Device for applying adhesive on to sheets of packing material

Details Device for applying adhesive on to sheets of packing material Device for applying adhesive on to sheets of packing material

1987-08-03

1989-09-12

Lesmes, George F.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

118231, 118249, 156571, 156578, 156DIG31, 156DIG35, B65C 914, B65C 922

Patent

active

048656798

ABSTRACT:
A gumming device for applying adhesive on to cardboard blanks on a packing machine, on which the blanks are fed crosswise in relation to their longer axis by a suction roller the surface of which presents transverse projections which cause the blanks to flex in such a manner as to expose only given portions requiring adhesive to the action of a gumming element substantially tangent to the aforementioned suction roller.

REFERENCES:
patent: 3791904 (1974-02-01), Schlacht
patent: 4632721 (1986-12-01), Hoffmann
patent: 4710257 (1987-12-01), Mattei et al.
patent: 4724036 (1988-02-01), Hill et al.

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