Postcard and its manufacturing method

Printed matter – Having revealable concealed information – fraud preventer or... – By removeable material

Patent

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Details

283105, 283901, 283903, B42D 1500

Patent

active

050004859

ABSTRACT:
A postcard includes a postcard material and a label covering at least part of the postcard material, and the label in turn, includes a top material at least partly opaque, an inter-layer peel ply formed on the principal surface of the top material, and an adhesive layer formed on the principal surface of the inter-layer peel ply. With this postcard the top material of the label can be easily peeled off the postcard material in the part where the inter-layer peel ply is formed. Secret information shown on the principal surface of the postcard material is visible when the top material is peeled off the postcard material.

REFERENCES:
patent: 3854229 (1974-12-01), Morgan
patent: 3891242 (1975-06-01), Arnold et al.
patent: 3900219 (1975-08-01), D'Amato et al.
patent: 3930673 (1976-01-01), Sanden
patent: 4273362 (1981-06-01), Carrier et al.
patent: 4674771 (1987-06-01), Thompson, II
patent: 4872707 (1989-10-01), de Bruin

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