Patents
Sitemap › B27 - Working or preserving wood or similar material; Nailing or stapling machines in general › B27L - Removing bark or vestiges of branches; Splitting wood; Manufacture of veneer, wooden sticks, wood shavings, wood fibres or wood powder › B27L 1 - Debarking or removing vestiges of branches from trees or logs; Machines therefor
Patents for B27L 1 - Debarking or removing vestiges of branches from trees or logs; Machines therefor (1,111)
08/1991
08/21/1991CN2083105U Novel ring-type bark-removing machine
07/1991
07/31/1991CN2081789U Portable vibrating barker
07/16/1991CA1286329C Feeding device for producing a longitudinally directed relative movement between a tree stem and the device proper
07/08/1991CA2019591A1 Side loading debarking/delimbing apparatus and method
06/1991
06/18/1991CA1284928C Feed roll tensioning device
06/12/1991EP0431702A1 Steam vessel with expansion valve
06/11/1991US5022446 Compression log debarking apparatus
06/05/1991CA2031171A1 Steam vessel with expansion valve
05/1991
05/28/1991US5019123 Pulp log discharge system for a debarking drum
05/22/1991EP0427727A1 Driving device.
05/14/1991WO1991007260A1 Apparatus for guiding a piece of timber to a machine tool
04/1991
04/24/1991CN1050839A Slave bark-stripping machine for small diameter log and branch
04/09/1991US5005621 Method, system, and apparatus for debarking roundwood
03/1991
03/27/1991CN1012146B Log pretreatment and removing bark method and equipment
03/05/1991US4996773 Portable
02/1991
02/27/1991EP0414661A2 Milling cutter for woodworking
02/05/1991US4989655 Side loading debarking/delimbing apparatus and method
01/1991
01/17/1991DE3923196A1 Tree bark stripping machine - has adjustable cylinder trimmer and rotary cutter with two sets of feeder rollers and bark ejector
11/1990
11/27/1990US4972890 Log feed roller mechanism
10/1990
10/16/1990CA1275227C Tool tensioning device for debarking machine
08/1990
08/29/1990CN2061115U Lever following mechanism of ring type barker
08/23/1990DE3905217A1 Feed roll for an apparatus for working tree trunks
08/22/1990EP0383679A1 Apparatus for removing the surface layers of cylindrically shaped vegetables
08/22/1990CN1009261B Means for rotating a tree trunk
08/14/1990US4947906 Debarker
07/1990
07/31/1990US4944338 Barking method, and an apparatus for utilization of the method
07/24/1990CA1271951A1 Flitch washer
06/1990
06/06/1990CN2057888U Trunk stripper
06/02/1990CA2004516A1 Method and apparatus for debarking logs
05/1990
05/29/1990CA1269591A1 Method of and apparatus for feeding roundwood into a rotating barking drum
05/15/1990US4924571 Arm controlled power cutter
05/08/1990US4922978 Method of mending defective wood plate
05/08/1990US4922976 Apparatus for removing branches from and for crosscutting treetrunks
04/1990
04/25/1990EP0209534B1 Tree handling apparatus
04/05/1990WO1990003254A1 Device for branch trimming of tree
03/1990
03/29/1990DE3931724A1 Drehvorrichtung fuer holz, insbesondere staemme Rotation device for wood, in particular strains
03/21/1990EP0218584B1 Feeder apparatus for timber harvesters
03/15/1990DE3928550A1 Timber barking drum - lined with specified materials and lifting bars to reduce timber loss and noise
03/07/1990EP0244403B1 Bundle limber
02/1990
02/27/1990US4903744 Side loading debarking/delimbing apparatus and method
02/21/1990CN1006871B Method to mend defects on xylon slabs
02/06/1990US4898221 Method for limbing, barking and chipping, and a device for utilization of the method
01/1990
01/23/1990US4895196 Apparatus for removing branches from treetrunks
12/1989
12/26/1989US4889169 Combination log debarker-chipper
12/20/1989CN2049590U Bark remover for freezing log
12/13/1989EP0346310A2 Tool for rotation ring type barking machines
12/13/1989EP0346309A2 Tool for rotation ring type barking machines
11/1989
11/28/1989US4883159 Feeder apparatus for timber harvesters
11/28/1989CA1302846B Method and Apparatus for Debarking Logs
11/28/1989CA1263292A1 Method of mending defective wood plate
11/28/1989CA1263291A1 Method and apparatus for debarking logs
11/21/1989US4881584 Infeed conveyor for saw
11/09/1989DE3813961A1 Device for debarking and/or debranching trees which are still standing
11/09/1989DE3813959A1 Device for removing the bark or the branches of trees
10/1989
10/24/1989US4875511 Apparatus for removing bark from logs
10/24/1989CA1262431A1 Tree handling apparatus
10/19/1989WO1989009685A1 Driving device
10/17/1989US4874003 Flitch washer
10/10/1989US4872495 Tool for rotation ring type barking machines
10/03/1989CA1262107A1 Means for rotating tree trunks
09/1989
09/26/1989CA1261714A1 Barking machine
09/26/1989CA1261237A1 Forwardly-projecting debarking tool barker arm
09/12/1989US4865095 Tool for rotation ring type barking machines
08/1989
08/23/1989EP0328605A1 Feed roller for a device for processing tree trunks
08/01/1989US4852622 Debarking means for rotation ring type barking machines
07/1989
07/04/1989US4844201 Recirculating oil lubrication system for rotary ring log barkers
06/1989
06/07/1989EP0319499A1 Debarking means for rotation ring type barking machines
06/06/1989CA1255190A1 Log debarking device
05/1989
05/30/1989US4834156 Tree stem feeding device for timber harvesters
05/24/1989CN1033023A Log pretreatment and removing bark method and equipment
05/17/1989EP0316256A2 Method and apparatus for pretreating and debarking logs
05/16/1989US4830072 Air seal for rotary log debarker
04/1989
04/18/1989US4821754 Flitch washer
03/1989
03/14/1989CA1251118A1 Debarking machine with infeed rolls having helical offset log feeder blades
03/09/1989WO1989001855A1 Feeding wheel
03/09/1989WO1989001854A1 Feed roller for a device for processing tree trunks
03/01/1989CN1003433B Peeling method and the barber for curved log and complex surface
02/1989
02/28/1989CA1250510A1 Woodroom effluent treatment system
02/21/1989US4805678 Method and apparatus for pretreating and debarking logs
02/21/1989US4805677 Apparatus for removing bark from cut logs
02/09/1989DE3730057C1 Vorschubwalze fuer eine Vorrichtung zum Bearbeiten von Baumstaemmen Feed roller for a device for processing tree trunks
02/01/1989EP0301011A1 Method for limbing, barking and chipping, and a device for utilization of the method.
02/01/1989EP0301010A1 Apparatus for debarking.
01/1989
01/24/1989CA1249206A1 Method and apparatus for flail debarking
01/24/1989CA1249205A1 Flail member for debarking trees
01/17/1989CA1248848A1 Rotation ring barker
12/1988
12/20/1988CA1246965A1 Ultra high pressure water log debarking
12/06/1988CA1245950A1 Method for closing the gate of a barking drum and gate of a barking drum
11/1988
11/29/1988US4787431 For debarking or limb removal from trees
11/15/1988US4784197 Barking drum and method of heating same
11/15/1988US4784196 Method and apparatus for debarking logs
10/1988
10/04/1988US4774987 Apparatus for feeding roundwood into a rotating barking drum
08/1988
08/18/1988DE3801769A1 Device for removing the bark from trees
08/16/1988CA1240590A1 Bundle limber
08/10/1988CN87216158U Log sheller
07/1988
07/13/1988EP0141831B1 Plant for bark-peeling tree-trunks or the like
06/1988
06/28/1988US4753338 Feeder apparatus for timber harvesters
05/1988
05/31/1988CA1237300A1 Apparatus for rounding the circumference of a log
05/10/1988CA1236270A1 Procedure for affixing bearing hoops on the outer surface of a large diameter drum
04/1988
04/19/1988US4738292 Tree delimbing apparatus
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