Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Female mold type means
Patent
1987-07-31
1988-11-29
Hoag, Willard
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Female mold type means
425503, 425504, 425522, B29C 4924
Patent
active
047878339
ABSTRACT:
In the making of a hollow plastic articles wherein a label is positioned in each of a plurality of spaced partible molds in a predetermined array, a preform is positioned in each set of partible molds and the molds are closed and the preform is blown outwardly to the confines of the mold to apply the label to the resultant hollow plastic article, the apparatus for indexing an endless conveyor in precise increments for receiving longitudinally spaced labels providing an array of labels which are thereafter simultaneously removed from the endless conveyor and delivered between the open partible molds which comprises a fixed conveyor gripper in a first position, a second conveyor gripper mounted for movement longitudinally of the belt and means for individually controlling the gripping of the first gripper and second gripper such that the second gripper can be actuated to engage the conveyor while the first gripper is disengaged and the second gripper can be moved longitudinally to thereby move the conveyor a predetermined distance, the first gripper can then be engaged with the conveyor and the second gripper released and returned to its original position for moving the conveyor in successive and predetermined increments for precise positioning of successive labels on the conveyor.
REFERENCES:
patent: 3684418 (1972-08-01), Langecker
patent: 4636166 (1987-01-01), Franks et al.
patent: 4679997 (1987-07-01), Plenzler et al.
patent: 4680000 (1987-07-01), Nowicki et al.
Hoag Willard
Owens-Illinois Plastic Products Inc.
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