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:
Mar. 17, 2015
Filed:
Sep. 27, 2007
Applicants:
Daniel John Smith, Auckland, NZ;
Nathan Lee Gray, Auckland, NZ;
Blair Victor Skelton, Pukekohe, NZ;
Inventors:
Assignee:
Fisher & Paykel Healthcare Limited, Auckland, NZ;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 53/58 (2006.01); F16L 11/115 (2006.01); A61M 11/08 (2006.01); A61M 16/08 (2006.01); B29C 53/36 (2006.01); B29C 53/60 (2006.01); B29C 63/00 (2006.01); B29C 65/40 (2006.01); B29C 65/00 (2006.01); F16L 9/16 (2006.01); F16L 11/24 (2006.01); B29C 47/00 (2006.01); B29C 47/02 (2006.01); B29C 59/00 (2006.01); B29C 65/18 (2006.01); B29L 23/00 (2006.01); B29L 23/18 (2006.01); B29C 47/06 (2006.01);
U.S. Cl.
CPC ...
F16L 11/115 (2013.01); A61M 11/08 (2013.01); A61M 16/08 (2013.01); B29C 53/36 (2013.01); B29C 53/582 (2013.01); B29C 53/60 (2013.01); B29C 53/607 (2013.01); B29C 63/0013 (2013.01); B29C 65/40 (2013.01); B29C 66/1122 (2013.01); B29C 66/83413 (2013.01); B29C 66/83415 (2013.01); F16L 9/16 (2013.01); F16L 11/24 (2013.01); B29C 66/4322 (2013.01); B29C 66/4329 (2013.01); B29C 47/0023 (2013.01); B29C 47/0038 (2013.01); B29C 47/021 (2013.01); B29C 59/007 (2013.01); B29C 65/18 (2013.01); B29C 66/81457 (2013.01); B29C 2053/365 (2013.01); B29L 2023/007 (2013.01); B29L 2023/18 (2013.01); B29C 47/0033 (2013.01); B29C 47/062 (2013.01);
Abstract
A thin ribbon spirally wound polymer conduit and method of forming, wherein a helical reinforcing bead is interposed adjacent overlapping layers of ribbon. Further, a method of continuously forming spirally wound conduit wherein a sacrificial layer, preferably having a different base polymer to that of the conduit, is first applied to the former before the conduit is formed overtop.