Apparatus for sealing cans with lids under vacuum

Details Apparatus for sealing cans with lids under vacuum Apparatus for sealing cans with lids under vacuum

1979-07-02

1980-09-09

McGehee, Travis S.

Package making

Gas filling and/or evacuating of receptacle and closing

Within enclosure

53101, B65B 3102

Patent

active

042211026

ABSTRACT:
In an apparatus for sealing cans 7, 7' each having a lid 8, 8' under vacuum, a lifting device is provided having a plate 13, 33 movable from below against a stationary, evacuatable bell 14, 36 and serving to receive a can 7, 7' already provided with a lid 8, 8'. Devices for lifting the lid 8, 8' from the can 7, 7' are furthermore provided. In order to be able in addition to seal cans of different sizes in this apparatus, without having to change the course of operation of the apparatus, an adjustment piston 20 is provided as the device for lifting the lid 8, 8' from the can 7, 7', the adjustment piston being capable of being subjected to pressure medium and being guided in an adjustment cylinder 18. Reduction elements 52, 53 are furthermore releasably disposable on the adjustment piston 20 on the one hand, and on the inner wall of the bell 14 on the other.

REFERENCES:
patent: 1279413 (1918-09-01), Norton
patent: 3191354 (1965-06-01), McElroy et al.
patent: 4154044 (1979-05-01), Lang

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