发明授权
- 专利标题: Extruder screw
- 专利标题(中): 挤出机螺丝
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申请号: US619510申请日: 1975-10-03
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公开(公告)号: US4015833A公开(公告)日: 1977-04-05
- 发明人: Heung Tai Kim
- 申请人: Heung Tai Kim
- 申请人地址: OH Akron
- 专利权人: The B. F. Goodrich Company
- 当前专利权人: The B. F. Goodrich Company
- 当前专利权人地址: OH Akron
- 主分类号: B29C48/67
- IPC分类号: B29C48/67 ; B29B1/12
摘要:
An extruder screw having an elongated core with helical flights with a plurality of axially spaced shear rings along the length thereof. The shear rings have radial slots that extend axially through the shear rings. The length and width of the slots vary in dimension.
公开/授权文献
- US5760059A Indole derivatives 公开/授权日:1998-06-02
信息查询
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