Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Patent
1978-12-19
1980-08-26
Hoag, W. E.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Layered, stratified traversely of length, or multiphase...
29460, 264174, 264229, 264254, 264255, 264266, 264271, 264279, 264280, 264322, B29C 1700, B29D 2305
Patent
active
042195225
ABSTRACT:
A method of manufacturing reinforced plastic hoses comprising extruding and shaping plastic material into a plastic tube which is provided around its outer surface with a serrated portion, heating said plastic tube so as to soften said serrated portion, and covering the outer surface of said plastic tube with a reinforcing layer.
REFERENCES:
patent: 3021245 (1962-02-01), Roberts et al.
patent: 3701702 (1972-10-01), Schichman et al.
patent: 4091063 (1978-05-01), Logan
patent: 4102955 (1978-07-01), Baker et al.
Bridgestone Tire Company Limited
Hoag W. E.
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