发明名称 |
Method for forming porous PTFE layer |
摘要 |
A method forming a porous PTFE layer includes steps of: combining one or at least two unburned porous PTFE films and a support body that can withstand a heating condition in the following process (a rod or plate shaped support body made of mesh or the like is preferable) by using a predetermined means in such a manner that a slip can be prevented in a heating treatment in the following process; and heating the matter resulted from the above process at a temperature of at least 150° C. and less than the melting point of the PTFE film for the range of 5-120 minutes (preferably at a temperature in the range of the melting point of a thermoplastic resin fiber to 320° C. for the range of 10-60 minutes in the case in which the thermoplastic resin fiber or the like is used in the process. |
申请公布号 |
US7867351(B2) |
申请公布日期 |
2011.01.11 |
申请号 |
US20070932446 |
申请日期 |
2007.10.31 |
申请人 |
NIPPON VALQUA INDUSTRIES, LTD. |
发明人 |
ABURATANI YASUSHI;KOMAZAWA TOSHIKIYO;TAKAMURE TATSUO |
分类号 |
A61B17/00 |
主分类号 |
A61B17/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|