POLYAMIDE RESIN FILM ROLL, AND PRODUCTION METHOD THEREFOR

WIPO Patent Application WO/2005/118262

A1

[PROBLEMS] A biaxially oriented polyamide resin roll film capable of smooth and good-yield bag-making by laminating and efficiently producing S-curl-free package. [MEANS FOR SOLVING PROBLEMS] A polyamide resin film roll which is provided with a first sample cutout portion within 2 m of the film rolling end and the last cutout portion within 2 m of the film rolling start, and which is adjusted such that, when sample cutout portions are provided about every 100 m from the first sample cutout portion, the physical properties such as priming shrinkage percentage and thickness-direction refractive index of all samples cut out from respective cutout portions fall within specified ranges of variation widths.

NISHI TADASHI (JP)
MIYAGUCHI YOSHINORI (JP)
ODA NAONOBU (JP)
KOMEDA SHIGERU (JP)
NOSE KATSUHIKO (JP)

PCT/JP2005/010185

December 15, 2005

June 02, 2005

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TOYO BOSEKI (JP)
NISHI TADASHI (JP)
MIYAGUCHI YOSHINORI (JP)
ODA NAONOBU (JP)
KOMEDA SHIGERU (JP)
NOSE KATSUHIKO (JP)

B32B27/32; B29C31/04; B29C48/08; B29C48/30; B29C55/12; B29C55/14; B29C61/06; B29C69/00; B65D30/02; B65D65/38; C08J5/18; B29C48/91; B29K23/00; B29K77/00; B29L7/00; B29L9/00; (IPC1-7): B29C61/06; B29C31/04; B29C55/14

JPH08174663A	1996-07-09
JP2003170494A	2003-06-17
JP2001239578A	2001-09-04
JPH07290565A	1995-11-07
JP2002029014A	2002-01-29
JP3671978B1	2005-07-13
JPH04103335A	1992-04-06
JPH08174663A	1996-07-09
EP0927624A2	1999-07-07

See also references of EP 1754588A4

Ishida, Yoshiki (Higashisakura 1-chome Higashi-ku, Nagoya-shi Aichi 05, JP)

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