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US 12,007,061 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.
Claims19
A tubing comprising:
- a 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;
- and
- a thermoplastic polyurethane, wherein the tubing is capable of meeting the performance requirements of SAE J844, SAE J2547 and DOT FMVSS 106.
1 more element
A tubing suitable for use in pneumatic or hydraulic applications, the tubing formed from a composition comprising about 15-75 wt %, about 30-60 wt %, or about 40-55 wt % of a copolyester, a polyethylene terephthalate, or a polybutylene terephthalate or combinations thereof;
- about 15-75 wt %, about 30-60 wt %, or about 40-55 wt % of a thermoplastic polyurethane;
- and about 0-50 wt % of a polyamide, wherein the tubing is capable of meeting the performance requirements of at least one of SAL J844, SAE J2547 and DOT FMVSS 106.
Dependencies are inferred from the claim text.