Apparatus for applying foil covers for trays

Details Apparatus for applying foil covers for trays Apparatus for applying foil covers for trays

1978-01-18

1978-10-24

Culver, Horace M.

Package making

Closing packages and filled receptacles

Separate closure applying

53344, 53389, B65B 728

Patent

active

041214048

ABSTRACT:
A machine to cover filled, preformed trays of a wide variety of shapes or sizes with foil or other material which will remain folded, from rollstock. The machine is simple, with few change parts, rapidly changed. To be truly rotary enabling high speeds. To have the cover stock continuously feeding trays travelling as close together as the overlying foil will permit, the trays travelling horizontally with no sideways movement. The foil to be folded down and under in one continuous movement exactly to the outside shape of the tray's lip, with no distortion of the foil atop the tray and with the foil so well crimped that there is no possibility of liquid leakage. The machine to be either equipped with its own conveyor, or capable of being placed over an existing conveyor.

REFERENCES:
patent: RE13851 (1914-12-01), Brinkman
patent: 2920431 (1960-01-01), Izumi
patent: 2928222 (1960-03-01), Lindstaedt
patent: 3036416 (1962-05-01), Cheeley et al.
patent: 3048954 (1962-08-01), Abel
patent: 3193978 (1965-07-01), Bader
patent: 3440795 (1969-04-01), Grant
patent: 3619972 (1971-11-01), Pringle et al.
patent: 3708954 (1973-01-01), Wilke et al.
patent: 3712021 (1973-01-01), Logemann et al.
patent: 3800502 (1974-04-01), Vermeulen
patent: 3834120 (1974-09-01), DeFaccio et al.
patent: 3866387 (1975-02-01), Davis

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