Hose construction

Pipes and tubular conduits – Flexible – Spirally wound material

Reexamination Certificate

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Details

C138S130000, C138S133000, C138S174000, C138S172000

Reexamination Certificate

active

07743793

ABSTRACT:
The present invention provides a hose for transporting material from one destination to another and a method of constructing a hose. According to an exemplary embodiment, the hose may be constructed with two helical coils wound in opposing directions and multiple layers. The hose construction may provide a flexible hose with walls that resist kinking and rupture.

REFERENCES:
patent: 475384 (1892-05-01), Cockburn
patent: 3230979 (1966-01-01), Tenreiro
patent: 4518018 (1985-05-01), Kutnyak et al.
patent: 6053213 (2000-04-01), Jung et al.
patent: 6298884 (2001-10-01), Neto et al.

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