B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
18/641
B32B 5/18 (2006.01) B29C 33/42 (2006.01) B29C 43/02 (2006.01) B29C 43/18 (2006.01)
Patent
CA 1288918
Abstract: A multi-layer molded article comprising a thermoplastic resin body having a plurality of ribs and/or bosses on one side and a layer of a foam laminated on the side of the body having the ribs and/or bosses is easily produced by a press molding method that comprises the steps of supplying foam between upper and lower halves of a mold. One of these mold halves has a plurality of slits and/or holes corresponding to the ribs and/or bosses to be formed. A quantity of a plasticized thermoplastic resin melt is fed between the already supplied foam and the half of the mold not having any slit or hole. At least one half of the mold is moved while supplying the resin or just after completion of the supply of the resin, to press mold the resin so that the plasticized resin breaks at least a part of the areas of the foam above the slits and/or holes in one mold half to flow into the slits and/or holes and to form the ribs and/or bosses.
539794
Masui Shohei
Matubara Shigeyoshi
Mitsui Kiyoshi
Oishi Kanemitsu
Togawa Yoshiaki
Kirby Eades Gale Baker
Sumitomo Chemical Co. Ltd.
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