Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Light polarizing article or holographic article
Patent
1994-08-10
1996-10-22
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Light polarizing article or holographic article
264255, 264139, 264273, 2643288, 264245, 428137, 428916, 283108, 283904, B29C 4516, B42D 1510, G06K 1918
Patent
active
055673627
ABSTRACT:
The invention relates to a flat molding produced by the injection molding technique, in particular an identity card, chip card or the like, characterized in that it has different volume areas containing different plastic components and formed and disposed so as to be distinguishable from one another visually and/or by measuring technology.
REFERENCES:
patent: 2226408 (1940-12-01), Nast
patent: 2333059 (1943-10-01), Tucker
patent: 3031722 (1962-05-01), Gits
patent: 3363039 (1963-01-01), Nagai et al.
patent: 5030406 (1991-07-01), Sorensen
patent: 5045268 (1991-09-01), Sorensen
GAO Gesellschaft fur Automation und Organisation mbH
Heitbrink Jill L.
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