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    • 5. 发明专利
    • THREE-DIMENSIONAL STRUCTURE MADE OF PARER
    • JPH11124180A
    • 1999-05-11
    • JP28696097
    • 1997-10-20
    • GIFU PREFECTURE
    • TAKADA MAKOTO
    • B65D81/107B29C70/06B29L22/00B31D5/00
    • PROBLEM TO BE SOLVED: To provide three-dimensional structures made of paper which do not produce harmful gas even if they are burnt and can be recycled and easily produced and are decomposed when buried, when the structures are discharged as waste, in buffer packaging materials needed for the transportation of commodities in the industrial field, and which can absorb and reduce impact and vibration. SOLUTION: In the three-dimensional structure of paper 100, pieces of paper 10 each having a strip-shape and coated or impregnated with resin 20 are put into a mold to form them into a three-dimensional shape by applying pressure and heat. The pieces of paper 10 are fed into a shredder or cutting machine to cut the pieces into strip-shapes of proper sizes, which strip-shaped pieces of paper are impregnated with water-soluble resins and heated and pressurized in a mold to effect a three-dimensional molding. Regarding the paper 10, virgin paper or waste paper (e.g. newspaper, corrugated fiberboard, magazine, etc.), may be used, which may not specifically limited. And the piece of papers 10 cut into strip-shapes by a cutting machine are creped before being put into a three-dimensional mold.