Doubling machine

Details Doubling machine Doubling machine

1986-09-03

1987-09-15

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Delivery twist type

57 1R, 57304, 57308, 242128, D01H 116, D01H 718, D01H 1328

Patent

active

046930698

ABSTRACT:
A heat-insulating jacket extends around each rotating can of a doubling machine. Half way up the height of the can envelope surface, an extraction line for extracting the air heated by friction as the can rotates extends into the interior between the jacket and the can. The end-face boundaries of the rotating can and/or top and bottom closure members of the jacket are such that the pressures of the air drawn into the jacket are at least substantially equal at the top and at the bottom.

REFERENCES:
patent: 4129979 (1978-12-01), Hamel

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