In-mold labeling of injection blow molded hollow plastic article

Details In-mold labeling of injection blow molded hollow plastic article In-mold labeling of injection blow molded hollow plastic article

1987-10-01

1989-02-28

Weston, Caleb

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Labeling or embossing indicia

156245, 156285, 156497, 156500, 425504, 425522, 425535, 425538, 425541, 425588, 425589, 4251261, B29C 4906, B29C 4924

Patent

active

048083666

ABSTRACT:
A method and apparatus for placement of labels within the blow molds of an injection blow molding machine. The injection blow molding machine comprising a turret having plurality of circumferentially spaced surfaces, each of which supports a plurality of spaced core rods, a plurality of injection molds at an injection molding station for forming a plurality of preforms, and a plurality of blow mold sections at a blow molding station which close about the preforms so that the preforms can be blown outwardly against the confines of the mold to form hollow plastic articles. The blow molds include movable bases exposing the interior of the blow molds when the blow molds are closed about preforms on the core rods. A positioning apparatus positions a plurality of labels at the blowing station and a plurality of cylindrical vacuum mandrels are rotated to pick-up the labels and thereafter the mandrels are translated to deliver the labels to the blow molds through the open bottoms after which the mandrels are retracted, the mold bottoms are closed and the hollow articles are blown in the molds with the labels on the outer surfaces thereof.

REFERENCES:
patent: 4437825 (1984-03-01), Harry et al.
patent: 4549863 (1985-10-01), Bourgeois
patent: 4721451 (1988-01-01), Darr

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