Temporarily rigidifying soft materials

Details Temporarily rigidifying soft materials Temporarily rigidifying soft materials

1982-04-27

1983-11-15

Capossela, Ronald C.

Refrigeration

Automatic control

Refrigeration producer

62331, 62374, F25B 4104

Patent

active

044148194

ABSTRACT:
This invention relates to apparatus for temporarily rendering rigid a product of soft material of elongated form such as a rubber tube. In this apparatus, a tube of the product penetrates into a tunnel and issues therefrom after having been cooled by liquid nitrogen vaporized in an exchanger. A part of the nitrogen travels in counterflow and another predetermined part thereof travels in equidirectional flow towards a processing station.
The invention is particularly applicable to braiding or winding rubber tubes, but is not limited to this field of use.

REFERENCES:
patent: 3600901 (1971-08-01), Wagner
patent: 3670520 (1972-06-01), Bonteil
patent: 3738121 (1973-06-01), Swindell
patent: 3898863 (1975-08-01), Wagner
patent: 3932155 (1976-01-01), Pietrucha et al.
patent: 3953270 (1976-04-01), Ford
patent: 4090369 (1978-05-01), Le Diouron

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