for mounting or adjusting the cutting memberMeans for adjusting the stroke of the cutting member
B27B 5/30 - Sawing machines working with circular saw bladesComponents or equipment therefor DetailsComponent partsAccessories for mounting or securing saw blades or saw spindles
B27L 11/02 - Manufacture of wood shavings, chips, powder, or the likeTools therefor of wood shavings or the like
A high speed planer head. Disclosed according to one aspect of the invention is a hub and a threaded member. The hub is axially disposed for rotation about an axis, and has a pocket for receiving a first knife against a supporting wall of the pocket. The threaded member has a frustoconical ramping portion for producing a wedging force against the knife when the threaded member is threaded into a threaded hole in the hub. According to another aspect of the invention, a second hub for carrying a second knife is provided, the second hub preferably being bolted to the first hub to that the hubs can be disassembled. The second knife preferably has two linear cutting edges and the second knife preferably has at least two curvilinear cutting edges and more preferably has four concave, semi-circular cutting edges that are spaced apart from one another with 90 degree rotational symmetry.
A ring slicer with easily removable knife and knife assembly. According to one aspect of the invention, a ring assembly comprises two end plates for rotation about an axis of rotation. Each of the knife assemblies comprises an elongate knife having a cutting edge extending along an elongate axis, a base, and a clamp for clamping the knife to the base. The knife assemblies are adapted for installation between the end plates such that the shoulder portions of at least two shoulder bolts extend through one of the end plates into the base.
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Business management services, namely providing economic reporting tools for management and analysis of operational performance, productivity, and inventory maintenance of wood chipping facilities.
