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:
Jan. 28, 1992
Filed:
Dec. 28, 1989
Applicant:
Inventor:
Siegfried Hopperdietzel, Selb, DE;
Assignee:
Rehau AG & Co., Rehau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285305 ; 285330 ; 285351 ; 285421 ;
Abstract
A pipe coupling for driven-in pipes or the like includes a first pipe having a male coupling end, a first annular supporting element connected about the male coupling end, and a second pipe having a female coupling end adapted to receive the male coupling end. The female coupling end has a second annular supporting element connected to the exterior of the female coupling end.