Hose construction

Details Hose construction Hose construction

1985-05-31

1987-01-06

Thomas, Alexander S.

Pipes and tubular conduits

Flexible

Spirally wound material

138137, 138141, 138153, 138DIG4, 138DIG7, 156143, 428 36, 428522, 428523, F16L 1108

Patent

active

046339124

ABSTRACT:
This invention is concerned with a hose construction particularly suitable for Freon service in refrigeration systems. The hose comprises (1) a core tube of polyamide covered by an elastomeric friction layer such as EPDM rubber having incorporated therein a calcium ion source and an adhesion system and a curative, (2) a layer of tensioned reinforcement strands, (3) an adhesive/barrier/friction layer such as an ethylene acrylic acid copolymer, (4) a second layer of tensioned reinforcement strands, and (5) a cover selected from chlorobutyl rubber or other suitable materials wherein the chlorobutyl rubber utilizes a bis-dienophile as a crosslinker.

REFERENCES:
patent: 3266527 (1966-08-01), Ross
patent: 3528260 (1970-09-01), Binder

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