Method of manufacture for flexible hose
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United States of America Patent
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Nov 20, 2001
Grant Date -
N/A
app pub date -
Dec 2, 1998
filing date -
Dec 2, 1998
priority date (Note) -
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Abstract
A method of producing a hose in which a relatively inelastic material, such as ultra-high molecular weight polyethylene, is wrapped around an uncured hose. A rope is then wrapped about this combination with a cure wrap encircling the entire hose. During the curing process, the rope becomes embedded in the inelastic material forcing the underlying hose to be displaced. Once fully cured, the cure wrap and the rope are removed. The valleys where the rope was embedded into the hose provides flexibility which allows a hose with a highly protective outer coating to be flexible enough to reduce susceptibility to kinking during use, has a low coefficient of friction during dragging, is highly resistant to abrasion, and provides significantly improved chemical resistance compared to conventional hose constructions.
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