Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1990-05-16
1992-02-11
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
285349, 285352, 285910, 285336, 285350, 428 64, 428 57, 428139, 428157, 428161, 428163, 428172, 428192, 4284777, 428451, B32B 330, F16L 2316
Patent
active
050875043
ABSTRACT:
In the present invention, when a multi-injection molded body made of at least a first and a second resins is molded, catching means are formed generally by pressing a part of the surface about an opening of a concave section formed in a first molded body made of the first resin to project interior side wall faces of the concave section inward, and injecting a second resin to mold a second molded body thus formed has catching means in the concave section, so that the second molded body is tightly fixed to the first molded body.
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Japanese Provisional Publication Gazette 60-52322, "A Method of Molding a Multi-Molded Body".
Japanese Provisional Publication Gazette 63-104809, "A Method of Molding a Multi-Injection Molded Body".
Kanai Toshiyuki
Shinnoh Nobuo
Nissei Jushi Kogyo Kabushiki Kaisha
Ryan Patrick J.
Watkins III William P.
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