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Class 144/208.9 - Drum or tank


Subclass of Class 144 - Woodworking
Definition: Machine including means for cutting the bark from a workpiece
No. of patents: 69
Last issue date: 04/26/2011


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NumberTitleIssue Date
7931056Debarking apparatus
A debarking apparatus includes a cutting body having a cutting surface and a first projection configured to cooperate with a fastener. The debarking apparatus also includes a holding body for removably holding the cutting body, the holding body having a trailing sur...
04/26/2011
7198217Apparatus for tumbling concrete products
A tumbler for tumbling concrete products comprises a rotatable cylindrical drum having an input end that is slightly elevated relative to an output end. Tire retread strips are placed side-by-side on the radially inner surface of the drum and extend along its length...
04/03/2007
7140123Roller and clothes drying apparatus provided with the same
A roller capable of easily absorbing impact transmitted thereto while maintaining a desired level of abrasion resistance, and a clothes drying apparatus provided with the roller. The roller is provided with an impact absorption enhancer capable of causing the roller...
11/28/2006
6976515Modular drive wheel for log processors, delimbers and single grip harvesters
The modular drive wheel for log processors includes a tubular midsection sandwiched between a pair of annular rings mounted concentrically on opposite ends of the midsection. The midsection has a resilient outer surface extending around the midsection. The pair of a...
12/20/2005
6941988Batch rotary debarker
A batch debarking apparatus includes a rectangular bin and a plurality of abrader rotors placed across the bin. Log batches are debarked within the bin and discharged laterally through one sidewall of the apparatus. ...
09/13/2005
6935143Washing-machine laundry drum
A laundry drum is configured for high-speed spinning of damp linen. The drum has a rotating drum shell, which is curved from a thin-walled material strip to form a cylinder. The parallel end edges of the material strip contact to form a joint line. So that the drum ...
08/30/2005
6913215Method and apparatus for tumbling concrete products
A tumbler for tumbling concrete products comprises a rotatable cylindrical drum having an input end that is slightly elevated relative to an output end. Tire retread strips are placed side-by-side on the radially inner surface of the drum and extend along its length...
07/05/2005
6851461Apparatus for debarking logs with reversible rotation for varying the rate of debarking
Apparatus for debarking logs including a drum mounted for rotation about an axis to define an inner drum surface. Debarking apparatus is provided on the inner surface configurable to debark logs within the drum at a first rate on rotation of the drum in a first dire...
02/08/2005
6752185Log debarker with covered bark slots
A debarking drum has a cylindrical steel shell mounted for rotation about the drum axis. The drum receives logs fed into one end and is rotated such that the tumbling action of the logs against one another within the drum causes the bark to be removed, and the debar...
06/22/2004
6651709Retractable debarking apparatus
A retractable debarking block for a debarker having an enclosure to receive logs for debarking in order to vary the aggressiveness of the debarking process. The block member has a debarking surface with projecting teeth and is positionable within the encl...
11/25/2003
6619345Arrangement for a debarking shaft
The invention relates to a debarking shaft arrangement for a debarking machine (1). A number of rotatable debarking shafts (3) extending parallel to the advancing direction of the logs (2) are provided with a number of teeth (4) extending beyond the circu...
09/16/2003
6619346Debarking machine
The invention relates to a debarking machine for the debarking of logs and for the expulsion of at least some of the removed bark from a wood flow passing through the debarking machine. The debarking machine having a number of rotating debarking shafts ex...
09/16/2003
6615884Debarking shaft for a debarking machine
The invention relates to a debarking shaft (3) for a debarking machine (1). The debarking shaft (3) has its teeth (4) designed as a number of annular tooth rims (20), each of said tooth rims comprising two or more releasably connected elements (21, 22), h...
09/09/2003
6588467Arrangement in the discharge end of a debarking machine
The invention relates to an arrangement at the discharge end of a debarking machine (12) for the preliminary debarking of logs (2) prior to a separately performed final barking and for the expulsion of at least some of the removed barks from a wood flow p...
07/08/2003
6578609Apparatus for debarking logs with movable debarking surface for varying rate of debarking
An apparatus for debarking logs comprising a drum rotatable about an axis and having an inner surface and outer surface with at least one movable debarking surface adjacent the inner surface of the drum to debark logs that come into contact with the movab...
06/17/2003
6546979Method for controlling a drum debarker
The present invention relates to a method controlling a drum debarker by way of using the drum weighing information in the control of the drum debarking process. The method comprises the steps of determining the weight of the contents in the drum determining t...
04/15/2003
6516843Method for defrosting logs and a defrosting apparatus
The present invention concerns a method and an apparatus for defrosting frozen wood prior to debarking. The defrosting method of logs of the invention is based on bringing heat zone-specifically to logs in transfer motion on a conveyor according to their ...
02/11/2003
6360796Wood working machine
A wood working machine for wood like pulp wood, saw timber or similar elongated wood parts comprises a trough designed like a tunnel. The trough has a feeding in end and a feeding out end for the wood. Rotors, each provided with helical threads on its jac...
03/26/2002
6009921Highlift antiwear attachment for angle debarking drum lifters
An improved lifter and a method of repairing a damaged lifter employed in a rotary drum debarker of the type which removes the bark of logs by introducing logs into a rotating drum wherein the the logs tumble and flail against one another so that the bark...
01/04/2000
5947174Drum debarker outfeed spool
An apparatus for debarking roundwood is provided which has a rotary drum debarker having conveyor means to move roundwood into and through the drum debarker, and, furthermore, has a rotable outfeed spool located at the outlet of the drum debarker to conta...
09/07/1999
5896901Debarking drum
A rotatable debarking drum for removing the bark from logs comprises a cylindrical member and a plurality of axially extending rows of debarking tools circumferentially distributed on an inner circumference of the cylindrical member. Each row of debarking...
04/27/1999
5873398Debarking device
A debarking device includes a drum having a radically outer peripheral surface, the drum being arranged to be rotated about a longitudinal axis. Two bogies, spaced from one another in the circumferential direction of said outer peripheral surface of said ...
02/23/1999
5868186Debarking wood without introducing contaminants into the wood
This invention relates to a wood chip recovery system which removes bark from roundwood or wood chips. It is desirable for such structures of this type to recover the wood chips from the bark without introducing contaminants, such as metal ions like iron,...
02/09/1999
5839490Rubber lining for corrugated debarking drum
A liner for a corrugated debarking drum having a continuously undulating outer wall with an interior surface including an axially extending concave portion includes an elastomeric compressible body having an inner surface adapted to be positioned over the...
11/24/1998
5699843Multi-drum barking machine
A barking machine comprises a container for accommodating logs longitudinally therein, this container having a longitudinal side wall with a lower end, and a bottom wall including a first longitudinal opening adjacent to the lower end of the first side wa...
12/23/1997
5673865Waste debarker
A waste debarker 10 comprises a housing 12 in which is mounted a rotatable first cutting drum 14 and a rotatable second cutting drum 16 arranged in a longitudinally spaced relationship with respect to the first drum 14. The first drum 14 has a plurality o...
10/07/1997
5669428Conveyor system for log debarking and chipping
The present invention relates to a conveyor system for log debarking and chipping. Specifically, a conveyor system for log debarking and chipping is provided that, in accordance with the present invention, conveys tree-length logs to and into a debarking ...
09/23/1997
5647418Debarking tooth of a debarking machine
A debarking tooth of a debarking machine comprises a platform secured to an outer surface of a rotary member rotatably arranged in a wood container; a blade tip plate detachably attached to the platform; an arbitrary number of engage projections formed on...
07/15/1997
5630453Debarking machine
A debarking machine having a wood-infeeding side for feeding wood to the debarking machine and a wood-outfeeding side for outputting wood from the debarking machine, includes a line of first to n-th rotary members coupled in series, or a plurality of line...
05/20/1997
5505240Method and apparatus for the treatment of logs
An apparatus and method for the hot water treatment of debarked logs to eliminate infestation and fungi in the logs is presented. The present invention utilizes a water tank and a heat generation source to raise the temperature of the center of the logs a...
04/09/1996
5394912Wood fibre debris processor
This invention pertains to a novel wood fibre debris processor. More particularly, this invention relates to an apparatus which can simultaneously segregate or classify and debark in a singular process wood fibre debris which results from storage and hand...
03/07/1995
5337811Debarker infeed conveyor
An infeed conveyor for feeding wood of a variety of types and lengths to a debarking drum which can be adjusted in height so as to optimize the infeed conditions as desired. The conveying apparatus is adapted to convey tree-length logs to a debarking drum...
08/16/1994
5263522Apparatus for removing bark from whole logs
An apparatus for removing the bark of whole, or tree-length, logs has an open frame with a feed end, a discharge end, a base and two generally sloping sides, and a plurality of spaced-apart conveyor assemblies positioned along one side of the frame, each ...
11/23/1993
5247978Procedure and apparatus for controlling a barking process
Procedure and apparatus for controlling the barking process in a barking drum, which procedure uses measuring devices (13a,13b,14a,14b) placed in conjunction with the barking drum (1) to measure the weight of the drum. The measurement signals obtained fro...
09/28/1993
5241999Infeed chute with wings for dual cranes
An infeed chute for a debarking drum is provided which is adapted to accommodate infeed from two log cranes simultaneously or nearly simultaneously. The chute has a central feed plate of relatively small width and trough plates of relatively great width a...
09/07/1993
5197524Apparatus and method for feeding steam into the hollow longitudinal staves of a debarking drum
A steam distributing valve in contact with the log feed end of a rotatable debarking drum is supported in such a manner that it is capable of moving slightly parallel to the drum axis in response to axial displacement of the drum. Full contact between the...
03/30/1993
5115845Portable stump remover
A portable, self-contained stump remover, that may be hand held by the operator, has an engine driven cutting device with chisel elements which rotate through a circular path. The chisel elements may be laterally offset, and the stump remover may also hav...
05/26/1992
5094281Debarking/delimbing apparatus
Debarking/delimbing apparatus comprises at least one spool device mountable and rotatably driven about an axis and capable of removing bark from tree parts moved lengthwise across its axis. Each spool device has two end members rotatable about the axis an...
03/10/1992
5063981Method and means of conveyance of solid matter in pieces or particles
Method and means of conveyance for solid material, f.ex. tree trunks (6) or bark, whereby the solid material is conveyed with parallel, oblong transfer elements (4) moving back and forth in transfer direction. A larger part of the surface of the transfer ...
11/12/1991
5044412Method and apparatus for debarking logs
Apparatus for debarking logs comprising a generally horizontal rotary drum debarker having an inlet end, power drive device for continuously rotating the drum of the debarker generally about a horizontal axis, generally horizontal main conveyor element fo...
09/03/1991
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