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. 12, 2014
Filed:
Dec. 17, 2009
Applicant:
Michael James Dewhirst, Stratford Upon Avon, GB;
Inventor:
Michael James Dewhirst, Stratford Upon Avon, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for forming at least one external annular flange (or) adjacent one end of a fiber reinforced thermoplastic tube () in which the tube () is mounted on a mandrel () and a first end portion of the tube is clamped in a collar () having at least one internal annular cavity (or) for forming a flange, a second end portion of the tube in the region (R, R) of the cavity is heated to soften the thermoplastic, and an axial load (L) is applied to the end of the tube by a piston () causing the softened tube to flow into the cavity () in the collar () to form a flange on the tube.