Article dispensing – With discharge assistant – Reciprocating
Patent
1975-10-14
1977-06-21
Paperner, L. J.
Article dispensing
With discharge assistant
Reciprocating
53157, 221 93, 214 8, B65G 5716
Patent
active
040306194
ABSTRACT:
A stacking and interleafing device for rolls of pressure sensitive adhesive tape has an inclined table adapted to hold a row of the rolls carried in a spaced relationship on a mandrel. The table supports a plurality of upright, parallel plates that separate the adjacent rolls. The plates maintain the rolls in a spaced apart relationship as the mandrel is drawn clear of the rolls and as they advance down the incline. An escapement mechanism mounted over the table successively transfers one row of stripped rolls from a storage portion of the table to a feeder portion of the table subtended by a movable drop-off mechanism. Translation of the drop-off mechanism gravity feeds the rolls, one at a time, and without contact between the rolls, to a conveyor system. A reciprocating shuttle plate receives the rolls from the conveyor system and successively carries each roll to a mandrel mounted on a rotatable stack forming arm. As the shuttle returns to receive another roll, the preceding roll drops onto the mandrel. Suction ports located on the underside of the shuttle strips a release liner from a supply magazine and carries it with the roll to the stacking mandrel. When the shuttle positions the roll and the release liner over the mandrel, a valve arrangement releases the vacuum and the release liner drops onto the mandrel thereby interleafing with the rolls as they are stacked. When a predetermined number of rolls are stacked and interleafed, the rotatable arm indexes to bring an empty mandrel in the stack forming or "load" position. At the same time, the stacked mandrel is carried to an "unload" position. A fork lift elevator and associated stack handling devices remove the stack from the mandrel in the unload position and convey it to a packer.
REFERENCES:
patent: 1941992 (1934-01-01), Makenny
patent: 2313500 (1943-03-01), Anderson
patent: 2350273 (1944-05-01), Decker
patent: 3195444 (1965-07-01), McLean
patent: 3246799 (1966-04-01), Davis
patent: 3424294 (1969-01-01), Felstehausen
patent: 3545632 (1970-12-01), Cooper
Nashua Corporation
Paperner L. J.
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