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. 28, 2001
Filed:
Jul. 26, 1999
Applicant:
Inventor:
Michel Paul Hulsebos, Deventer, NL;
Assignee:
Georg Fischer Waga N.V., Pa Epe, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 2/104 ; F16L 2/108 ;
U.S. Cl.
CPC ...
F16L 2/104 ; F16L 2/108 ;
Abstract
Coupling device for a pipe, comprising a sleeve having an insert end for the pipe and a sealing means adapted for realizing a seal around the pipe when inserted in the sleeve, said sealing means comprising a plurality of mutually slidable elements which together form a ring, and a grip ring being mounted within said elements and extending along at least a part of the perimeter of the pipe, the grip ring being formed with dents pressed out of the plane of the grip ring.