发明名称 |
Apparatus for and method of manufacture of a textured vinyl post |
摘要 |
A method of manufacture of a extruded vinyl product to provide a textured stake construction includes an extruder screw and a die having specific structural, and dimensional characteristics and temperature parameters. The extruder screw has a flight depth in the meter zone which is about one half the flight depth in the feed zone and deeper than extruder screws of conventional design. The die includes a frusto-conical section connected to a cylindrical passage. The extruded vinyl stake will have a knobby or textured surface.
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申请公布号 |
US5320794(A) |
申请公布日期 |
1994.06.14 |
申请号 |
US19920980331 |
申请日期 |
1992.11.23 |
申请人 |
DELAWARE CAPITAL FORMATION, INC. |
发明人 |
HOLMES, RICHARD M. |
分类号 |
B29C47/00;(IPC1-7):B29C47/12;B29C47/86 |
主分类号 |
B29C47/00 |
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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