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. 07, 1982
Filed:
Feb. 24, 1981
Applicant:
Inventors:
Bernhard Lodder, Hardennerg, NL;
Jan P van Dongeren, Bergentheim, NL;
Gerard A Blok, Gramsbergen, NL;
Assignee:
Wabin B.V., Zwolle, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285-4 ; 285 23 ; 285 94 ; 285110 ; 285111 ; 285231 ; 285345 ; 285379 ; 285423 ;
Abstract
Pipe with socket end provided with an annular groove chamber containing a sealing ring supported by a support ring, which support ring compresses the sealing ring less than the final inserted spigot end. The support ring closes the groove and the sealing ring or the closed space is provided with lubricant.