Process for providing the surface of a film made from a weldable

Details Process for providing the surface of a film made from a weldable Process for providing the surface of a film made from a weldable

1991-03-05

1991-12-24

Pianalto, Bernard D.

Coating processes

Solid particles or fibers applied

427195, 427197, 427322, 427422, B05D 112

Patent

active

050751352

ABSTRACT:
A process for providing the surface of a film made from a weldable polymer material with projections. The projections are formed by particles which are applied, in particular sprayed, in the molten state onto the film surface. The welding factor is preferably significantly below 1.

REFERENCES:
patent: 2793136 (1957-05-01), Root
patent: 3973059 (1976-08-01), Brown et al.
patent: 4278483 (1981-07-01), Mansolillo
patent: 4623589 (1986-11-01), Simmonds

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