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Method and apparatus for extruding a pipe, gutter or the like,and a pipe, gutter or the like
专利权人:
Polypipe Limited
发明人:
Gary Stenson,Anthony Patrick Walden
申请号:
GB20100009602
公开号:
GB2481030(B)
申请日:
2010.06.08
申请国别(地区):
英国
年份:
2017
代理人:
摘要:
An apparatus 10 for extruding a pipe, gutter, or the like 20, is provided. An extruding die 12 is provided for extruding a heated mixture of a first material and particles of a second material, a calibrating and/or sizing die 14 is also provided for receiving the extrudate and for sizing and cooling the extrudate from the extruding die, for outputting extrudate with a textured external surface formed by the particles of the second material. Further, cooling means 16 is provided for cooling at least an external surface of the extrudate before it enters the calibrating and/or sizing die. A method of forming an extrudate and such an extrudate are also provided. The apparatus and method are particularly suitable for manufacturing a pipe, gutter or the like with a textured outer surface.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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