Method of removing indicia from a support

Details Method of removing indicia from a support Method of removing indicia from a support

1990-02-02

1991-02-12

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

40594, 40620, 156584, B32B 3116

Patent

active

049921312

ABSTRACT:
A method of removing indicia from an underlying support is disclosed including the steps of placing a plastic sheet over the underlying indicia and heating the plastic sheet at positions corresponding to the indicia. As the plastic sheet is heated, the outline of the indicia begins to show through the sheet giving a visual indication to an operator when sufficient heat has been applied. The edges of the plastic sheet are not heated and can be easily peeled away from the underlying support to remove the indicia. The method disclosed in this application results in significant time saving from prior art methods that involve scraping or chemical processes.

REFERENCES:
patent: 4654101 (1987-03-01), Kane
patent: 4690724 (1987-09-01), Outlaw
patent: 4746388 (1988-05-01), Inaba et al.

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