The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2006
Filed:
Mar. 08, 2005
James Huang, Taichung, TW;
Chin-chun Chou, Taichung, TW;
Chin-cha Chou, Taichung, TW;
Shia-chung Chen, Taipei, TW;
Wen-i Kuo, Taichung, TW;
Lei-ti Huang, Taichung, TW;
James Huang, Taichung, TW;
Chin-Chun Chou, Taichung, TW;
Chin-Cha Chou, Taichung, TW;
Shia-Chung Chen, Taipei, TW;
Wen-I Kuo, Taichung, TW;
Lei-Ti Huang, Taichung, TW;
Yeu Ming Tai Chemical Industrial Co., Ltd., Taichung, TW;
Abstract
A polytetrafluoroethylene (PTFE) fiber includes a filament obtained by partially slitting an oriented PTFE film in a lengthwise direction of the film. Emboss processing is conducted linearly along the lengthwise direction of the film and like a zigzag shape or a convexo-concave shape in a width direction of the film, followed by slitting, whereby the filament includes a network structure in which single fibrils that are opened partially are arranged regularly. A PTFE short fiber is obtained by cutting the above filament and includes a branch structure. Thereby, a PTFE fiber with a small average fineness of single fibrils, a uniform fineness and a single-peak distribution with the peak at a center of fineness and with a high production yield and uniform and stable branch structure can be provided and a method for manufacturing the PTFE fiber can be provided.