Deep drawing machine for manufacturing receptacles made out of t

Details Deep drawing machine for manufacturing receptacles made out of t Deep drawing machine for manufacturing receptacles made out of t

1982-06-07

1984-06-05

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Serially arranged with preform reshaping means

425388, 425397, 425405R, 425503, 425510, 425122, B29C 1700

Patent

active

044525800

ABSTRACT:
Deep-drawing machine for manufacturing containers out of thermoplastic foil material having an arrangement for inserting into the hollow mold prior to the deep drawing step a banderole-shaped strip section. The machine includes support means for a roll of foil material, means for transporting the foil material, a heating arrangement as well as a forming arrangement and said forming arrangement consists of a stationary counter mold and the hollow mold movable perpendicular to the foil plane, which is pressed against a counter mold after the heating of the foil. After the container is formed by means of a pressure medium, the strip sections, which have been introduced into the hollow mold, are sealed onto the container. The arrangement for inserting the banderole-shaped strip sections into the hollow mold includes a winding mandrel which is stationary with respect to the axially movable hollow mold. In the outer peripheral surface of which winding mandrel there are disposed a plurality of bores which are adapted to be placed in communication with a vacuum source and there is arranged exteriorly of the hollow mold at the inlet side of the banderole-shaped strip sections a slider which is glidably mounted relative to the hollow mold and the winding mandrel. The slider includes a recess, the height of which corresponds to the width of the banderole-shaped strip sections.

REFERENCES:
patent: 3661489 (1972-05-01), Moore
patent: 3709643 (1973-01-01), Nasica
patent: 3827128 (1974-08-01), Nasica
patent: 4021286 (1977-05-01), Amberg
patent: 4059377 (1977-11-01), Corbic
patent: 4086045 (1978-04-01), Thiel et al.
patent: 4150936 (1979-04-01), Shioi et al.
patent: 4242293 (1980-12-01), Dowd
patent: 4335635 (1982-06-01), Hautemont
patent: 4370118 (1983-01-01), Dronet
patent: 4394115 (1983-07-01), Dronet

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