Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1991-10-03
1992-09-08
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
156149, 15624413, 264255, B29C 6306, B32B 108
Patent
active
051456281
ABSTRACT:
The invention relates to a process for manufacturing a hose including a layer of ultra-high molecular weight polyethylene on at least the inside or the outside, which layer is directly bonded to an elastomeric layer, the layer of polyethylene being provided by folding an oblong polyethylene film to form an oblong tube with an overlapping seam in its longitudinal direction, resulting in a hose fit for uses, even at low temperatures, in which the inside and/or the outside of the hose are/is exposed to the action of chemical substances and/or of substances having a strongly abrasive action.
REFERENCES:
patent: 3899378 (1975-08-01), Wragg et al.
patent: 4099425 (1978-07-01), Moore
patent: 4158033 (1979-06-01), Stefano et al.
patent: 4211595 (1980-07-01), Samour
patent: 4238260 (1980-12-01), Washkewicz
patent: 4501632 (1985-02-01), Landgraf
patent: 4654096 (1987-03-01), Jant et al.
patent: 4938820 (1990-07-01), McMills
Modern Plastics Encyclopedia, (1981-1982), p. 70.
Karg Rudolph
Kirschbaum Robert
Nguyen Khanh P.
Woo Jay H.
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