Twin tube air brake hose

Pipes and tubular conduits – Combined – With end structure

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Details

138110, 138115, 138116, 138126, 138137, F16L 1100

Patent

active

059186402

ABSTRACT:
A twin tube air brake hose for delivering compressed air to brakes on a vehicle such as a truck includes a first tube which serves as a service tube and a second tube which serves as an emergency tube. The first tube and second tube have an inner layer surrounded by a reinforcing layer which is in turn surrounded by an outer rubber layer. The outer rubber layers of each tube are joined by a web which is unitary with the outer layers. Adjacent opposite ends of the twin tube brake hose, the tubes are separated to form free end portions, each of which have a metal fitting. Reinforcing bands are fitted around the twin tube air brake hose just inboard the tail ends to prevent the web from splitting.

REFERENCES:
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patent: 4624472 (1986-11-01), Stuart et al.
patent: 4634151 (1987-01-01), Holt
patent: 4865081 (1989-09-01), Newmann et al.
patent: 5346290 (1994-09-01), Orcutt

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