Apparatus for lining cartons

Details Apparatus for lining cartons Apparatus for lining cartons

1978-01-13

1979-03-20

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

Reshaping means utilizing fluid pressure directly contacting...

425515, B29C 1704, B29D 302

Patent

active

RE0299405

ABSTRACT:
Equipment and process for lining an assembled carton tray made from thermoplastic film by use of a vacuum applied in a recessed mold containing the tray. The tray and mold are moved beneath a sheet of film which is heated or a hot sheet of film extruded over the top of the tray. The film must be severed around the edges of the tray after the lining is drawn. A tray may be used with the lid laid back so that the inner facing surface of the lid is also coated with the film. In so doing, a later seal may be formed between the lid and the tray or use of the two films contacting around the edges of the tray.

REFERENCES:
patent: 3445892 (1969-05-01), Amberg et al.
patent: 3453162 (1969-07-01), Turner
patent: 3577700 (1971-05-01), Bippus et al.
patent: 3875280 (1975-04-01), Story

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