Apparatus for spinning of polyurethane elastic filaments

Details Apparatus for spinning of polyurethane elastic filaments Apparatus for spinning of polyurethane elastic filaments

1994-04-07

1996-03-19

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With means applying coating material to work or work contact...

Means contacting work downstream of shaping member

81512, 57332, 57333, 68200, 118420, 264103, 26417713, 2642103, 264232, 425377, 425404, 425 722, D01H 111, D06B 108

Patent

active

054999111

ABSTRACT:
There is disclosed an apparatus for spinning of polyurethane elastic filaments, which includes an improved means for application of a finishing agent and/or an improved means for false twisting. Each of the improved means has a groove through which a polyurethane elastic filament is allowed to pass, at which time a finishing agent is applied to the passing filament before its contact with any solid face of the apparatus.

REFERENCES:
patent: 2351110 (1944-06-01), Davidson et al.
patent: 2744563 (1956-05-01), Mennerich
patent: 2976177 (1961-03-01), Warthen
patent: 3099064 (1963-07-01), Haynes
patent: 3347208 (1967-10-01), Arridge
patent: 3840630 (1974-10-01), Yamada et al.
patent: 4019311 (1977-04-01), Schippers
patent: 4329750 (1982-05-01), Binnersley
patent: 4926661 (1990-05-01), Agers et al.

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