Apparatus for applying adhesive to one side of a porous web

Details Apparatus for applying adhesive to one side of a porous web Apparatus for applying adhesive to one side of a porous web

1990-01-05

1993-07-27

Wityshyn, Michael G.

Coating apparatus

With vacuum or fluid pressure chamber

118 68, 118325, B05B 1500, B05C 908

Patent

active

052307360

ABSTRACT:
A method and apparatus for applying adhesive onto a porous web having opposed first and second sides, comprises at least one adhesive dispenser which applies adhesive in a first direction onto an adhesive application area located on the first side of the web. An air blower directs a stream of pressurized air through an opening in a plate over which the porous web passes so that the air stream contacts the second side of the porous web in an area opposite the adhesive application area. This prevents bleed-through of adhesive through the porous web without affecting the pattern of adhesive on the first side thereof.

REFERENCES:
patent: 2770216 (1956-11-01), Schock
patent: 3929097 (1975-12-01), Kanda et al.
patent: 3958532 (1976-05-01), Timson
patent: 4364801 (1982-12-01), Salama
patent: 4472461 (1984-09-01), Johnson
patent: 4607590 (1986-08-01), Pender
patent: 4793281 (1988-12-01), Dobbins et al.

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