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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.:

US 10641418 B1

PDFFull Text
Date of Patent:
May. 05, 2020

Filed:

Apr. 18, 2019

Chemical and gas-resistant, high-pressure, large-bore bonded flexible rubber pipe and method for producing the same

Applicants:

Urbán Mónika Bereczkné, Pitvaros, HU;

Györgyi Szöllösi, Szeged, HU;

Tibor Nagy, Budapest, HU;

István Grépály, Budapest, HU;

Zalán Kádár, Szeged, HU;

Lajos Kis, Makó, HU;

Inventors:

Urbán Mónika Bereczkné, Pitvaros, HU;

Györgyi Szöllösi, Szeged, HU;

Tibor Nagy, Budapest, HU;

Tamás Katona, Algyö, HU;

István Grépály, Budapest, HU;

Zalán Kádár, Szeged, HU;

Lajos Kis, Makó, HU;

Assignee:

ContiTech Rubber Industrial Kft., Szeged, HU;

Attorney:

Kaplan Breyer Schwarz, LLP

Primary Examiner:

Craig M Schneider

Assistant Examiner:

David R Deal

Int. Cl.
CPC ...
F16L 11/04 (2006.01); B32B 1/00 (2006.01); B32B 5/02 (2006.01); B32B 7/04 (2019.01); B32B 15/02 (2006.01); B32B 15/06 (2006.01); B32B 15/082 (2006.01); B32B 25/04 (2006.01); B32B 25/08 (2006.01); B32B 25/10 (2006.01); B32B 25/16 (2006.01); B32B 27/22 (2006.01); B32B 27/30 (2006.01); B32B 1/08 (2006.01); C08F 136/06 (2006.01); C08F 214/22 (2006.01); C08J 3/24 (2006.01); F16L 11/08 (2006.01);
U.S. Cl.
CPC ...
F16L 11/04 (2013.01); B32B 1/00 (2013.01); B32B 1/08 (2013.01); B32B 5/02 (2013.01); B32B 7/04 (2013.01); B32B 15/02 (2013.01); B32B 15/06 (2013.01); B32B 15/082 (2013.01); B32B 25/04 (2013.01); B32B 25/042 (2013.01); B32B 25/08 (2013.01); B32B 25/10 (2013.01); B32B 25/16 (2013.01); B32B 27/22 (2013.01); B32B 27/304 (2013.01); C08F 136/06 (2013.01); C08F 214/22 (2013.01); C08J 3/247 (2013.01); B32B 2250/05 (2013.01); B32B 2260/023 (2013.01); B32B 2260/048 (2013.01); B32B 2262/0269 (2013.01); B32B 2262/0276 (2013.01); B32B 2307/50 (2013.01); B32B 2307/546 (2013.01); B32B 2307/704 (2013.01); B32B 2307/714 (2013.01); B32B 2307/732 (2013.01); B32B 2597/00 (2013.01); C08J 2327/16 (2013.01); C08J 2409/02 (2013.01); F16L 11/088 (2013.01);
Abstract

A high-pressure, large-bore bonded flexible rubber pipe resistant to aggressive chemicals and gases, particularly for conveying gas or oil, the flexible pipe having a liner made of poly(vinylidene-fluoride) homopolymer or copolymer wherein a hydrogenated nitrile rubber-based, peroxide-vulcanized rubber compoundis bonded to the poly(vinylidene-fluoride) liner, which has a Mooney 05, 150° C. scorch time of at least 10 minutes. Further, a method for manufacturing such hoses, the method including vulcanization performed at a temperature of at least 160° C.

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