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:
Apr. 29, 2016
Applicant:
Ckd Corporation, Komaki-shi, Aichi, JP;
Inventors:
Masaki Yoshida, Komaki, JP;
Michio Miyashita, Komaki, JP;
Shoji Azuma, Komaki, JP;
Takayuki Kumagai, Komaki, JP;
Assignee:
CKD Corporation, Komaki-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 7/17 (2006.01); B29C 45/14 (2006.01); F16K 25/00 (2006.01); B29K 627/18 (2006.01); B29K 71/00 (2006.01); B29K 105/20 (2006.01); B29K 671/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
F16K 7/17 (2013.01); B29C 45/14 (2013.01); F16K 25/005 (2013.01); B29K 2071/00 (2013.01); B29K 2105/20 (2013.01); B29K 2627/18 (2013.01); B29K 2671/00 (2013.01); B29L 2031/755 (2013.01);
Abstract
A diaphragm having chemical resistance is disclosed. The diaphragm includes a membrane portion and a connection portion which enables connection of the membrane portion to another member. The membrane portion is formed of a first material having chemical resistance. The connection portion is formed of a second material whose main material is the same as that of the first material. The membrane portion and the connection portion are directly bonded together.