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:
Jun. 06, 2023
Filed:
Feb. 07, 2020
Nippon Pillar Packing Co., Ltd., Osaka, JP;
NIPPON PILLAR PACKING CO., LTD., Osaka, JP;
Abstract
A rolling diaphragmof a rolling diaphragm pumphas a movable portionreciprocatable together with a piston, a fixed portionfixed to a housing, and a thin film portionconnecting the movable portionand the fixed portionand bending due to reciprocation of the piston. A rubber layeris overlaid on the thin film portionwithout being adhered to the thin film portion, an end portionon the movable portionside of the rubber layeris fixed to the piston, and an end portionon the fixed portionside of the rubber layeris fixed to the housing
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile