Method for making corrugated hose

Details Method for making corrugated hose Method for making corrugated hose

1978-02-27

1980-01-08

Silbaugh, Jan H.

Metal working

Method of mechanical manufacture

Assembling or joining

29456, 264506, B23P 1102, B29C 1707, B29D 2318

Patent

active

041820193

ABSTRACT:
The method of manufacturing an improved collapse-resistant corrugated hose of flexible elastomeric material including a tubular structure which preferably includes a single layer of textile reinforcement which may be of a knit construction. The tubular structure is formed to an outside diameter essentially that of the maximum diameter of the mold cavity then placed therein and vulcanized under heat and pressure to mold form cylindrical end portions and a corrugated central portion. A preformed wire insert is then placed in the troughs of the internal corrugations to provide resistance against collapsing when the hose is subjected to a vacuum or bending. The hose is particularly useful in automotive vehicle cooling systems.

REFERENCES:
patent: Re27675 (1973-06-01), Pacciarini et al.
patent: 2788804 (1957-04-01), Larkin
patent: 2837121 (1958-06-01), Roberts
patent: 2897840 (1959-08-01), Roberts et al.
patent: 2967563 (1961-01-01), Huff et al.
patent: 3495494 (1970-02-01), Scott

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