Apparatus for cooling a melt strip of thermoplastic synthetic re

Details Apparatus for cooling a melt strip of thermoplastic synthetic re Apparatus for cooling a melt strip of thermoplastic synthetic re

1988-10-17

1990-03-13

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 24, 264216, 264237, 4251748E, 425224, B29C 7104

Patent

active

049081659

ABSTRACT:
An apparatus and method for cooling a melt strip from a wide-slot die includes a cooling roller driven at a predetermined angular velocity and juxtaposed with a corona-discharge electrode in the form of a rotation symmetrical rigid bar which is rotated about its axis at an angular velocity much greater than that of the cooling roller. The rotating corona-discharge electrode can be received in a nonrotatable insulating chamber having air inlets on a side opposite a slot-shaped outlet training ionized air onto the melt strip.

REFERENCES:
patent: 3686374 (1972-08-01), Hawkins
patent: 3779682 (1973-12-01), Huskey et al.
patent: 3796885 (1974-03-01), Shofner
patent: 3820929 (1974-06-01), Busby et al.
patent: 3898026 (1975-08-01), Sauer et al.
patent: 4059497 (1977-11-01), Kolbe et al.
patent: 4166089 (1979-08-01), De Geest et al.
patent: 4239973 (1980-12-01), Kolbe et al.

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