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:
Apr. 23, 2019
Filed:
Jun. 02, 2017
Daikin Industries, Ltd., Osaka-shi, Osaka, JP;
Shinichi Chaen, Settsu, JP;
Hideyuki Kiyotani, Settsu, JP;
Kunihiko Inui, Settsu, JP;
Taku Yamanaka, Settsu, JP;
Li Bao, Yuki, JP;
Yoshiyuki Shibuya, Settsu, JP;
Seigo Yamamoto, Settsu, JP;
Makoto Kobayashi, Yuki, JP;
Shunji Kasai, Settsu, JP;
Hitoshi Niinuma, Yuki, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
A mixed powder and a material for molding have polytetrafluoroethylene as a main component. Each includes polytetrafluoroethylene that can be fibrillated, a non-hot melt processable component that is not fibrillated, and a hot melt processable component with a melting point of lower than 320° C. that is not fibrillated. The non-hot melt processable component that is not fibrillated is contained in a range of 20 to 40% by weight of the total weight. The hot melt processable component is contained at equal to or more than 0.1% by weight but less than 20% by weight of the total weight. A drawn porous body includes a plurality of fibrils, and a plurality of knotted portions that are connected to each other by the fibrils.