Title:
PACKAGING SHEET AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2009120218
Kind Code:
A
Abstract:
To provide a packaging sheet capable of preventing the dew condensation of steam in the packaging sheet, free from a problem of mixing dust or the like therein, and having excellent printability.
The packaging sheet having a resin layer has a plurality of recessed parts not penetrating through the resin layer on one side of the resin layer. Steam permeability conforming to JIS K7129 of the packaging sheet is preferably 30-300 g/m2 day atm at a temperature of 40C and a relative humidity of 90%.
Inventors:
Suzuki, Yasuhiro
Fujikawa, Masaji
Fujikawa, Masaji
Application Number:
JP2007000294766
Publication Date:
June 04, 2009
Filing Date:
November 13, 2007
Export Citation:
Assignee:
DAIO PAPER CORP
International Classes:
B65D65/40; B32B3/30; B31F1/07; B65D65/40; B32B3/30; B31F1/00