发明名称 |
METHOD AND APPARATUS FOR FORMING AN EXTRUSION |
摘要 |
A method of forming an extrusion comprises passing a first, plastics material (12) through a first channel (104) in a die, passing a second, plastics material (14) through a second channel (112) in the die, and passing a third, plastics material (16) through a third channel (314) in the die. At least one of the materials is passed through a metering gap into contact with the other materials to cause the at least one material to bond with the other materials as the materials pass through the die. |
申请公布号 |
CA2443000(C) |
申请公布日期 |
2010.02.23 |
申请号 |
CA20022443000 |
申请日期 |
2002.04.05 |
申请人 |
PLASTECH MULTISEALS LIMITED |
发明人 |
WHELAN, RICHARD STEPHEN;WHELAN, ROBERT GORDON |
分类号 |
B29C47/56;B29C47/06;B29C47/12;B60J10/00 |
主分类号 |
B29C47/56 |
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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