Patent
1979-01-19
1980-09-09
Coan, James F.
93 441R, B31B 132
Patent
active
042211620
ABSTRACT:
A carton bottom end tucker-tacker assembly for folding over, closing and tacking the bottom ends of a pair of cartons mounted on a pair of mandrels on a packaging machine. The tucker-tacker apparatus includes a tucker means for engaging a pair of opposed triangular bottom end closure members on the bottom ends of a pair of cartons and breaking the bottom end closure members and folding them inwardly toward a closed position, after which the tucker apparatus recedes and a pair of swingably mounted tucker and tacker jaws then move under the partially closed bottom end members of the pair of cartons and complete the folding and tucking operations, and concluding with a tacking in place of the bottom end closure tuck-over panel to retain the bottom end closure members in a square condition for subsequent transferral to a carton bottom end pressure sealing operation. The tucker jaw and the tacker jaw are each water cooled, and they are adapted to be operated by the same power drive means as used to operate the tucker apparatus. In one embodiment the tucker apparatus comprises a vertically disposed plate with a pair of recesses having angled sides for simultaneously engaging the bottom ends of a pair of adjacently disposed cartons for a breaking and partial forming operation on the carbon bottom end closure members. In another embodiment, the last described tucking operation is carried out by two pairs of oscillatable tucker blades which are movable between operative and inoperative positions by the same power drive means that is used in the first embodiment.
REFERENCES:
patent: 3212413 (1965-10-01), Allen et al.
patent: 3248841 (1966-05-01), Heffelfinger et al.
patent: 3350837 (1967-11-01), Hagerborg
patent: 3593625 (1971-07-01), Garrett
patent: 3845607 (1974-11-01), Farfaglia
patent: 3943834 (1976-03-01), Vetten
Allen Robert J.
Kauffman Ivan L.
Coan James F.
Ex-Cell-O Corporation
Mentag Robert G.
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