Ballooning action constraining ring

Details Ballooning action constraining ring Ballooning action constraining ring

1983-12-28

1985-12-03

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Strand guiding or guarding

D01H 142, D01H 718

Patent

active

045559007

ABSTRACT:
A ballooning action constraining ring is disclosed, with which at least the surface coming into contact with the thread is composed of a raw material that absorbs at least 15% by volume of lubricant, whereby the absorption of lubricant is concluded at the earliest after 15 minutes. The amount of lubricant absorbed after the 15 minutes should amount to at most 25 volume-%. The average hydrodynamic pore diameter of this raw material is between 5 and 25 .mu.m. A preferred raw material is wood. The constraining ring can display a thread slit, an oil groove or a lubricant canal and can be composed of several superposed individual rings or be formed from pliable wood or shaped into a helix.

REFERENCES:
patent: 3316703 (1967-05-01), McKelvie
patent: 3638415 (1972-02-01), Andrews
patent: 3979895 (1976-09-01), Ehrler et al.
patent: 4397143 (1983-08-01), Klein
patent: 4423590 (1984-01-01), Tsukamota et al.
Mellinand Textilberichte, 4/1979, pp. 297/298.
Chemiefasern/Textilindustrie, Aug. 1975, pp. 668-673.

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