Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SURFACE PROTECTION SHEET
Document Type and Number:
WIPO Patent Application WO/2014/034579
Kind Code:
A1
Abstract:
Provided is a surface protection sheet wherein it is possible to inhibit "floating" or "peeling" from occurring between inner sheets and it is possible to easily peel off only the outer sheet when peeling off the outer sheet for the purpose of exposing the inner sheet. This surface protection sheet, in which n (n represents an integer of 2 or greater) layers of adhesive sheets having a base layer and an adhesive agent layer are laminated in the order of one to n, is characterized in that the adhesive agent layers of the first to (n-1)th adhesive sheets respectively come into contact with the base layers of the second to nth adhesive sheets, and the deflection amounts of the first to (n-1)th adhesive sheets are larger than the deflection amounts of the sides of second to nth adhesive sheets that respectively come into contact with the adhesive agent layer of the first to (n-1)th adhesive sheets.

Inventors:
DAIGAKU NORITSUGU (JP)
NAKANISHI TADATOSHI (JP)
JO SOUYA (JP)
SHITARA KOJI (JP)
Application Number:
PCT/JP2013/072645
Publication Date:
March 06, 2014
Filing Date:
August 26, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B32B27/00; C09J7/20; C09J133/06; C09J183/04
Foreign References:
JP2005271412A2005-10-06
JP2011246501A2011-12-08
JPS4933983A1974-03-28
JP2011256320A2011-12-22
JP2008201899A2008-09-04
JPH04185333A1992-07-02
JP2013030166A2013-02-07
Attorney, Agent or Firm:
GOTO, YUKIHISA (JP)
Yukihisa Goto (JP)
Download PDF: