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.

Date of Patent:
Jul. 26, 2005

Filed:

Jul. 30, 2003
Applicants:

Timothy Paul Saupe, Lincoln, NE (US);

Carol Lynn Ainsworth, Sun Prairie, WI (US);

Inventors:

Timothy Paul Saupe, Lincoln, NE (US);

Carol Lynn Ainsworth, Sun Prairie, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D022/00 ; F16L009/14 ;
U.S. Cl.
CPC ...
Abstract

The present invention relates to a hose construction containing a thermoplastic barrier and a fluoroelastomer rubber layer. The hose comprises () a rubber layer comprising FKM rubber; and () a barrier layer comprised of a thermoplastic quadpolymer derived from (i) tetrafluoroethylene, (ii) vinylidene fluoride, (iii) at least one ethylenically unsaturated monomer of the formula CF═CFRwhere Ris a perfluoroalkyl or a perfluoroalkoxy of 1 to 8 carbon atoms, and (iv) a perfluorovinyl ether of the formula CF═CF—(OCFCF(R))OR'where Ris as described in (iii), R′is a perfluoroaliphatic, preferably a perfluoroalkyl or a perfluoroalkoxy, of 1 to 8, preferably 1 to 3, carbon atoms, and a has a value of 0 to 3; wherein the barrier layer is adhered to the rubber layer with an adhesive amount of a thermoplastic terpolymer derived from tetrafluoroethylene, hexafluoropropylene and vinylidene fluoride.


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