Method for applying labels to blow molded articles

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Labeling or embossing indicia

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Details

4251261, 425504, 425540, 156521, 156566, 156261, B29C 4322

Patent

active

048531693

ABSTRACT:
In the method of making hollow plastic articles wherein a label is positioned in each of a plurality of spaced partible molds in a predetermined array, preforms are positioned in each set of partible molds and the molds are closed and the preforms are blown outwardly to the confines of the molds to apply the label to the resultant hollow plastic article, the method which comprises providing labels on a roll of labels, successively die cutting the labels from the web of the roll and simultaneously delivering each label directly to an endless vacuum conveyor, indexing the endless vacuum conveyor to provide an array of labels on the conveyor which corresponds in spacing to the spacing of the array of molds, engaging the array of labels on the conveyor and removing them from the conveyor and depositing the array of labels in the array of molds.

REFERENCES:
patent: 3915785 (1975-10-01), Muller
patent: 4332635 (1982-06-01), Holbrook et al.
patent: 4636166 (1987-01-01), Franks et al.
patent: 4680000 (1987-07-01), Nowicki et al.

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