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. 24, 1976
Filed:
Jan. 03, 1975
Applicant:
Inventor:
Charles H Graham, Los Altos Hills, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ; F16L / ;
U.S. Cl.
CPC ...
285238 ; 285340 ; 285345 ; 285417 ; 285423 ; 285D / ;
Abstract
A coupler or fitting for connecting ductile tubes or pipes includes a coupler body having one or more ports therein, and a ferrule which is friction-fitted within each port, the ferrule having a radially-inward flaring lip for biting into and locking a tube inserted therein and for creating a seal between the tube and the body, and a radially-outward flaring lip for biting into and locking the ferrule within the body.