Device for transporting hollow plastic blow moldings

Details Device for transporting hollow plastic blow moldings Device for transporting hollow plastic blow moldings

1977-10-11

1979-05-15

Paperner, L. J.

Material or article handling

Device for emptying portable receptacle

Nongravity type

294 87R, 294 95, 414753, B25J 1502

Patent

active

041543505

ABSTRACT:
A device is provided for transporting hollow plastic blow moldings having at least one opening thereinto which device is particularly useful for removing hollow moldings from the cavities of blow molds. The device includes at least one gripper unit supported for axial movement toward and away from a blow mold, which unit has gripping means movable between a normal, retracted position and an expanded position. The gripping means are insertable within the opening of a hollow molding disposed in the mold cavity and are expanded to engage and grip the interior walls thereof. The device also includes means for adjusting the degree of expansion of the gripping means to ensure precise position control and to minimize damage to the hollow molding during gripping and transport.

REFERENCES:
patent: 1822432 (1931-09-01), Bradley
patent: 2953407 (1960-09-01), Cella
patent: 3412872 (1968-11-01), Cookson
patent: 3601261 (1971-08-01), Michot

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