A multi-injection molded body, a method of molding and a molding machine
作者： O Nissei Jushi Kogyo K. K. Shinnoh , Toshiyuki C , O Nissei Jushi Kogyo K. K. Kanai , Nobuo C
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摘要: In the present invention, when a multi-injection molded body (A,B) made of at least first (A) and second (B) resins is molded, catching means formed by wall concave section (3) with steps forming undercut in pressing rim resin to project faces toward inside thereof, injecting mold section. The has section, so that tightly fixed body.
lens.org 参考文章(2)
Floyd J Dofsen, Elmer L Danielson, Method for forming a multipart plastic article ,(1951)