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. 19, 2002
Filed:
Feb. 24, 2000
Nobuhiro Nozato, Takarazuka, JP;
Atsushi Inagaki, Tenri, JP;
Shinichi Matsumoto, Toyonaka, JP;
Hajime Komada, Himeji, JP;
Mitsuteru Mutsuda, Himeji, JP;
Masanori Hiraishi, Osaka, JP;
Other;
Abstract
An air-pressure joint comprising a pipe main body made of a rigid thermoplastic resin and a release ring made of a rigid thermoplastic resin inserted from one opening of the pipe main body, wherein the release ring includes a slip-off preventing protrusion on an outer circumferential surface of its insertion site; and the pipe main body includes a ring-shaped sealing portion made of an elastic resin and integrally formed on an inner circumferential surface thereof, an insertion mouth pipe portion made of a rigid rigid resin, coaxially disposed to abut one opening side portion of the pipe main body and forming a recess groove on an inner circumferential surface of an abutting portion thereof for stopping the slip-off preventing protrusion of the release ring , and a ring-shaped connecting portion made of a rigid synthetic resin and integrally molded to an outer circumferential surface of the abutting portion of this mouth pipe for connecting the insertion mouth pipe portion to the pipe main body