Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7556071 | Debarking mechanism A debarking mechanism including a number of rotatable debarking shafts extending parallel to an advancing direction (A) of the trees to be fed therethrough, which are provided with a number of teeth extending beyond the circumferential surface of the shaft and the d... | 07/07/2009 |
| 7431060 | Automatic fiber yield system and method The present invention is a system and method for the automatic control of a debarking system for use in a chip mill, paper mill, or the like. The present invention comprises one or more programmable logic controllers (PLCs) that receive input from ultrasonic sensors... | 10/07/2008 |
| 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 |
| 7264029 | Flail pan for delimbing and debarking apparatus A flail pan for use with a delimbing and debarking apparatus. The flail pan has a first section which extends from the first side opening of the apparatus beneath the first flail and a center section which is spaced vertically and horizontally between the first and ... | 09/04/2007 |
| 7153203 | Apparatus and method for portioning using automatic workpiece conveyance speed control A portioning apparatus (10) includes a powered conveyor (12) for carrying workpieces (WP) past a scanning station (14) and past a cutting station (20). Information from the scanning station pertaining to physical parameters of the workpie... | 12/26/2006 |
| 7128109 | Essential oil reclaim apparatus, and method of use An essential oil reclaim method for use with a corresponding apparatus, comprising the following steps: the apparatus grabs the tree parts, the tree tops or the tree limbs, and shakes them with rotating drums provided with chains (under whiplash effect); the needles... | 10/31/2006 |
| 6971423 | Method and apparatus for singulating, debarking, scanning and automatically sawing and sorting logs into lengths A log handling and cutting system which cuts logs into lengths, and allows for maximum use of fiber. The system includes equipment for singulating the logs, optimally removing the bark from the logs, scanning the true log image, cutting the logs to length, and sorti... | 12/06/2005 |
| 6938625 | Load sensing system A load sensing system for maximizing the cleaning efficiency of particulate raw materials such as sand, gravel, rock, ores, etc. in a log washer by sensing the weight of the aggregate in the log washer tank and adjusting the angle of inclination of the tank for clea... | 09/06/2005 |
| 6539993 | Method and apparatus for singulating, debarking, scanning and automatically sawing and sorting logs into lengths A log handling and cutting system which cuts logs into lengths, and allows for maximum use of fiber. The system includes equipment for singulating the logs, optimally removing the bark from the logs, scanning the true log image, cutting the logs to length... | 04/01/2003 |
| 6173748 | Method of reducing noise in a barking plant and a barking drum, chipper and conveying line A method of reducing noise in a barking plant; a barking drum, a chipper and a conveyor between these. The penetration of noise through conveying openings of a partly or wholly covered conveyor (3) for receiving logs from a barking drum (1), and/or a part... | 01/16/2001 |
| 5605184 | Apparatus for debarking logs individually The invention relates to an apparatus for debarking logs individually with the aid of high-pressure water jets. The spray nozzles are intended to spray water in focused jets against the log at the same time as the log moves past the spray nozzles. The inv... | 02/25/1997 |
| 5538056 | Log conditioning before mechanical debarking High powered lasers are used to score the bark on logs before they are mechanically debarked. Typical of the lasers employed are multi-kilowatt CO2 industrial lasers. A high powered laser beam is brought to a focus just above the surface of the... | 07/23/1996 |
| 5518921 | Biological control for wood products and debarking Fungi which grow white/colorless and reduce pitch are used to protect structural wood before or after cutting from logs against color staining by staining fungi. The fungus Phanerochaete gigantea is also useful to facilitate debarking.... | 05/21/1996 |
| 5505240 | Method 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 |
| 5460212 | Debarking tool with controlled log exiting An arcuate debarking tool for ring rotor debarking machines used in timber processing. The tool comprises an elongated, arcuate body having an outer end that removably mounts a cutting element, and an inner arbored end adapted to be coupled through a mand... | 10/24/1995 |
| 5335790 | Method and device for separating pieces of wood A method and apparatus for separating pieces of wood into different qualities in a wood sorting process is characterized in that the brightness as well as the texture of the surface of the wood are measured, and the pieces of wood are separated into diffe... | 08/09/1994 |
| 5299400 | Converted log structural products and method Converted log structural products are produced from conventionally unusable or marginally useful sections of logs transversely cut into suitable lengths and then cut longitudinally by perpendicular cuts into log parts of either right-angled sector or righ... | 04/05/1994 |
| 5297601 | Triple head high speed log debarker A log debarker for debarking a lengthwise-moving log includes a pair of debarking subassemblies each including a pair of cylindrically concave, rotating cutter elements positioned angularly asymmetrically toward one side of the log and away from an opposi... | 03/29/1994 |
| 5184656 | Method of cutting frond stubs from a date palm A method of cutting frond stubs of a date palm tree to produce a palm bark surface free of pockets where water can collect and which reduces the possibility of pathogen intrusion and proliferation is described using a cutting tool with a sharp straight ed... | 02/09/1993 |
| 5115609 | Method of converting logs and resultant product The method of converting logs involves cutting each log longitudinally and diametrically at right angles into equal quarter-log segments, the rearranging the quarter-logs so that the arcuate surfaces of the segments face inwardly toward each other, while ... | 05/26/1992 |
| 5092380 | Method of cutting fronds or frond stubs from a date palm tree A method of cutting fronds and frond stubs of a date palm tree is described using a sharp, curved cutting tool with a rounded cutting edge which enables an attractive tree bark surface to be created.... | 03/03/1992 |
| 5070920 | Debarker knife assembly A debarker knife assembly is disclosed including a plurality of disks rotatably and drivingly carried on a shaft. The disks have cutting teeth on their circumferences and are co-rotated on the shaft to remove the bark from a log as the log advances and ro... | 12/10/1991 |
| 5022446 | Compression log debarking apparatus Apparatus for debarking a log using the compression debarking technique includes rollers which apply radial pressure to the log to separate the bark from the wood of the log. Pairs of rollers mounted in a bogie-like arrangement on the end of respective ar... | 06/11/1991 |
| 4898221 | Method for limbing, barking and chipping, and a device for utilization of the method A method and a mobile unit for barking and/or limbing and chipping as a continuous operation. A log is given a linear displacement movement by means of a feed unit (6) including two in relation to each other displaceable feed rollers in direction towards ... | 02/06/1990 |
| 4865095 | Tool for rotation ring type barking machines A tool for rotation ring type barking machines comprises a curved swinging arm which is adapted to carry at a first, free end a cutting edge and which is detachably connected at its opposite end by means of a screw connection with a shaft rotatably mounte... | 09/12/1989 |
| 4690187 | Method and apparatus for flail debarking Apparatus for flail debarking a plurality of logs simultaneously. The logs are fed substantially side-by-side to a flail debarking unit having sets of flailing units disposed above and below the feeding plane of the logs. A size reducing means is disposed... | 09/01/1987 |
| 4673013 | Woodroom effluent treatment system Effluent treatment for the woodrooms of wood processing industries, e.g. paper and pulp mills, wherein the water separated from the bark and containing fibres is passed back onto an existing conveyor of wet bark, provided with a perforated bottom, so that... | 06/16/1987 |
| 4657056 | Log debarking tool assembly A cutting tool assembly for a log debarker. A cutting tool is provided having an elongated leading cutting edge and a key member. The key member fits into the load carrying slot portion of the head of the tool shaft, and the tool is then secured to the to... | 04/14/1987 |
| 4653559 | Forwardly-projecting debarking tool barker arm The scraping edge of a debarking tool carried by an arm of a rotary ring barker is located lengthwise so that at least the major portion of the length of such scraping edge is located ahead of the longitudinally central portion of the leading face of the ... | 03/31/1987 |
| 4653561 | Log debarking machine The disclosure herein describes improvements to a log debarking machine which consists in allowing the mounting of six debarking tools on the machine rotor which has a central log-passing opening of eighteen inches in diameter. The rotor is arranged with ... | 03/31/1987 |
| 4643236 | Feed roll tensioning device A log debraking machine including a rotor having a central opening and a plurality of debarking tools, a rotating means for rotating said rotor about its longitudinal axis, and a feeding means including a plurality of log gripping rollers positioned for r... | 02/17/1987 |
| 4640327 | Ultra high pressure water log debarking A method and apparatus for hydraulically debarking logs is disclosed, in which water at a substantially constant, ultra high pressure of, say, at least 25,000 KPa, is caused to impinge upon, generally radially with respect to, the surface of a log to be d... | 02/03/1987 |
| 4609021 | Log debarker Barking arrangement for logs having nozzles (55) through which water at high pressure is sprayed onto the logs. Transport arrangements are provided to carry the log along a track (16) through the barking arrangement. The arrangement comprises a first asse... | 09/02/1986 |
| 4609020 | Log debarker tensioning system A log debarker having a frame, a stator supported by the frame, a rotor journaled in the stator for rotation about a longitudinal axis of the rotor, a rotating mechanism for rotating the rotor about the longitudinal axis, and a plurality of debarking tool... | 09/02/1986 |
| 4590979 | Device for bark-peeling tree trunks or the like A tree trunk debarking apparatus includes two straight rails, a supporting carriage which is movable along the rails and which loosely supports the leading end of the tree trunk, a drive carriage which is movable along the rails and which not only support... | 05/27/1986 |
| 4582106 | Apparatus for separation of bark from timber An apparatus for separating bark, such as birchbark, from timber during conveyance of the timber has a conveyor for advancing logs leaving a stripping drum. To achieve an effective separation of bark, rollers conveying the logs form a bark separating unit... | 04/15/1986 |
| 4566513 | Arrangements in barking machines A barking machine having a hollow rotor (1) through which logs to be barked are fed is provided with arms (6) which are pivotally mounted on the rotor (1) and which carry barking tools (5). Spring means are used for bringing the barking tools into abutmen... | 01/28/1986 |
| 4545503 | Gate for barking drum and method of closing Method for closing the gate of a rotary barking drum intended for barking of wood, and the gate of a barking drum. The gate is rotated so that it is shifted so as to close the discharge opening at the end of the barking drum partly or completely. During t... | 10/08/1985 |
| 4467848 | Machine for cutting down logs to a desired diameter A log shaping machine for cutting logs to a desired diameter and for cutting off root outgrowths, has a cutting ring with inwardly pointing tools which rotate with the ring. For the purpose of changing the effective cutting diameter of the tools the ring ... | 08/28/1984 |
| 4452288 | Powered tree chipper or bark hack An improved power bark hack including a motor of any suitable type which drives one end of an elongated connecting rod mounted in a co-extensive housing which also serves as the tool handle. The cutter is mounted at the free end of the connecting rod whic... | 06/05/1984 |
