Package making – Closing packages and filled receptacles – By means adapted to engage outturned seam of package cover
Patent
1981-07-27
1983-12-27
Coan, James F.
Package making
Closing packages and filled receptacles
By means adapted to engage outturned seam of package cover
493183, B65B 720
Patent
active
044222823
ABSTRACT:
A closing member for the carton front flap consists of a pair of substantially vertical rods constantly inserted in the path of advancement of said front flap. Another closing member for the carton rear flap consists of a rotatable shovel pivoted on one end of a rigid arm, which can be moved along a stationary guide. The guide is shaped in such a way as to cause a rotary-translatory movement of the arm from a rest position to a working position, in which the shovel engages the carton rear flap from behind. Suitable reacting means cause the shovel to rotate from an inclined rest position to a horizontal working position at the end of said movement of the arm.
REFERENCES:
patent: 3302367 (1967-02-01), Talarico
patent: 3505774 (1970-04-01), Gidge
patent: 3775937 (1973-12-01), Devan et al.
patent: 4218862 (1980-08-01), Marchetti
patent: 4262468 (1981-04-01), Marchetti
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