CN2445879Y - Bamboo plywood - Google Patents
Bamboo plywood Download PDFInfo
- Publication number
- CN2445879Y CN2445879Y CN 00225501 CN00225501U CN2445879Y CN 2445879 Y CN2445879 Y CN 2445879Y CN 00225501 CN00225501 CN 00225501 CN 00225501 U CN00225501 U CN 00225501U CN 2445879 Y CN2445879 Y CN 2445879Y
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- bamboo
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- slightd
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Abstract
The utility model belongs to an artificial veneer, which is composed of a surface layer, a core layer and a bottom layer. Bamboo strip blocks of each layer are cut into bamboo strips with uniform thickness along a radical direction to be flatly paved into an integral block by Mao bamboo or thick wall bamboo in the core layer. The utility model solves the problem that Mao bamboo requirements for producing the bamboo plywood are high. Bamboo utilizing rate is increased. Meanwhile, the tolerance consistency of serial production is guaranteed. The utility model can realize mechanization and factorial production. Bamboo skins and tabasheer are not on a gluing surface. Thus the mechanical strength is high.
Description
The utility model relates to artificial bamboo plywood, particularly the thin bamboo strips used for weaving glued board.
Popular in the market is bamboo mat plywood, and bamboo along the tangential thin bamboo strips used for weaving that is split into, is formed sheet material through braiding, gluing or impregnation, hot-press gluing.Zhongnan Forestry Inst. improved this product afterwards, added bond paper in the assembly operation in the bamboo mat plywood production process, tangential thin bamboo strips used for weaving is all used in above-mentioned production, after bamboo wood can only cut open into the bamboo chip of 10~25 mm wides, and the tangential again thin bamboo strip of splitting, must eliminate surf green, tabasheer, this just is difficult to utilize irregular bamboo chip, makes the bamboo fibre of larger proportion and all bamboo tails not to utilize, and causes utilization rate of bamboo that 30%-50% is only arranged, to the bamboo wood waste greatly, production cost is also high.In order to improve the utilization rate of bamboo wood, national patent CN2084867U discloses, and a kind of " bamboo wood plywood laminate " is to use the tabasheer thin bamboo strip, the small diameter bamboo or the bamboo tip, hot-press gluing forms this plate surface layer is arranged branch as raw material, sandwich layer and bottom, the thin bamboo strip of adjacent two layers is pressed bamboo fibre direction arranged vertical, tabasheer thin bamboo strip with one deck inside is superimposed along the machine direction dislocation, the sandwich layer number of plate is that odd number is made corresponding three-ply board, five-layer plywood etc., the utilization rate of this structure bamboo wood is higher relatively, but use not of uniform size the causing of assorted bamboo fibre bar to cause bamboo fibre to be rolled over into uneven strip to make that the assembly thickness tolerance of bamboo plywood is big, surf green, tabasheer causes bonding strength low at glue and surface, and can't guarantee mechanization, the coherence request to the product fiber quality is produced in batch production.
The purpose of this utility model provides a kind of bamboo plywood, should be able to reach thickness tolerance unanimity, and fiber quality is even, the utilization rate of bamboo height of mechanical strength, the requirement that production cost reduces.
In order to achieve the above object, the utility model is a kind of bamboo plywood, form by surface layer, sandwich layer and primer gummed, surface layer and bottom can be veneer, bamboo mat, tectorial paper, sandwich layer is the iterative structure of a multilayer thin bamboo strips used for weaving piece, it is vertically superimposed by the bamboo fibre direction that the bamboo of every adjacent two layers is slightd the sheet piece, is to slight piece with the bamboo that the bamboo that bamboo or heavy wall bamboo radially are cut into consistency of thickness is slightd the back tiling and become a monoblock to form with one deck.
Because the cut direction of bamboo is to divide equally along the radially equal thickness of bamboo, product thickness consistent there has been assurance, therefore the bamboo that radially cuts out is slightd, and is not influenced because of the thickness of bamboo wood, no matter bamboo footpath size how, all do not spend surf green, tabasheer, abandon the bamboo tail, utilization rate of bamboo can reach 70~90%, reduces the cost of thin bamboo strips used for weaving processing glued board, can also realize mechanization, batch production production, and surf green, tabasheer be not at cemented surface, so the mechanical strength height.
The utility model is elaborated with concrete embodiment below in conjunction with accompanying drawing:
Accompanying drawing 1 is chunk figure of the present utility model;
Accompanying drawing 2 is the structure chart of sandwich layer;
Accompanying drawing 3 is the A portion enlarged drawing of sandwich layer;
The bottom 3 of bamboo plywood, surface layer 1 are tectorial papers in the present embodiment, and sandwich layer 2 is that a multilayer bamboo is slightd the superimposed of piece.Every adjacent two layers bamboo is slightd piece, and to slight machine direction by bamboo vertically superimposed, to guarantee whole mechanical strength, in the sandwich layer bamboo to slight piece 2 be earlier with bamboo or heavy wall bamboo length section material on request, after trisection is cut into wide naturally thick bamboo sheet bar open, remove interior acromere, radially be cut into the bamboo that has a small amount of bamboo fibre fibre to connect between uniform thickness and sheet along the thick bamboo sheet bar and slight, these bamboos are slightd played the side tiling again, roll extrusion becomes bamboo and slights piece 2.Slighing adjacent bamboo in the piece enlarged drawing in the sandwich layer bamboo slights the surf green of sheet 4 and still keeps bamboo fibre 5 in the middle of relative with tabasheer.
Claims (2)
1, a kind of bamboo plywood, form by surface layer, sandwich layer and primer gummed, sandwich layer is the iterative structure that a multilayer bamboo is slightd piece, the bamboo of every adjacent two layers is slightd piece by bamboo fibre direction arranged vertical, it is characterized in that: with one deck is to slight piece with the bamboo that the bamboo that bamboo wood radially is cut into consistency of thickness is slightd the back tiling and become a monoblock to form.
2, a kind of bamboo plywood according to claim 1 is characterized in that: what each bamboo was slightd piece has that a small amount of bamboo fibre is fine mutually to be connected between radially bamboo is slightd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00225501 CN2445879Y (en) | 2000-08-24 | 2000-08-24 | Bamboo plywood |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00225501 CN2445879Y (en) | 2000-08-24 | 2000-08-24 | Bamboo plywood |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2445879Y true CN2445879Y (en) | 2001-09-05 |
Family
ID=33589591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 00225501 Expired - Fee Related CN2445879Y (en) | 2000-08-24 | 2000-08-24 | Bamboo plywood |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2445879Y (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100391707C (en) * | 2006-04-05 | 2008-06-04 | 贺建中 | Diametral plane section-aligning bamboo panel for composite board and method for manufacturing the composite board |
CN103500567A (en) * | 2013-09-22 | 2014-01-08 | 张士臣 | Synthetic bamboo sounding board of national instrument |
CN105751347A (en) * | 2016-03-11 | 2016-07-13 | 赖建强 | Method for manufacturing boards with main stems of long branches of phyllostachys pubescens |
CN112454554A (en) * | 2020-11-13 | 2021-03-09 | 罗源县金源竹业有限公司 | High-strength ecological bamboo core plate based on bamboo and wood compounding and processing method thereof |
CN113305950A (en) * | 2021-06-25 | 2021-08-27 | 福建农林大学 | Preparation method of bamboo oriented material and corresponding bamboo oriented material |
-
2000
- 2000-08-24 CN CN 00225501 patent/CN2445879Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100391707C (en) * | 2006-04-05 | 2008-06-04 | 贺建中 | Diametral plane section-aligning bamboo panel for composite board and method for manufacturing the composite board |
CN103500567A (en) * | 2013-09-22 | 2014-01-08 | 张士臣 | Synthetic bamboo sounding board of national instrument |
CN105751347A (en) * | 2016-03-11 | 2016-07-13 | 赖建强 | Method for manufacturing boards with main stems of long branches of phyllostachys pubescens |
CN112454554A (en) * | 2020-11-13 | 2021-03-09 | 罗源县金源竹业有限公司 | High-strength ecological bamboo core plate based on bamboo and wood compounding and processing method thereof |
CN112454554B (en) * | 2020-11-13 | 2022-06-14 | 罗源县金源竹业有限公司 | High-strength ecological bamboo core plate based on bamboo and wood compounding and processing method thereof |
CN113305950A (en) * | 2021-06-25 | 2021-08-27 | 福建农林大学 | Preparation method of bamboo oriented material and corresponding bamboo oriented material |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |