Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1993-02-26
1995-05-02
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
178 18, 178 19, B32B 900
Patent
active
054117909
ABSTRACT:
A signal input sheet having a cover film made of a soft material at its surface, its repetitive writing durability is improved to obtain a signal input sheet having a good feeling and writing condition, and a high durability. A hard film layer 18 harder than a sheet 10 and cover film 15 is set between the sheet 10 made of a soft material and the cover film 15 located at the upper side and slightly harder than the sheet.
REFERENCES:
patent: 4636582 (1987-01-01), Moriwaki et al.
Kagami Yasuo
Nouno Youzou
Ogawa Kiichiro
Yamada Hiroshi
Lee Kam F.
Ryan Patrick J.
Toppan Moore Co., Ltd.
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