Title:
ROLL FILM AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP2000108228
Kind Code:
A
Abstract:
To sufficiently prevent blocking from generating.
A roll film is provided with a base film 11, a coated layer 12 formed at least one side of the base film 11 and blocking preventing films 13 provided on both ends of the base film 11. The blocking preventing films 13 are plastic films having a width of 5-20 mm, a thickness of 4-25 μm and a surface roughness Rz of 0.3-5 μm, and are provided on both ends of the base film 11 within 30 mm from each end thereof.
Inventors:
TOMIZAWA NOBUYUKI
Application Number:
JP28395998A
Publication Date:
April 18, 2000
Filing Date:
October 06, 1998
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
C08J5/18; B32B3/08; (IPC1-7): B32B3/08
Attorney, Agent or Firm:
Hisao Kamata
Previous Patent: MANUFACTURE OF PAPER-MADE BUFFER MATERIAL
Next Patent: GLASSY AGGREGATE-MOUNTED SHEET AND ITS MANUFACTURE
Next Patent: GLASSY AGGREGATE-MOUNTED SHEET AND ITS MANUFACTURE