GB971592A - - Google Patents
Info
- Publication number
- GB971592A GB971592A GB971592DA GB971592A GB 971592 A GB971592 A GB 971592A GB 971592D A GB971592D A GB 971592DA GB 971592 A GB971592 A GB 971592A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glue
- sheets
- veneer
- water
- content
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B27L5/00—Manufacture of veneer ; Preparatory processing therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
971,592. Making wood veneers. JOHN WRIGHT & SONS (VENEERS) Ltd. April 10, 1961 [Feb. 8, 1961], No. 12831/61. Heading B5L. Wood veneer is produced by cutting transversely a laminated stack of veneer sheets glued together under pressure, the glue used being a heat-setting glue with a content of free water which is taken up by the sheets in order to cause softening thereof during hardening of the glue and ensure that the moisture content of the laminated block is high enough to permit the transfer completely through the block of externally-applied heat for setting the glue and low enough to allow the glue securely to bond the laminations together. The amount of water is found by weighing the veneer sheets, subtracting the oven dry weight of an equal volume of veneer of the same species to give the actual water of the sheets, which should preferably be about 4 to 8% by weight, and calculating the amount necessary to raise the final water content of the sheets to between 10 and 25%, preferably about 17¢%. The stack is compacted under a pressure of 100- 150 lb. per sq. inch and is heated to a temperature of from 165‹ to 195‹ F. either by saturated steam or hot water or by highfrequency heating with a power loading between 0.0340 and 0.0420 kilowatts per minute per cubic foot. A table of weights of various woods at moisture contents of 10%, 17¢% and 25% and in oven-dry condition is given and also a formula for the glue. Specification 835,075 is referred to.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1217052XA | 1961-02-08 | 1961-02-08 | |
US87777A US3205111A (en) | 1961-02-08 | 1961-02-08 | Method of producing veneer |
Publications (1)
Publication Number | Publication Date |
---|---|
GB971592A true GB971592A (en) |
Family
ID=26777383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB971592D Active GB971592A (en) | 1961-02-08 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1217052B (en) |
GB (1) | GB971592A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986001142A1 (en) * | 1984-08-17 | 1986-02-27 | Kallenmäki Oy | A method of fixing a wooden sheet of veneer to a supporting lamina |
WO2012019247A1 (en) * | 2010-08-13 | 2012-02-16 | Bfp Enterprises Pvt. Ltd. | Producing a veneer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB861411A (en) * | 1958-12-06 |
-
0
- GB GB971592D patent/GB971592A/en active Active
-
1962
- 1962-02-07 DE DEW31627A patent/DE1217052B/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986001142A1 (en) * | 1984-08-17 | 1986-02-27 | Kallenmäki Oy | A method of fixing a wooden sheet of veneer to a supporting lamina |
WO2012019247A1 (en) * | 2010-08-13 | 2012-02-16 | Bfp Enterprises Pvt. Ltd. | Producing a veneer |
Also Published As
Publication number | Publication date |
---|---|
DE1217052B (en) | 1966-05-18 |
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