Method of making a line-shaped opening in a coating on a plastic

Details Method of making a line-shaped opening in a coating on a plastic Method of making a line-shaped opening in a coating on a plastic

1977-12-27

1980-09-30

Drummond, Douglas J.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

29832, 427125, 427289, 427276, 427277, 264154, 83875, 83171, 156268, B05D 512, B41M 308, B32B 3100

Patent

active

042256330

ABSTRACT:
A method of applying a line-shaped opening in a coating on a plastics foil, in which a part 3 having a pointed end is moved according to a line 4 in contact with the coating 2, while the temperature of the part 3 lies in the melting range of the foil 1 and the pressure exerted on the part 3 together with the rate of movement of the part 3 is such that the coating 2 with a portion of the subjacent foil 1, considered in thickness direction, is cut through according to the line 4.

REFERENCES:
patent: 1674047 (1928-06-01), Bombard et al.
patent: 2383567 (1945-08-01), Rudnick
patent: 2427144 (1947-09-01), Jansen
patent: 2911605 (1959-11-01), Wales
patent: 3469479 (1969-09-01), Calemard
patent: 3555950 (1971-01-01), Gijsbers
patent: 3578538 (1971-05-01), Prosser et al.
patent: 3699644 (1972-10-01), Cocca
patent: 3823333 (1974-07-01), Spierings
patent: 3874075 (1975-04-01), Lohse
patent: 3967144 (1976-06-01), Francisus
patent: 4081653 (1978-03-01), Koo

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