CN2270613Y

CN2270613Y - Bamboo plywood made from equal width strip

Info

Publication number: CN2270613Y
Application number: CN 96231016
Authority: CN
Inventors: 苏敏翀
Original assignee: HAOLONG BAMBOO MATERIAL CO Ltd TAISHUN COUNTY
Current assignee: HAOLONG BAMBOO MATERIAL CO Ltd TAISHUN COUNTY
Priority date: 1996-01-05
Filing date: 1996-01-05
Publication date: 1997-12-17
Anticipated expiration: 2006-01-05

Abstract

The utility model provides a bamboo plywood made from an equal width strip; the utilization rate of a bamboo is high, and various mechanical indexes are superior to that of a wooden plywood. The bamboo plywood made from the equal width strip is characterized in that bamboo sheets with the equal width strip are used as a surface layer, and the bamboo sheets with the equal width strip or unequal width strip are used as a core layer and a back layer. After the bleaching processing and shaping, the surface and the back layers are conducted with grinding. The surface of a product is smooth and flat, and the purpose is wide.

Description

Wide strip bamboo plywood

The utility model belongs to wood-based plate manufacturing technology field, is a kind of wide strip bamboo plywood specifically.

At present, packing braiding bamboo plywood, lamination bamboo plywood are arranged in the bamboo offset plate industry at home, flatten bamboo wood gummed, bamboo curtain splint bamboo plywood, more than various products all can not bring into play congenital self aesthetic feeling given of mao bamboon, fail in senior interior decoration and furniture production, to utilize, have only the Bamboo floor blocks plate to enter senior interior decoration, but its bamboo wood rate is low, costs an arm and a leg.

The purpose of this utility model then is the problem at above-mentioned existence, and a kind of utilization rate of bamboo height is provided, and every mechanical index surpasses the wide strip bamboo plywood of wooden plywood.

The purpose of this utility model can reach by following measure:

A kind of wide strip bamboo plywood is characterized in that with wide strip bamboo chip be top layer 1, is sandwich layer 2, backing layer 3 with the strip bamboo chip.

The purpose of this utility model can also reach by following measure:

Top layer 1, backing layer 3 adopt vertically and arrange, and sandwich layer 2 adopts transversely arranged, or vertically arrange.

Fig. 1 is three layers of wide schematic diagram of the utility model.

Fig. 2 is two layers of wide schematic diagram of the utility model.

Fig. 3 is two layers of not wide schematic diagram of the utility model.

Below in conjunction with accompanying drawing the utility model is further described:

The wide strip bamboo plywood of once hot pressing, top layer 1 bamboo strip is wide to be 2.8 centimetres, thickness is the 2-3 millimeter, it is the 3-5 millimeter that sandwich layer 2 does not wait the bamboo chip thickness of width, it is the 2-3 millimeter that backing layer 3 does not wait the bamboo chip thickness of width, be dried to moisture content and be lower than 8%, central layer has been carried out soaking employing phenolic resin glue (glue has added mothproofing agent, anticorrisive agent when producing) or gluing is handled stand-by.

The wide strip bamboo plywood main processes that adopts the utility model to make is as follows:

1. raw material are prepared: the mao bamboon of fresh maturation, can not surpass three months storage period, keep the freshness of mao bamboon.

2. cut material: the specification according to glued board is cut material.

3. cut open strip: cut open some of five equilibrium according to the size of mao bamboon with cuing open the bamboo machine.

4. layering: be divided into five equilibrium with the layering machine that is divided into two.

5. thicknesser: the thicknessing machine with four limits is pressed into foursquare strip (wide uniform thickness) according to the thickness of bamboo bar and the requirement of product.

6. bleaching: bamboo strip and bamboo chip are put into Bellmer carry out heat and float temperature and when 100 spend, float and be advisable in 2 hours.

7. horizontal stroke pressurizes mutually: glue is in a small amount coated on both sides, no any slit, pressurization back.

8. hot pressing: with reference to the hot-press method of bamboo glue.

9. husky light: face, the backing layer disposable husky light of husky machine up and down.

The technical indicator of wide strip bamboo plywood is as follows:

1. volume is heavy: be not less than 0.85 gram per centimeter ³

2. moisture content: be not less than 7%;

3. MOR: vertically be not less than 1300 kgfs/centimetre ²

Laterally be not less than 720 kgfs/centimetre ²

4. impact strength: be not less than 0.8 kgf/centimetre ²

5. glue shear-strength: be not less than 25 kgfs/centimetre ²

6. soak in the water that water absorption rate is not more than 15% after 24 hours, the thickness swelling coefficient is not more than 6%;

Wood screw hold put forth effort to be not less than 190 kgfs/centimetre ²

Claims

1. a wide strip bamboo plywood is characterized in that with wide strip bamboo chip be top layer (1), is sandwich layer (2), backing layer (3) with the strip bamboo chip.

2. wide strip bamboo plywood according to claim 1 is characterized in that top layer (1), backing layer (3) adopt vertically and arrange, and sandwich layer (2) adopts transversely arranged, or vertically arranges.