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Patent Searching and Data


Title:
METHOD OF ERASING IMAGE ON WRITING SHEET AND WRITING SHEET
Document Type and Number:
WIPO Patent Application WO/2020/218303
Kind Code:
A1
Abstract:
Provided is a writing sheet that is capable of suppressing the entry of foreign matter and makes it possible to erase an image in a short time. Provided also is a writing sheet capable of suppressing a decrease in stability of image recording in repeated use. A method for erasing an image (5) in a writing sheet (10) that has a first sheet (30) having a pressure-sensitive adhesive layer (37), and a second sheet (50) having a matte surface (52a) facing the pressure-sensitive adhesive layer (37), the image (5) being recorded in a close contact portion between the pressure-sensitive adhesive layer (37) and the matte surface (52a) as a result of the pressure-sensitive adhesive layer (37) and the matte surface (52a) being in close contact with each other, wherein the image (5) in the writing sheet (10) is removed by peeling the pressure-sensitive adhesive layer (37) and the matte surface (52a) from each other in the close contact portion by bending both the first sheet (30) and the second sheet (50).

Inventors:
WAKAGI ITARU (JP)
MURAKAMI KAZUHIRO (JP)
KOMATSU YASUSHI (JP)
MURAKATA SHINICHI (JP)
Application Number:
PCT/JP2020/017222
Publication Date:
October 29, 2020
Filing Date:
April 21, 2020
Export Citation:
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Assignee:
KK PILOT CORPORATION ALSO TRADING AS PILOT CORPORATION (JP)
International Classes:
B43L1/00
Foreign References:
FR2123812A51972-09-15
JPS5067947U1975-06-17
JP2010042618A2010-02-25
GB674760A1952-07-02
Attorney, Agent or Firm:
NAKAMURA Yukitaka et al. (JP)
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