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JPS585226A Expired / Lapsed JP ⏱️ 0.0 years remaining

Thin film

Assignee: Toppan Inc
•
Filing: 1981-07-02
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Granted: —
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Expires: 2001-07-02
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Abstract

Abstract PURPOSE:To produce a thermoplastic resin thin film, by laminating and extruding thermoplastic resins comprising two or more releasable layers by co-extrusion method, and thereafter removing one of them. CONSTITUTION:In the method wherein thermoplastic resins comprising at least two releasable layers are laminated and extruded by co-extrusion method, and thereafter one of them is removed to obtain a thin film, the thermoplastic resins comprising at least two releasable layers are laminated and extruded by co- extrusion method, and are uniaxially stretched, and thereafter one of them is removed. Thus, a thin film excellent in the uniformness of thickness can be obtained.

Inventors

  • 👤 Nobuyoshi Fukuda
  • 👤 福田 信義
  • 👤 Yuji Komiya
  • 👤 小宮 優治

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-09 06:12
CPC Classifications
B; B29; B29D; B29D7/00; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/09; B29C48/10; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/305; B29C48/307; B29C48/32; B29C48/335; B29C48/337; B29L; B29L2009/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

JPS5130862A Cited
JPS5237982A Cited

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