Coating processes – Spraying – Moving the base
Patent
1989-08-25
1991-05-14
Morgenstern, Norman
Coating processes
Spraying
Moving the base
118314, 118315, 118325, 34 23, 34 33, 34148, 34152, 4273722, 4273983, B05D 102
Patent
active
050155083
ABSTRACT:
Following the application of plastic extrudate to transmission medium being moved along a path of travel to provide an insulative covering, the covered medium is moved through a cooling medium and then through an air wipe device (20). The air wipe device, which is effective to remove any of the cooling medium remaining on an outer surface of the cover, comprises a helically extending manifold (42). Spaced along inner surfaces (51, 52) of the manifold are a plurality of sets of orifices (50--50) from which air is directed into engagement with the moving transmission medium. Each set of orifices is arranged to direct streams of air toward the path of travel and hence into engagement with the transmission medium in a manner such that cooling medium is removed from the entire outer surface of the transmission medium. Also each set of orifices is such that the air which is directed toward the moving transmission media does not reengage the air wipe device. A plurality of single orifices (60--60) alternate with the sets of orifices and cooperate with the sets to maintain the transmission medium disposed along the path of travel substantially adjacent to the focal point of the streams of air from each set of orifices.
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AT&T Bell Laboratories
Morgenstern Norman
Owens Terry J.
Somers E. W.
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