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Title:
同時押出型出しフィルム、およびそのフィルムの製造方法
Document Type and Number:
Japanese Patent JP2008501560
Kind Code:
A
Abstract:
A nonplanar, thermoplastic polymeric film having a top surface, a bottom surface, a midline, and a series of peaks and valleys oscillating around the midline and forming continuous ridges in a first direction on both the top surface and the bottom surface of the film. The nonplanar, thermoplastic polymeric film has two or more polymer layers with at least one polymer layer partitioned disproportionally in the peaks such that at least two of the two or more polymer layers vary in thickness across the width of the nonplanar, thermoplastic polymeric film.

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Inventors:
Authen, Ronald W.
Benny, Janet A.
Seth, jay shree
Application Number:
JP2007527279A
Publication Date:
January 24, 2008
Filing Date:
May 06, 2005
Export Citation:
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Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
B29C48/08; B29C48/21; B29C48/30; B29C48/305; B29C48/495; B29C35/02; B29C55/02; B29C55/06; B29L7/00; B29L9/00
Domestic Patent References:
JPH0220583A1990-01-24
JP2004505810A2004-02-26
JP2002526288A2002-08-20
Foreign References:
DE29514350U11995-11-16
DE1660230A11971-04-29
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami



 
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