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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0647762 (1984-09-06) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 12 인용 특허 : 1 |
This relates to the formation of a cylindrical portion of an injection molded plastic member having an internal thread, rib or bead. In order to facilitate stripping of the thread, rib or bead from an associated core, the cylindrical element has formed in its exterior surface in axial alignment with
A molded plastic member, said plastic member being of the injection molded type and including a cylindrical portion having an internal projection of the type including threads, beads and ribs and being of the type formed by injection molding over a core, said member being improved by there being pro
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