Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1985-05-16
1986-12-16
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
156233, 156235, 156239, 156240, 428201, 428206, 428207, 428209, 428692, 428913, 428914, 428915, 428916, B32B 300
Patent
active
046296476
ABSTRACT:
An embossing foil includes a signing layer which can be written upon, in conjunction with a layer having a structure giving an optical diffraction effect such as a hologram. The signing layer may be clear in the region over the diffraction structure or alternatively the signing layer, over the diffraction structure, may be of a patterned or grid configuration defining openings through which the structure therebeneath can be viewed. The foil may also include a magnetic layer for the storage of variable data which can be readily accessed.
REFERENCES:
patent: 4223057 (1980-09-01), Rejto
patent: 4463034 (1984-07-01), Tokunaga et al.
patent: 4503110 (1985-03-01), Skene
Leonhard Kurz GmbH & Co.
Lesmes George F.
Marn Louis E.
Schwartz P. R.
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