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US 11,635,156 B2Granted
Air brake tubing and compositions for making the same
AssigneeDanfoss A/S
InventorsIani Manas-Zloczower, Brett William Schultz
Life of this patent
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Abstract
Air brake tubing is provided having an air brake tube body comprising at least one layer formed from a composition comprising a copolyester, polyethylene terephthalate or polybutylene terephthalate; and a thermoplastic polyurethane.
Claims21
An air brake tubing comprising:
- an air brake tube body comprising at least one layer formed from a composition comprising
- at least one of the group consisting of a copolyester, a polyethylene terephthalate, and a polybutylene terephthalate;
- a thermoplastic polyurethane;
- and
- a polyamide.
2 more elements
A reinforced tubing suitable for use in pneumatic or hydraulic applications, the tubing comprising at least one layer
- formed from a composition comprising about 15-75% by weight copolyester, polyethylene terephthalate or polybutylene terephthalate or combinations thereof;
- about 15-75% by weight polyurethane, and about 1-15% by weight polyamide.
Dependencies are inferred from the claim text.