Flaps closer apparatus

Details Flaps closer apparatus Flaps closer apparatus

2007-05-14

2009-08-11

Durand, Paul R (Department: 3721)

Package making

Closing packages and filled receptacles

Package or receptacle having closure flap, e.g., carton...

C053S376400, C493S183000

Reexamination Certificate

active

07571587

ABSTRACT:
A flaps closing apparatus for closing full flap boxes is provided. The apparatus includes a flaps closing assembly with a first brake mechanism and closing bars with a second brake mechanism. The first brake mechanism controls the vertical motion of the flaps closing assembly with respect to the flaps closing apparatus. The second brake mechanism holds the closing bars in an angled configuration and at a first predetermined vertical position permits the bars to pivot to a horizontal configuration. A flap sealing assembly includes a pair of compression plates positioned outside the flaps closing assembly. A compression plate actuating mechanism draws the compression plates inwardly to urge side flaps of the full flap box into contact with sides of the full flap box at a second predetermined vertical position. A vertical movement mechanism lowers and raises the apparatus.

REFERENCES:
patent: 3397509 (1968-08-01), Ullman
patent: 4524560 (1985-06-01), Goodman
patent: 4673381 (1987-06-01), Yamamoto et al.

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