发明名称 |
Composite PTFE article method of manufacture |
摘要 |
A method of producing a polytetrafluoroethylene (PTFE) material including the steps of extruding a first material to form a first extrudate, and extruding a second PTFE material to form a second extrudate, wherein the first PTFE material is more expandable than the second PTFE material. A stack is formed from at least one layer of the first extrudate and at least one layer of the second extrudate, and the stack is expanded and sintered to form the article.
|
申请公布号 |
US6712919(B2) |
申请公布日期 |
2004.03.30 |
申请号 |
US20010918845 |
申请日期 |
2001.07.31 |
申请人 |
RUEFER BRUCE G.;MARLOW, JR. LEONARD G.;RUEFER REBECCA U.;SHARBER N. JOE |
发明人 |
RUEFER BRUCE G.;MARLOW, JR. LEONARD G.;RUEFER REBECCA U.;SHARBER N. JOE |
分类号 |
C08J5/00;(IPC1-7):B32B31/14 |
主分类号 |
C08J5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|