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7543615 |
Optimized board edger and method of operation thereof
In a first aspect of the invention, there is provided a new method for edging a wood board. This method comprises the steps of constructing from the scanned images of a wood board, a virtual entity...
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7536939 |
Apparatus and method for curve sawing of a plank
The invention concerns an apparatus and method for guiding a plank towards cutting tools for curve sawing of the plank. The apparatus comprises a first guide and drive mechanism mounted on a...
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7530298 |
Sawmill
A sawmill having a saw blade 11 which can move between a substantially horizontal cutting position and a substantially vertical cutting position, the sawmill having a control arm 14 which...
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7207249 |
Lineal optimization gang/edger for cutting cants and flitches
A combination gang saw and edger system cuts both cants and flitches into boards. Cants and flitches are fed singly, lengthwise into the system on an infeed conveyor. On the conveyor, the cant or...
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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...
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6895843 |
Method of using band saw with reciprocating workpiece
A resaw apparatus and method of sawing a succession of boards from a cant of a succession of cants. A band saw is vertically positioned to cut the succession of boards from the cant as the cant is...
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6877411 |
Active sawguide assembly and method
A sawguide assembly includes a set of sawguides positioned adjacent to one another to create an array of laterally-abutting sawguides. A sawguide biasing assembly biases the sawguides against one...
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6860302 |
Apparatus for controlled curved sawing or cutting of two-faced cants
In combination with a cant sawing or cutting unit, a system for guiding two-faced cants through the cut along the line of their natural curvature which includes at the infeed and outfeed ends of...
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6817393 |
End-dogging head saw and method
An end-dogging head saw is disclosed comprising a log cradle for supporting a log, a log-turning device for rotating the log into proper alignment with a pair of band saws, the log-turning device...
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6772665 |
Band saw with reciprocating workpiece and method of using
A resaw apparatus and method of sawing a succession of boards from a cant of a succession of cants. A band saw is vertically positioned to cut the succession of boards from the cant as the cant is...
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6761009 |
Method and arrangement for wood studs
The present invention relates to a method for manufacturing studs ( 9 ) or the like generally oblong pieces comprising a central web ( 14 ) and opposite flanges ( 8 a , 8 b ) connected thereto. The...
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6722248 |
Bi-directional cutting band mill
A bi-directional cutting band mill apparatus utilizes two band saws mounted on a carriage for cutting horizontal sections from logs through successive back and forth passes across each log as the...
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6655429 |
Saw mill with apparatus for guiding a board and method for use thereof
A saw mill includes a base frame having a front and a rear and being sized and configured to support a log; saw apparatus having a cutting blade and being connected with the base frame for...
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6648037 |
Teak board with straight-line grain and manufacturing process therefor
Five processes for cutting teak wood timber so that the resulting logs have at least one straight-line grain surface and minimal surface area showing buds. Logs or thin sections thereof when...
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6644164 |
Rotatable saw unit for optimized log breakdown
A rotatable saw unit for optimized log breakdown includes a saw unit immediately downstream of an infeed conveyor and cooperating with the infeed conveyor for sawing a workpiece as the workpiece is...
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6629549 |
Lathe attachment for a portable bandsaw mill
The present invention consists of a lathe attachment for installation on a portable bandsaw mill, for turning round shafts from wood blocks on the portable bandsaw mill. The lathe attachment has an...
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6532850 |
Method and apparatus for dissecting logs
A method and an apparatus for dissecting logs in a sawing installation are disclosed. The installation having a reciprocally moving longitudinal conveyor for moving the logs reciprocally through a...
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6446412 |
Glulam wood beams and method of making same
There is provided a glulam wood beam comprising planks having a width substantially smaller than the width of the beam, assembled into snips. The beam is characterized by the presence of flash in...
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6374881 |
Method for cutting up logs
The invention relates to a method for cutting a log into pieces. The log is cut into pieces with at least two nearly diametrical cuts (S 1 , S 2 ), where the outermost lie essentially symmetrically...
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6325119 |
Device for producing square beams from tree trunks
To produce square beams from tree trunks (13), a device is proposed in which a tree trunk (13) is first positioned by a centering device (4) such that the lengthwise axis (14) of the tree trunk...
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6308756 |
Dual alternating transverse feeding mechanism for lumber edgers
A lumber feeding mechanism for feeding lumber pieces laterally on a supply conveyor after scanning them with a light scanner to determine a reference axis for the optimum yield of boards. The...
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6295907 |
Method and apparatus for on-line monitoring of log sawing
Ultrasonic techniques are applied to the measurement of wooden members to detect splitting during sawing operations and thereby allow modification of sawing technique or change in saw cut placement.
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6286571 |
Process for sawing logs
The invention relates to a method of sawing a log in order to provide a high yield of vertical-grained pieces of lumber. According to the invention, this is achieved by sawing from the log not only...
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6178858 |
Shape sawing system
This invention applies to a shape sawing system for sawing lumber pieces from a curved cant portion. A scanner scans the cant portion as it is conveyed on a conveyor system and inputs the scan data...
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6161603 |
Procedure and apparatus for working a tree trunk by chipping
Procedure for working curved tree trunks by chipping into timber products, such as boards and cants, in which procedure the trunk (T) is crook-chipped and a straight side board (S1) is edged at the...
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6128994 |
One man circular saw mill
The circular saw mill has an engine driven circular saw on a carriage. The carriage has a table that catches the sawn lumber and caries it back to the operator. The saw mill is laid out so one man...
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6062280 |
Method and apparatus for scanning, optimizing and edging a board with and an active edger
An active edger includes an actively positionable gangsaw or a first end saw mounted on an arbor mounted within a stationary saw box. The gangsaw or first end saw is actively positionable relative...
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6038954 |
Portable bandsaw sawmill apparatus
A portable bank saw sawmill which includes a specially designed tubular frame with four rigid tubular posts attaching the overhead track system to the lower deck frame. Logs are placed and secured...
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6032708 |
Radial sawing log holder and method
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5946995 |
Method and apparatus for curve sawing or traverse edging with an active sawbox
An edging and curve-sawing saw has a selectively skewable sawbox, skewable to a workpiece infeed path so as to receive workpieces translated longitudinally along the infeed path and into the...
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5881786 |
Method of producing wood strips for conversion into composite lumber products
The invention is a method for producing flitches prepared from roundwood logs, a method for the manufacture of wood slices or slats from the flitches, and methods of combining the strips into...
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5865929 |
Method of producing laminated wood beams
A plurality of conventional wood planks are vertically stacked and adhesively joined into an aligned symmetrical pile, the top and bottom planks being wider than planks, therebetween. A...
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5853038 |
Method and apparatus for the variable position feeding of a gang saw
A device for feeding a workpiece into a gang saw sawblade cluster has a longitudinal drive for selectively longitudinally translating a workpiece, which has been sequenced onto the longitudinal...
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5826637 |
Method and apparatus for multiple feeding of flitches to a board edger
An apparatus for sequenced or simultaneous feeding of a plurality of flitches to a board edger includes a sequencing conveyor for sequenced feeding of flitches in a horizontal first direction, the...
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5816302 |
Method and apparatus for forming curved cants for curve sawing in an active gangsaw
A gangsaw in-feed mechanism for positioning a cant and feeding the cant generally longitudinally into a gangsaw along a feed path, wherein the cant is oriented with its planar faces generally...
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5816015 |
Wooden beam and process for its manufacture
A beam is composed of a tree trunk which has been star-mortised into right triangular sections which are joined together in pairs to produce rectanguloid laminae that are, in turn, glued together...
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5806401 |
Satellite sawmill with adjustable saws and automatic sawbolt centering device
A sawmill for milling a length of sawbolt includes a frame and a plurality of saws movably mounted to the frame. The plurality of saws include bandsaws, edging saws, and chain saws for making...
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5785102 |
Board edging infeed apparatus
Disclosed herein is an apparatus for positioning an elongate cant for the infeed of the cant into an edging device capable of longitudinally cutting the cant to remove the wane edges thereof. The...
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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...
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5722474 |
Method and apparatus for cutting a cant into boards
Apparatus for detecting dimensional information of a workpiece such as a canted log is used to control a gang saw mounted on a pivot axis to cut the log into substantially even thickness boards...
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5605216 |
Board turning apparatus
A board turning apparatus is provided with a conveyor for transporting a board through an inspection station; the inspection station includes an array of photocells located below the conveyor and...
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5560409 |
Backsawn timber production from radially sawn wedges
A method of resawing elongated radially sawn segments of timber so that bsawn boards are produced. Said wedges are sawn with the desired angle between the radial faces and are resawn so that the...
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5503202 |
Radius curve log sawing apparatus and method
A sawing process and apparatus cuts a log longitudinally along a radius curve to produce boards. The sawing apparatus includes a continuous flexible band saw blade, provided with teeth at one or...
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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...
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5441092 |
Method and apparatus for the production of heart centered, substantially square timbers
A method and apparatus for the efficient production of heart wood centered small dimensioned, square timber comprising a log feed system for the storage and dispensing of individual logs to the...
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5435361 |
Method and apparatus for around the curve sawing
A method and apparatus for around the curve sawing is shown and described wherein a group of roller assemblies are positionable along a selected semicircular path having a point of tangency...
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5429161 |
Apparatus for optimum positioning of cants for resawing
The disclosure herein describes an apparatus for the measuring and positioning of cants and their subsequent feeding to a sawing station. A feed table is used for conveying the cants towards the...
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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...
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5400842 |
Curved sawing and cutting of two-faced cants
A system used in combination with a cant sawing or cutting unit, the function of which is to guide two faced-cants through the cut along the line of their natural curvature. The system comprises,...
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5396938 |
Apparatus and method for producing surfaced lumber
Apparatus and method for, in one continuous operation, receiving a slab sawn from a log, sensing the thickness of the slab and setting the apparatus to plane its upper and lower surfaces to produce...
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