Device for preforming and holding a wrapper in a forming mould

Details Device for preforming and holding a wrapper in a forming mould Device for preforming and holding a wrapper in a forming mould

1977-10-17

1978-12-19

Spicer, Robert L.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

425398, 425443, 425444, 249 75, 249136, B29C 700

Patent

active

041303865

ABSTRACT:
The invention relates to a device for preforming and holding a wrapper in a orming mould constituting part of a forming station in a machine for heat-forming receptacles, said device comprising a plurality of applicator fingers movably mounted inside the forming chamber, the bottom wall comprising openings adapted to accommodate each finger, and further comprising finger controlling means which are arranged so as to ensure, on the one hand, the spaced-apart relationship of the fingers with respect to the side wall when the mould is in position of alignment with the wrapper-making device and, on the other hand, the application of said fingers against the side wall in all the other positions of the mould and during the displacement of said fingers along said side wall up to their housing in the bottom wall.

REFERENCES:
patent: 1747708 (1930-02-01), Haase
patent: 3807682 (1974-04-01), Catinella et al.
patent: 3865533 (1975-02-01), Deprez et al.
patent: 3986805 (1976-10-01), Haines

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