Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1984-11-15
1989-05-02
Mackey, Robert R.
Textiles: manufacturing
Thread finishing
Surface modification of running length
28245, D02J 108, D02J 122
Patent
active
048255173
ABSTRACT:
Spin-drawing apparatus for simultaneously drawing and optionally entangling one or more yarn ends. The apparatus comprises three pairs of heated cylindrical rolls which provide for two stages of yarn drafting, the first two pairs of rolls being inclined at an acute angle to a vertical plane and being generally mutually parallel, and the third pair of rolls being generally perpendicular to the vertical plane. The yarn ends are (a) initially directed to the inner ends of the first pair of rolls, (b) directed from the outer ends of the first pair of rolls to the inner ends of the second pair of rolls, (c) directed from the outer ends of the second pair of rolls to the inner ends of the third pair of rolls, (d) directed from the outer ends of the third pair of rolls through optional corresponding yarn entanglers, and (e) directed from the optional yarn entanglers to corresponding yarn packages. The arrangement of the three pairs of rolls and the associated winding apparatus results in an extremely compact configuration adapted for use in restricted existing work spaces.
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patent: 2962793 (1960-12-01), Powers et al.
patent: 3069745 (1962-12-01), Schippers
patent: 3114999 (1963-12-01), Coggeshall
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patent: 3766614 (1973-10-01), Coats et al.
patent: 3801242 (1974-04-01), Bauch
patent: 3890422 (1975-06-01), Livingston
Mackey Robert R.
Phillips Petroleum Company
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