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:
Apr. 23, 2002
Filed:
Aug. 23, 1999
Alan John Dickinson, Nottingham, GB;
Jyri Jaakko Jarvenkyla, Hollola, FI;
Uponor Innovation AB, Amsterdam, NL;
Abstract
A pipe connector ( ) for a multi-layer composite pipe, the pipe comprising at least one reinforcing layer ( ), or layer of high axial strength, at least one inner thermoplastic layer ( ) and at least one outer protective layer ( ), the connector comprising: (i) a hollow, tubular enclosure ( ) adapted to receive the pipe; (ii) fusion means adapted to make a fusion connection with the inner thermoplastic layer of the pipe; (iii) mechanical gripping means ( ) adapted to grip the reinforcing layer, or layer of high axial strength of the pipe; and (iv) optionally sealing means ( ) adapted to form an environmental seal with the outer protective layer of the pipe, the electrofusion means ( ), mechanical gripping means and optional sealing means being disposed within the enclosure and the enclosure being adapted, in use, to apply a constraining force to the mechanical gripping means and the sealing means.