Class 144/41 - Shaping and dividing

Subclass of Class 144 - Woodworking
Definition: Machine for giving some predetermined contour to several
No. of patents: 31
Last issue date: 03/25/2008

Number	Title	Issue Date
7347232	Lumber processing apparatus and method A method and apparatus are provided for processing rough cut lumber to convert the rough cut lumber into trimmed to length and dimensionally trimmed to form a standard piece of dimensioned lumber. The process and apparatus includes the formation of a plurality of co...	03/25/2008
7093628	Method of and apparatus for forming timbers with rounded ends The method of forming timbers especially for use as webs in timber roof trusses comprising feeding timbers in a predetermined path with the timbers extending transversely to the direction of feed and, as the timbers are so fed, shaping the ends thereof to rounded fo...	08/22/2006
6817392	Apparatus for shaping timbers with improved timber control An apparatus for forming workpieces with rounded ends especially for use as webs in timber roof trusses. The apparatus includes a feeding system for feeding workpieces into a row of workpieces arranged along a path of travel and cyclically advancing the row along th...	11/16/2004
5423358	Fastening system for a circular saw blade A fastening system for a circular saw blade (1, 10), wherein the circular saw blade is fastened by means of a screw/screws (2, 9) to a fastening flange on the turning arbor (6), to a chipping edger (3) in a hewing saw, or to a chipping cutter (8). The fas...	06/13/1995
5303754	Fastening system for a rip-saw blade and a chipping edger A fastening system for a rip saw blade and chipping edger combination includes at least one rip saw blade provided with holes and at least one chipping edger mounted collinearly and adjacent to the rip saw blade on a turning arbor so that the teeth of the...	04/19/1994
5279344	Circular saw blade assembly The present invention concerns a circular saw blade assembly for a saw mill or similar apparatus used for sawing boards from logs, said circular saw blade assembly comprising at least two circular saw blades attachable to and axially transferrable on a sa...	01/18/1994
5143127	Sawing machine An apparatus for the cutting and sawing of logs including a cutting unit mounted to engage the log and including a pair of spaced apart axle sets. Each of said axle sets has mounted thereon at least one disc saw for sawing the logs in a lengthwise directi...	09/01/1992
4984615	Method and device for cutting a sandwich panel A method and device for making a completely smooth cut in a sandwich panel constructed of a core having two relatively thin and mechanically resistant skin plates adhered thereto on both sides. The disclosed method using the steps of cutting a channel in ...	01/15/1991
4951725	Method of continuously processing elongated articles such as coherent pairs of chopsticks and an apparatus for carrying out the method A method and an apparatus for continuously processing and packing elongated articles (10) such as coherent pairs of chopsticks imply that the articles (10) are continuously advanced in the longitudinal direction in a track and are centrally aligned during...	08/28/1990
4949767	Apparatus and method for manufacture of wood patch An improved wood patch, in combination with a slot formed in a blemished wooden surface, and apparatus and method of manufacture thereof. The improved wood patch has, where the wooden surface to be repaired is horizontal, three faces: a flat horizontal ex...	08/21/1990
4840207	Apparatus for making wooden I-beams A complete production line of a wood I-beam manufacturing apparatus and the method of manufacture is disclosed wherein generally identical chord members are simultaneously formed by cutting of a wooden stock material into the chord members and simultaneou...	06/20/1989
4833859	Composite beam A composite beam has round timber sections joined by nail plates, each timber section being edged in accordance with the conical contour of the tree trunk from which it is formed. The timber sections are joined by the nail plates with their tapered ends p...	05/30/1989
4711279	Device for shaving the sides of tree trunks Two circular saws are arranged with their rotary axes parallel to each other and driven in opposite rotational directions. The flight circles of the two saws overlap each other. The cutting edges each extend, without touching, into the gaps of the respect...	12/08/1987
4653560	Fixed curve linebar The present invention comprises the combination of an elongated curved linebar with at least one saw. This arrangement enables "sawing-around-the-curve" so that increased recovery can be obtained from cants or logs having significant amounts of sweep. The...	03/31/1987
4633924	Variable curve linebar The present invention is a linebar assembly for guiding a cant or log into a saw. It comprises a flexible linebar which can be bent from a straight-line configuration to one approximating a circular arc having a minimum radius of about 30 m. The linebar c...	01/06/1987
4599929	Method of guiding saw blades and device for carrying out the method A method and a device for carrying out the method of guiding the blades (4) of a circular saw in operation, such as at the sawing of, for example, saw timber, timber blocks, battens or other workpieces on wood basis, where one or several blades (4) are lo...	07/15/1986
4570687	Method and apparatus for producing lumber products which are machined on all sides A method and apparatus for producing lumber products which are machined on all sides. With this method, the curved trunk which is to be machined, and which increases approximately conically in thickness toward one of its ends, is first, prior to flattenin...	02/18/1986
4561477	Woodworking machine and blades therefor A woodworking machine to form finished dimensional lumber from cants by a single pass of the cants through the machine and comprising compression and feed rollers above and below a longitudinal path and parallel longitudinally offset arbors respectively a...	12/31/1985
4499934	Cutter for square timber hewing machine A cutter for square timber hewing, which consists of a cutter disk shaped like a truncated cone and on the mantle surface of which have been affixed cutter bits arranged after each other in helical configuration, so that cutting takes place with each cutt...	02/19/1985
4422488	Machine for producing drawer-sides The machine described in this disclosure serves to produce pairs of drawer sides from a panel, the thickness of which is slightly more than twice the thickness of one drawer-side; a first arrangement of saws cuts the panel to a predetermined drawer-side h...	12/27/1983
4416312	Guiding mechanism for timber cutting machines A cutting machine fitted with saw blades for pieces of timber has, adjacent to at least one pair of outer saw blades, lateral guide devices, the position of which can be adjusted, and which ensure the guiding of a worked piece of timber when its rear end ...	11/22/1983
4396315	Cutting tools A precision high velocity cutting tool having indexable inserts or cutting bits includes a replaceable cutting section or insert holding nest that is made of a material that is harder and stronger than that from which it is economical to make the major cu...	08/02/1983
4300604	System to produce wood products from peeler core logs A saw and chipping device to convert veneer peeler logs into pieces of lumber of dimensions to produce maximum useful products and minimum waste and comprising a pair of similar sets of saws and intervening chippers on a pair of parallel power driven arbo...	11/17/1981
4219056	Method and apparatus for sawing timber The invention relates to a method and apparatus for sawing logs having a curved longitudinal length to obtain maximum recovery of sawed planks therefrom. There are provided several sawing stations for handling the curved log including edge sawing, heart s...	08/26/1980
4218877	Machine for making wooden chains Apparatus and method of machining a long wooden rod of square cross-section, of selected dimension, so as to provide a multi-link chain of separate inter-linked oval links. In its simplest form, the machine involves a single rotating cutter assembly, whic...	08/26/1980
4181164	Headstock for a panel cutting machine A headstock of a panel cutting machine for cutting panels having a laminate, and particularly wood panels having a plastic laminate comprising, a conveyor for feeding a panel in a feed direction on a feed path, a rotatably mounted panel cutting device dis...	01/01/1980
4181056	Double bay woodworking machine A double bay industrial saw having delivery mechanism to receive timber cants of substantial size selectively directed to either saw bay where a single source of power operates multiple saw systems respectively operable to produce different types of board...	01/01/1980
4149577	Cant forming machine This disclosure relates to a cant forming machine wherein logs are cut in advance to the predetermined length of the wood slats and pieces to be formed, after which the logs are automatically moved through a series of saws and molding heads to first cut g...	04/17/1979
4009741	Woodworking machine A woodworking machine capable of simultaneously making a number of cuts through stock material and shaping opposed edges simultaneously to form a plurality of pieces finished on all sides. The woodworking machine includes feeding means capable of feeding ...	03/01/1977
3977447	Harvester chipper machine This invention is directed to apparatus and method for working pieces of wood and which pieces of wood may have a flat side or may be a log. The apparatus and method are directed to the climb cutting or climb milling, on the face of the wood, and the rotary mi...	08/31/1976

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Class 144/41 - Shaping and dividing