B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
317/3
B29D 7/01 (2006.01)
Patent
CA 1253914
TITLE Method And Apparatus For The Electrostatic Pinning Of Polymeric Webs ABSTRACT OF THE DISCLOSURE A method and apparatus for enhancing the electrostatic pinning force on a freshly cast, polymeric web by generating primary and secondary electric fields and localizing the flow of current in the secondary field at spaced points through the width of the web. This is achieved by providing conductive pins projecting from a secondary electrode toward a primary electrode.
483152
Dupont Teijin Films U.s. Limited Partnership
Mccallum Brooks & Co.
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