Sealed letter

Details Sealed letter Sealed letter

B - Operations, Transporting

65

D

154/119, 220/23

B65D 27/04 (2006.01) B42D 15/04 (2006.01) B42D 15/08 (2006.01) B65D 27/00 (2006.01) B65D 75/20 (2006.01) B65D 75/30 (2006.01)

Patent

CA 1267386

ABSTRACT OF THE DISCLOSURE A sealed letter in which a document on which an address and other descriptive matter are printed is covered, on its front surface, with a front sheet made of transparent paper laminated, at least on its internal surface, with a transparent and thermally adhesive synthetic resin film, said document being covered on its rear surface with a rear sheet made of a paper material, the front sheet and the rear sheet being adhered together by heat at their peripheral portions to form an enclosed sealed portion.

528186

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