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:
Aug. 19, 2025

Filed:

Dec. 11, 2019
Applicant:

Ems-chemie Ag, Domat/Ems, CH;

Inventor:

Heinz Caviezel, Masein, CH;

Assignee:

EMS-CHEMIE AG, Domat/Ems, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/00 (2006.01); B29C 48/00 (2019.01); B29C 49/00 (2006.01); B29C 49/06 (2006.01); B29K 77/00 (2006.01); B29L 23/00 (2006.01); B32B 1/08 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); C08G 69/26 (2006.01); C08L 77/06 (2006.01); F16L 9/133 (2006.01); F16L 11/04 (2006.01); F16L 11/11 (2006.01);
U.S. Cl.
CPC ...
F16L 11/04 (2013.01); B32B 1/08 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/322 (2013.01); B32B 27/34 (2013.01); C08G 69/26 (2013.01); C08L 77/06 (2013.01); F16L 11/11 (2013.01); B29C 45/0001 (2013.01); B29C 48/022 (2019.02); B29C 49/0005 (2013.01); B29C 49/06 (2013.01); B29K 2077/00 (2013.01); B29L 2023/005 (2013.01); B29L 2023/22 (2013.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2270/00 (2013.01); B32B 2307/732 (2013.01); B32B 2597/00 (2013.01); F16L 9/133 (2013.01); F16L 2011/047 (2013.01); Y10T 428/1393 (2015.01);
Abstract

A plastic line including at least an inner layer, which directly or indirectly encloses an interior space, and an outer layer directly adjacent to the inner layer. The inner layer is based on fluoropolymer, and the outer layer consists of the following constituents: (A) 51-98% of a polyamide from the following group: PA 616, PA 516, PA 618 or mixtures thereof, and copolymers containing at least 50% of at least one of these polyamides and also mixtures of at least one of these polyamides with a further different thermoplastic material (A2), wherein the proportion of these polyamides in such mixtures makes up at least 50%; (B) 2-20% of impact modifiers or plasticizers; (C) 0-29% of additives different from (A) and (B), wherein the components (A)-(C) together make up 100% of the material of the outer layer.


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