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. 07, 2021
Filed:
Oct. 23, 2018
Applicant:
Hs Marston Aerospace Limited, Wolverhampton, GB;
Inventors:
Berwyn Owain Pollard, Wolverhampton, GB;
Stephen Whalley, Shropshire, GB;
Assignee:
HS MARSTON AEROSPACE LIMITED, Wolverhampton, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 11/12 (2006.01); F16L 11/08 (2006.01); B32B 1/08 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
F16L 11/125 (2013.01); F16L 11/085 (2013.01); F16L 11/086 (2013.01); B32B 1/08 (2013.01); B32B 27/322 (2013.01); B32B 2262/101 (2013.01); B32B 2307/304 (2013.01); B32B 2307/3065 (2013.01); B32B 2597/00 (2013.01);
Abstract
A multi-layer flexible hose is described comprising a multi-layered structure that has an inner, hollow tube comprising PTFE and an outer layer. The inner PTFE tube is provided so as to extend within the outer layer. The assembly further comprises another sleeve comprising steel braiding that is positioned between the inner PTFE tube and the outer layer. In addition to this, the hose further comprises a coating or layer of intumescent material that is provided between the steel braiding sleeve and the outer layer. A method for forming the hose is also described.