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. 03, 2010
Filed:
Nov. 24, 2004
Applicant:
Bhavna Patel, Auckland, NZ;
Inventor:
Bhavna Patel, Auckland, NZ;
Assignee:
Fisher & Paykel Healthcare Limited, Auckland, NZ;
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of forming a double film layered continuous conduit is disclosed. The method includes applying at least one film of ribbon spirally around a former where at least half of each turn of ribbon overlaps the next turn of the ribbon, such that the leading and trailing edges overlap. A bead of molten plastic is then applied between the overlap.