Method of making laminated plastic cards

Details Method of making laminated plastic cards Method of making laminated plastic cards

1976-07-12

1978-06-20

Klein, David

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

40 22, 156277, 156300, 156309, 283 7, 428916, B29C 2704, B32B 3120

Patent

active

040960153

ABSTRACT:
At least one thermoplastic sheet is interposed between a pair of transparent thermoplastic cover sheets with a photograph interposed between the cover sheet and the thermoplastic sheet. The sheet assembly together with the photograph is pressed between a pair of flat electrodes of a high-frequency dielectric heating device. Then, the assembly is subjected to high-frequency dielectric heating.

REFERENCES:
patent: 2364870 (1944-12-01), Otto
patent: 3245697 (1966-04-01), Nugent
patent: 3413171 (1968-11-01), Hannon
patent: 3802101 (1974-04-01), Scantlin
patent: 3870344 (1975-03-01), Heller, Jr. et al.
patent: 3930924 (1976-01-01), Oka et al.
Castagna, E. G., High-Frequency Bonding: Part I, In Plastics Technology, vol. 10, pp. 32-36, Mar. 1964.

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