Method of manufacturing a resin-laminated board

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United States of America Patent

PATENT NO 9757893
SERIAL NO

15646831

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Abstract

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A method of manufacturing a resin-laminated board by preparing a pair of first and second split molds each of which is provided with a cavity; positioning two sheet materials made of a thermoplastic resin between the first and second split molds with the cavities of the first and second split molds opposed to each other; forming a plurality of recesses by recessing a first sheet material toward a second sheet material with use of a plurality of protrusions provided to the first split mold; and welding bottoms of the recesses to the second sheet material by clamping the pair of first and second split molds to obtain a resin-laminated board with a hollow structure. A mold includes a plurality of piece members, disposed at the cavity of the first split mold; and includes the protrusions and male screws provided to base ends of the protrusions.

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Patent Owner(s)

Patent OwnerAddress
KYORAKU CO LTD598-1 TATSUMAE-CHO NAKADACHIURI-SAGARU KARASUMADORI KAMIGYO-KU KYOTO-SHI KYOTO 6020912 ?6020912

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsubara, Yoshitaka Kanagawa, JP 27 230
Tanji, Tadatoshi Kanagawa, JP 34 244

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