1977-05-05
1979-01-23
Coan, James F.
53378, 93 441GT, B31B 152
Patent
active
041354397
ABSTRACT:
A carton bottom breaker for performing a prebreaking operation on the panels of a bottom closure structure of a coated paperboard carton mounted on a carton forming mandrel. A movable carrier member has a V-shaped breaker means fixed thereon which comprises a pair of outwardly sloping folder plates for operative engagement with the fold-over panels of the bottom closure of a carton. A spring biased V-shaped breaker plate member is movably mounted on the carrier member between the sloping folder plates in a plane transverse to the V-shape formed by the folder plates, and it is adapted to engage the fold-in panels of the bottom closure of a carton. A mandrel stop finger is carried by the V-shaped breaker plate member for abutment with the carton mandrel, in an off-center position, to prevent damage of the mandrel by engagement with the V-shaped breaker means and V-shaped breaker member.
REFERENCES:
patent: 3196760 (1965-07-01), Terry
patent: 3239995 (1966-03-01), Monroe et al.
patent: 3593625 (1971-07-01), Garrett et al.
Coan James F.
Ex-Cell-O Corporation
Hill Mitchell J.
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