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:
Dec. 30, 1986
Filed:
Sep. 04, 1985
Applicant:
Inventor:
Shigeru Kimura, Kamakura, JP;
Assignee:
Nifco Inc., Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 38 ; 285307 ; 285331 ; 285348 ; 285360 ; 285361 ; 285281 ; 285376 ;
Abstract
A device for connecting together tubes or pipes is disclosed, which comprises a cylindrical male coupler provided on one end of a first tube or pipe and having an engagement projection formed on the outer periphery, and a female coupler provided on one end of a second tube or pipe and having a helical engagement notch for receiving the engagement projection. The two couplers can be tightly coupled together by fitting the male coupler to the female coupler such that the engagement projection is received in the helical engagement notch and then turning the couplers relative to each other.