Method and device for laminating layers of identification cards,

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

156311, 156498, 1565831, B29C 6500

Patent

active

053992237

ABSTRACT:
For laminating layers consisting at least in part of thermoplastic films, in particular for producing identification cards, or the like, carrying information and/or data, a method is proposed where the blank, after having been introduced between pressing dies, is initially subjected to the pressure and heat required for complete lamination of the blank. Heat dissipation is prevented during heating by the fact that cooling components are kept at a predetermined distance from the heating surfaces. During a subsequent transition from heating to cooling, the heating effect is terminated and cooling bodies are brought into contact with the pressing and heating components, for reducing the temperature of the completely laminated product.

REFERENCES:
patent: 2532501 (1950-12-01), Johnson
patent: 2874751 (1959-02-01), Norton
patent: 3681167 (1972-08-01), Moore
patent: 3769132 (1973-10-01), Cram
patent: 3879251 (1975-04-01), Ingham
patent: 4204822 (1980-05-01), Hewitt
patent: 4290838 (1981-09-01), Reavill et al.
patent: 4550057 (1985-10-01), Kataoka
patent: 4752204 (1988-06-01), Kataoka

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