| Title: | Pollution-free prodn. method for color pencil and pencil-case | ||
| Application Number: | 96105162 | Application Date: | 1996.05.21 |
| Publication Number: | 1165841 | Publication Date: | 1997.11.26 |
| Approval Pub. Date: | Granted Pub. Date: | ||
| International Classifi-cation: | C09D13/00 | ||
| Applicant(s) Name: | Liu Yuanrong | Address: | |
| Inventor(s) Name: | |||
| Attorney & Agent: | LIU XINYU | ||
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Abstract: |
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| A method for manufacturing colour pen or pen box without pollution features that the materials that can be reused or regenerated, such as paper, wood bits, oddment of cloth, etc., are used as raw materials, and includes mixing said materials thoroughly, stirring with adhesive, charging the mixture in moulds, pressing for several min, demoulding and baking. | |||
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| Time: | 3 | ||
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