Method and apparatus for manufacturing a product comprising a su

Details Method and apparatus for manufacturing a product comprising a su Method and apparatus for manufacturing a product comprising a su

1993-08-31

1995-08-22

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156358, 156498, 156529, 156548, 156549, 156578, B32B 3100

Patent

active

054436788

ABSTRACT:
The process relates to the production of a product consisting of a substrate to which an adhesive with long-term effect and a protective band are attached to permit use of the adhesive to be deferred. The process is characterized by the use of a substrate whose surface to which the adhesive is attached may present irregularities. The adhesive is heated to a temperature at which is becomes paste-like and almost liquid, and is brought to an opening situated above a plane surface on which the substrate has been placed. The adhesive is then caused to flow simultaneously with a relative movement between the substrate and the opening. This results in the adhesive being deposited on the substrate as a strand that is preferably continuous. The temperature of the adhesive is then lowered in order to increase its viscosity until it becomes paste-like to the point of turning solid. Pressure is thereafter applied to the paste, like adhesive, preferably with the imposition of a protective strip, in order to cause spreading of and to cover the strand along its full length. Finally, the resultant product may be cut to produce a substrate having an adhesive strip thereon and a detachable protection band covering the adhesive strip.

REFERENCES:
patent: 2051319 (1936-08-01), Sieg
patent: 2980159 (1961-04-01), Greene
patent: 3728985 (1973-04-01), Dunlap et al.
patent: 4049485 (1977-09-01), Iverson
patent: 4179325 (1979-12-01), Staats et al.
patent: 4314868 (1982-02-01), Hirakawa et al.
patent: 4531996 (1985-07-01), Sukenik
patent: 4806183 (1989-02-01), Williams

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