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. 26, 2022
Filed:
Dec. 15, 2016
Iwaki Co., Ltd., Tokyo, JP;
Yoshio Ogawa, Saitama, JP;
IWAKI CO., LTD., Tokyo, JP;
Abstract
At least one ribextending in a direction of connecting with a valve cartridgeis provided to the inner sides of each of a second connection portof a pump headand a third connection portof a first connecting adapterA, and at least one slitwhich extends in the connecting direction and into which the ribsare loosely inserted is provided to the lower outer periphery of the valve cartridgeThe relationship (id2b, id3b)>od1t>(id1, id4)>od2>(id2t, id3t)>od1b is satisfied, where the inside diameter of a first connection portis id1, the inside diameter of the second connection portis id2b, the inscribed diameter at the top of the ribof the second connection portis id2t, the inside diameter of the third connection portis id3b, the inscribed diameter at the top of the ribof the third connection portis id3t, the inside diameter of a fourth connection portis id4, the outside diameter of the upper outer periphery of the valve cartridgeis od1t, the outside diameter of the bottom of the slitat the lower outer periphery is od1b , and the outside diameter of the upper outer periphery of the valve cartridgeis od2.