Method of applying adhesive coated film
Assignee3M Innovative Properties Company
InventorsRonald S. Steelman, John R. David
Life of this patent
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Abstract
An adhesive-applying method is disclosed herein. The method comprises: providing a film comprising pressure sensitive adhesive coated on a major surface thereof; heating the film to a softening point of the film; and pressing the film against a substrate with an application device, the application device comprising a film-contacting portion, the film-contacting portion comprising a foam material and having a thermal conductivity of less than 1.8 BTU in/(hr ft2° F.); wherein the pressure sensitive adhesive on the major surface of the film adheres to the substrate. Application devices and kits that may be used in conjunction with the method are also disclosed herein.
Claims12
A method of applying a film having a pressure sensitive adhesive on a major side thereof to a concrete, cement block, stucco, or brick substrate having an irregular surface, the method comprising:
- heating a portion of the film with a heat source adapted to apply air heated to about 200° C. to about 400° C. to the portion of the film until the portion of the film softens, to form a heated portion of the film;
- pressing the heated portion of the film against the substrate with an application device, the application device comprising a film-contacting portion comprising an open cell foam material having a uniform surface structure and a thermal conductivity of less than 1.8 BTU in/(hr ft2° F.);
- and
- wherein the pressure sensitive adhesive on the major surface of the film associated with said pressing adheres to the irregular surface of the substrate in a single pressing.
Dependencies are inferred from the claim text.