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:
Mar. 28, 1995
Filed:
May. 06, 1993
Katsuya Okumura, Yokohama, JP;
Kenichi Goshima, Kasugai, JP;
Kabushiki Kaisha Toshiba, , JP;
CKD Corporation, , JP;
Abstract
A fluid coupling provides a cap nut having an internal screw formed inside, a pipe having a mirror-finished surface formed at an end face and a groove in an outer periphery, a device for preventing rotation of the pipe together with the cap nut, in contact with the inner end face of the cap nut, a ferrule fitted in the groove formed in the outer periphery of the pipe, in contact with the device for preventing the rotation of the pipe together with the cap nut, the ferrule which transmits to the pipe a thrust of the cap nut in the pipe's longitudinal direction, a gasket fitted on an end part of the pipe, with the end face of the pipe in contact with the gasket through the entire circumference, and a body mirror-finished at the end face and provided with an external screw formed on the outer periphery, wherein the end face of the body is in contact with one side of the gasket the other side of which is in contact with the pipe, and the external screw of the body and the internal screw of the cap nut is tightened to a specific torque.