Case sealer for sealing the bottom flaps of erected and squared

Details Case sealer for sealing the bottom flaps of erected and squared Case sealer for sealing the bottom flaps of erected and squared

1974-10-29

1976-04-06

Coan, James E.

53387, B31B 162, B31B 374

Patent

active

039481514

ABSTRACT:
A sealer characterized by a case erecting station at which pre-scored case blanks are erected into open-top cases having a squared configuration, a case sealing station disposed in spaced relation with said case erecting station, an intermittently operable conveyor for serially advancing erected cases from the case erecting station to the case sealing station, pivotal brake shoes for maintaining each of said cases in a squared configuration at the case sealing station, and a pressure applicator including a ram-actuated pressure plate for impacting against the flaps of each of said cases while the cases are maintained in a squared configuration by said shoes.

REFERENCES:
patent: 1442727 (1923-01-01), MacGowan
patent: 3312154 (1967-04-01), Pierce
patent: 3473447 (1969-10-01), Ullman et al.
patent: 3482489 (1969-12-01), Neal et al.
patent: 3608440 (1971-09-01), Reichert et al.
patent: 3792563 (1974-02-01), Mercer et al.

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