Post-press embossing of a consolidated man-made board

Details Post-press embossing of a consolidated man-made board Post-press embossing of a consolidated man-made board

1974-12-30

1977-02-08

Van Horn, Charles E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 622, 156219, 156312, 156323, 264119, 264120, 264123, 428171, 428236, 428301, B29J 504, B31F 100

Patent

active

040070760

ABSTRACT:
A consolidated man-made board, such as hardboard, is wetted on one surface and thereafter embossed with a contoured embossing plate at a pressure of at least about 1000 p.s.i., at a temperature in the range of about 400.degree.-550.degree. F. and for a period of time sufficient to permanently re-shape the surface of the consolidated board.

REFERENCES:
patent: 1936183 (1933-11-01), Beiger
patent: 2803188 (1957-08-01), Duvall
patent: 3621897 (1971-11-01), Vazzola et al.
patent: 3679790 (1972-07-01), Alfsen
patent: 3718536 (1973-02-01), Downs et al.
patent: 3723220 (1973-03-01), Scher et al.
patent: 3758357 (1973-09-01), Akerson et al.
patent: 3761338 (1973-09-01), Ungar et al.
patent: 3788929 (1974-01-01), Huttunen
patent: 3880975 (1975-04-01), Lundmark

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