Class 144/370 - Chipping

Subclass of Class 144 - Woodworking
Definition: Process wherein one of the discrete operations comprises
No. of patents: 37
Last issue date: 02/20/2007

Number	Title	Issue Date
7178566	Process and apparatus for producing veneer strips, chipped wood or the like The invention relates to a process and an apparatus for producing veneer strips, chipped wood or the like, individual pieces of wood being joined together, with grains parallel, to form a group and then a multiplicity of such groups being arranged one behind the oth...	02/20/2007
7025251	Log cutting system The present invention discloses a log sawing system comprising multiple cutting blades. The multiple cutting blades are positioned to cut laterally or perpendicular to the centerline of the log which is to be cut. The logs are transported into cutting position using...	04/11/2006
7017632	Position-based integrated motion controlled curve sawing A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through an upstream ...	03/28/2006
5915429	Compact small diameter log sawmill A sawmill that is a compact integrated unit of a multiplicity of components all mounted on a common frame for performing different functions to produce pieces of lumber from a log. Logs can be processed that have a minimum diameter of approximately 2" and...	06/29/1999
5762121	Procedure for working a tree trunk by machining Procedure for working tree trunks by machining into wood products, such as boards and cants. In the procedure, from trunks (1) preferably trimmed on at least two sides, at first at least one side board (3) is sawn so that at least part of the dull edge (2...	06/09/1998
5727611	Method for adjusting blade clearance in a disc chipper and axial guide bearing system of a disc chipper A method for adjusting the blade clearance in a disc chipper by moving in the axial direction a bearing bushing of a disc shaft together with the bearing. The axial movement of the shaft is effected by loosening adjusting screws or adjusting nuts of one o...	03/17/1998
5469904	Apparatus and procedure for cutting square timber Procedure and apparatus for sawing a square timber, the apparatus comprising a feed mechanism (1), a chipper (2) and a sawing apparatus (3) in such manner that .the feed mechanism has been arranged to feed the square timber into the chipper, the chipper h...	11/28/1995
5447186	Chipping canter A chipping canter is provided for producing four-sided cants from curved logs. It allows the slabbing heads thereof to follow the natural curvature of the logs for obtaining cants having a maximum cross-sectional area and length. Each log is flatly dispos...	09/05/1995
5421386	Breakdown of logs In a method of sawing a log where, to avoid edging, inner comers (3) are first cut out prior to sawing off the edged boards, inner corners (3) are cut out along curved lines, each with a planar smooth surface (4) and a chopped rough surface (5) which is c...	06/06/1995
5349999	Mobile combination debarking/chipping machine A combination debarking/delimbing and chipping machine for processing logs is mounted on a single chassis. The debarking/delimbing apparatus of the machine has a lower flail positioned below a material feed path and two adjustable flails positioned above ...	09/27/1994
5326614	Chipped wood surfacing material Methods for producing a chipped wood surfacing material having unusually high shock absorbing capabilities are provided. The chipped wood is processed in order to give it a very high shock absorbing quality. This invention also relates to chipped wood hav...	07/05/1994
5299610	Process and device for the continuous chipping of long timbers A process and a device for the continuous chipping of timbers of different length. To increase the chipping performance, in the execution of the sawing cut or directly thereafter, at least one supporting element for supporting the leading end face of a lo...	04/05/1994
5193597	Material stripper and debris removal apparatus therefor A debris conveyor for removing limbs, bark and other debris from between a tree stripping apparatus and a tree chipping apparatus defines a path between the stripper and chipper and comprises a conveyor extending under the path for conveying debris away f...	03/16/1993
5042727	Bushwood chopper and spreader attachment The bushwood chopper of the present invention comprises a frame adapted to be mounted on a crane-type vehicle at the end of a boom. The frame has a structure for supporting a rotatable shaft on which is mounted at least one disc supporting on its peripher...	08/27/1991
4949768	Log surface hewing process and associate surface hewing machine A process and machine for reconfiguring the surfaces of a construction log (10) used in the construction of log structures to produce a log having the appearance of a hand-hewn log. The process includes a first step (30) of chamfering at least the upper a...	08/21/1990
4895197	Method and apparatus for sawing logs A log (10) to be sawn into boards is supported by a support assembly (26) which supports the log with its longitudinal axis aligned with the direction of carriage movement of a carriage (22) reciprocating along a defined pathway. A side trimming head (12)...	01/23/1990
4889169	Combination log debarker-chipper A combination log debarking, log chipping unit having a debarking apparatus and a chipping apparatus mounted on a common chassis, the two apparatus are aligned for conveying logs from the debarking apparatus to the chipping apparatus. The two apparatus ar...	12/26/1989
4874024	Wood processing device having self-reversing feature A wood cutting knife is provided for producing wood chips or flakes. The knife includes a central cutting member, and two wing members positioned on opposite sides of the central cutting member. The height of the wing members determines the depth of cut o...	10/17/1989
4871003	Log surface hewing process A process for reconfiguring the surfaces of a construction log (10) used in the construction of log structures to produce a log having the appearance of a hand-hewn log. The process includes a first step (30) of chamfering at least the upper and lower for...	10/03/1989
4865094	Long log waferizer A long log waferizer for converting logs into wafers comprising a base, with a reciprocating hydraulic cylinder for controlling a wheeled movable frame adapted for linear reciprocating movement on the base. A motor is mounted to the movable frame to drive...	09/12/1989
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
4444234	Log processing apparatus and method A method and apparatus of processing logs prior to further processing in lumber, plywood, pulp or veneer mills. In the apparatus, logs are deposited into a cradle formed between a rotating cutter drum and support rollers which guide the log against the cu...	04/24/1984
4431039	Involuted disc slicer A comminuting apparatus for reducing trees or portions thereof to particles of engineered length especially suitable for ring flaking for subsequent use in flakeboard fabrication and for use by utilities and industries using wood for energy production. Th...	02/14/1984
4335767	Method and apparatus for the chipping dissection of tree logs into all-round machined lumber products An improved method and apparatus for efficiently producing machined lumber products such as boards and squared timber is described wherein, after initial four-sided planing of a log, the remaining wany edge regions are milled using saw/chipper units which...	06/22/1982
4327789	Method and apparatus for the chipping dissection of tree logs into all-round machined lumber products An improved method and apparatus for processing elongated logs to give maximum production of lumber is described wherein the log is initially cut to present four flattened faces thereon with wany edge regions between adjacent faces, followed by first part...	05/04/1982
4301844	Method and chip-manufacturing edging-mill for edging board In a method of edging boards and of cutting the wane edge of the board into chip form in connection therewith, there is used an edging-mill (2) having a circular sawblade (3) which separates the wane from the board (1) in the form of a so-called rib (1a)....	11/24/1981
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
4250937	Sawmill log handling method A log is moved forwardly in a longitudinal path through a saw while engaged between a pusher dog and a holdback dog. The dogs are supported respectively by a pair of endless carriers which are parallel and adjacent to each other on one side of the log pat...	02/17/1981
4239069	Automatic cant production machine A woodworking machine to convert round logs to square or rectangular cants by initially cutting with initial chipping cutters pairs of adjacent grooves respectively in the opposite upper and lower surfaces of each log to form corners of said cant thereon ...	12/16/1980
4152960	Sawmill apparatus A log is moved forwardly in a longitudinal path through a saw while engaged between a pusher dog and a holdback dog. The dogs are supported respectively by a pair of endless carriers which are parallel and adjacent to each other on one side of the log pat...	05/08/1979
4146072	Log handling method and apparatus Logs are advanced substantially in the direction of their longitudinal axes through a saw while engaged between a driven pusher dog and a retarded holdback dog. The pusher dog is on an endless carrier chain located above an initial log support, and the ho...	03/27/1979
4074601	Automatic sawmill In an automatic sawmill, a caliper device measures the diameter of an incoming log and the log is then positioned against a pair of backstands over a log receiving carriage. A plurality of cutting devices are positioned relative to the carriage, and the s...	02/21/1978
4015648	Sawmill A sawmill for cutting finished boards from logs in a single operation. The log is mounted on a reciprocating carriage which is also laterally adjustable to control the thickness of each board. Two vertically adjustable circular chippers are mounted on a v...	04/05/1977
3989076	Pulp chip forming crosscut saws One pulp chip forming crosscut saw includes a saw chain including a U-shaped combined side slitter and raker tooth and a depth gauge carrying a center slitter tooth extending above the side slitter and raker tooth so that the center slitter tooth slits th...	11/02/1976
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
3960041	Automatic sawmill In an automatic sawmill, a caliper device measures the diameter of an incoming log and the log is then positioned against a pair of backstands over a log receiving carriage. A plurality of cutting devices are positioned relative to the carriage, and the s...	06/01/1976
3951187	Machine to prepare logs for log houses A machine for processing wood logs for construction of log houses. The machine includes a power feed to load the logs into a self-centering device. A carriage assembly is centered about the log and the log is mounted in the carriage on powered centers so ...	04/20/1976

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Class 144/370 - Chipping