US 2003/0079804 A1Published application

Window blinds made of processed bamboo slats

OwnerAngela S.H. Hsuinventor

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Abstract

This invention discloses a new method of manufacture of the processed bamboo slats for top quality window blinds. The method comprises six (6) steps: 1. slicing and smoothing, 2. steaming and boiling, 3. drying, 4. further smoothing, 5. assembling, and 6. cutting. Through a refinement process with chemical substances and physical efficiency, the bamboo slats can become pressure-resistant, moisture-proof, and insects-proof The processed bamboo slats can be manufactured by an integrated operation of mass production, which will dramatically lessen the cost of production of top quality bamboo window curtains.

Claims1

Dependent claims

A method of manufacturing the processed bamboo slats for bamboo blinds comprising the steps of:

1. Slicing the selected bamboos into 7 to 12 pieces of bamboo strips, each having the width of 18-27 mm, then peeling off their bark and joints and smoothing them;
after that, making each of them have the thickness of 6-8 m/m and the width of 16-24 m/m.
2. Steaming the smoothed bamboo strips in a container with high pressure and high heat for 10-120 minutes in order to get rid of the sugar they have contained:
then boiling them in a boiler filled with water with 0.3%-0.8% of NaOH for a while, and then taking them out of the boiler and rinsing them thoroughly;
after that, putting them back into the boiler with addition of the solution of anti-insects boride and bleach detergent and boiling for 2-5 hours.
3. Air-drying fully the steamed and boiled bamboo strips at the temperature of about 40-60° C. and making sure that the water they have contained will be effectively reduced to somewhere between 5-10% and their hardness will be upgraded as well.
4. Further smoothing the fully dried bamboo strips on four directions in order to transform each of them into an oblong bamboo strip having the thickness of about 4.5-7 m/m and the width of about 15-21 m/m.
5. Assembling horizontally the smoothed bamboo strips of desired size into a single piece of bamboo plate having the thickness of about 4.5-7 m/m and then sanding smooth the two sides of the bamboo plates;
after that, applying adhesive to gaps between the bamboo plates and pressing them, in a pressing machine under high temperature and high heat, into a multi-layer bamboo plates having the thickness of 15-45 m/m at the best.
6. Cutting vertically the multi-layer bamboo plates into bamboo slats of desired size with the thickness of 3 m/m and then applying the anti-moisture and anti-insects polish or wax to the surface of said bamboo slats so that a piece of the processed bamboo slat is turned out.

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Dependencies are inferred from the claim text.

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Abstract

A method of manufacturing the processed bamboo slats for bamboo blinds comprising the steps of:

1. Slicing the selected bamboos into 7 to 12 pieces of bamboo strips, each having the width of 18-27 mm, then peeling off their bark and joints and smoothing them;
after that, making each of them have the thickness of 6-8 m/m and the width of 16-24 m/m.
2. Steaming the smoothed bamboo strips in a container with high pressure and high heat for 10-120 minutes in order to get rid of the sugar they have contained:
then boiling them in a boiler filled with water with 0.3%-0.8% of NaOH for a while, and then taking them out of the boiler and rinsing them thoroughly;
after that, putting them back into the boiler with addition of the solution of anti-insects boride and bleach detergent and boiling for 2-5 hours.
3. Air-drying fully the steamed and boiled bamboo strips at the temperature of about 40-60° C. and making sure that the water they have contained will be effectively reduced to somewhere between 5-10% and their hardness will be upgraded as well.
4. Further smoothing the fully dried bamboo strips on four directions in order to transform each of them into an oblong bamboo strip having the thickness of about 4.5-7 m/m and the width of about 15-21 m/m.
5. Assembling horizontally the smoothed bamboo strips of desired size into a single piece of bamboo plate having the thickness of about 4.5-7 m/m and then sanding smooth the two sides of the bamboo plates;
after that, applying adhesive to gaps between the bamboo plates and pressing them, in a pressing machine under high temperature and high heat, into a multi-layer bamboo plates having the thickness of 15-45 m/m at the best.
6. Cutting vertically the multi-layer bamboo plates into bamboo slats of desired size with the thickness of 3 m/m and then applying the anti-moisture and anti-insects polish or wax to the surface of said bamboo slats so that a piece of the processed bamboo slat is turned out.

7 more elements