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:
Aug. 09, 2022
Filed:
Mar. 15, 2018
Heishin Ltd., Kobe, JP;
Takashi Hashima, Kobe, JP;
Heishin Ltd., Kobe, JP;
Abstract
The present invention aims to provide a long-life stator and a uniaxial eccentric screw pump provided with the stator, which enable a comparatively extended period of use by preventing damage of the stator due to repeating of attachment and removal to/from the uniaxial eccentric screw pump. A statorincludes an outer cylinder, and a stator main bodyhaving flange-shaped gasket partsand. The statorincludes fixing areasandto which the gasket partsandand the outer cylinderare adhered. One or both of the outer cylinderand the gasket partsandhas a derricking part penetrating or being dented in axial directions X and made into such a shape where at least part of one of the outer cylinder and the gasket parts is fitted into the other.