发明名称 |
Method of removing blemishes in compression molded articles |
摘要 |
A method of compression molding a closure having a base wall and peripheral skirt with internal threads, a thermoplastic resin blended with metallic particles wherein the particles are added in elliptical or spherical form. The metallic particles are provided in a carrier of resin which is then blended with the resin of the closure and the melt blend is extruded through a nozzle and cut into individual pellets. Each pellet is deposited into the cavity of a mold which is then closed to compression mold a closure.
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申请公布号 |
US5958587(A) |
申请公布日期 |
1999.09.28 |
申请号 |
US19970845114 |
申请日期 |
1997.04.21 |
申请人 |
OWENS-ILLINOIS CLOSURE INC. |
发明人 |
HOCK, MARK RONALD |
分类号 |
B29C43/34;B29B9/06;B29C43/00;B29C43/02;B29C70/62;B29K23/00;B29K105/16;B29K505/00;B29L1/00;B29L31/56;(IPC1-7):B32B5/16;B27N3/18;B65B7/28 |
主分类号 |
B29C43/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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