Top end flap sealer

Details Top end flap sealer Top end flap sealer

1981-12-14

1984-10-02

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493144, 493151, 493168, 493183, B31B 152

Patent

active

044745630

ABSTRACT:
Method and apparatus for sealing top end flaps of cartons into engagement with the inner walls of the cartons comprising a horizontal support plate, a first pair of juxtaposed parallel axes rollers mounted adjacent one end of the plate, a second pair of juxtaposed parallel axes with all the rollers having their axes rollers mounted adjacent the other end of the plate, with all the rollers having their axes lying in a common horizontal plane and means for vertical reciprocating support plate. After glue is applied to the inside of the top end flaps and walls of the carton the rollers are moved into engagement with the end flaps and carton walls to seal them together.

REFERENCES:
patent: 2426115 (1941-08-01), Nydegger
patent: 2820403 (1958-01-01), Plough et al.
patent: 2846929 (1958-08-01), Hickin
patent: 3741084 (1973-06-01), Lindstrom
patent: 3800681 (1974-04-01), Corderoy
patent: 3913466 (1975-10-01), Bayer et al.

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