Reinforced hose

Details Reinforced hose Reinforced hose

2006-03-28

2006-03-28

Brinson, Patrick (Department: 3754)

Pipes and tubular conduits

Flexible

Braided, interlaced, knitted or woven

C138S124000, C138S137000, C138S140000, C428S036200, C428S036100

Reexamination Certificate

active

07017616

ABSTRACT:
A brake hose has an inner rubber layer, an outer rubber layer, and at least two reinforcing layers provided between the inner rubber layer and the outer rubber layer. The reinforcing layers include an upper yarn layer, and a lower yarn layer. Polyester yarn having a tensile strength of not lower than 6.9 g per unit dtex and having a stretchability of 2.6±1.0% at 2.7 g load per unit dtex is used as lower yarn in the lower yarn layer. The braid angle of the lower yarn layer with respect to the axial direction of the hose is set at 59±2°.

REFERENCES:
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patent: 4668318 (1987-05-01), Piccoli et al.
patent: 4668319 (1987-05-01), Piccoli
patent: 5445191 (1995-08-01), Green et al.
patent: 5660210 (1997-08-01), Ikeda et al.
patent: 6631742 (2003-10-01), Hagiwara et al.
patent: 1 314 924 (2003-05-01), None
patent: 1 314 925 (2003-05-01), None
patent: B2-2692480 (1997-09-01), None
patent: B2-3003769 (1999-11-01), None

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