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:
Sep. 17, 2002
Filed:
Jul. 18, 2001
Applicant:
Inventor:
Börge Carlström, Höganäs, SE;
Assignee:
C-tech Ltd, Manama, BH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/702 ; F16L 4/700 ;
U.S. Cl.
CPC ...
F16L 1/702 ; F16L 4/700 ;
Abstract
A pipe coupling according to the invention comprises a socket ( ) of glass-fiber reinforced plastics material and a membrane ( ) of elastic material which is formed at at least one end as a seal and comprises a sleeve section ( ). Where the membrane is formed as a seal, it has at the end where the pipe ( ) is to be introduced (thus at the outer end), a short cylindrical band ( ). In the cylindrical band the membrane has a constant wall thickness, which is backed by the glass-fiber reinforced socket material of the pipe coupling.