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. 04, 2024
Filed:
Mar. 24, 2020
Kubota Corporation, Osaka, JP;
Shozo Kishi, Amagasaki, JP;
Yuito Komaru, Amagasaki, JP;
Koji Kamachi, Amagasaki, JP;
Masataka Shimomura, Amagasaki, JP;
KUBOTA CORPORATION, Osaka, JP;
Abstract
A watertight testing device includes a cylindrical core fit into a pipe joint part, a first seal member for sealing between the outer surface of the core and the inner surface of one pipe, a second seal member for sealing between the outer surface of the core and the inner surface of the other pipe, a first pressing member for pressing and compressing the first seal member into a first seal-member insertion space, a second pressing member for pressing and compressing the second seal member into a second seal-member insertion space, a moving device for moving the first and second pressing members in a pipe axial direction, and a test fluid feeder for feeding a test fluid into a test space.