Automatic filling machine with compressed-air seal

Details Automatic filling machine with compressed-air seal Automatic filling machine with compressed-air seal

1978-09-14

1980-06-03

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

With conveying means to supply successive receivers

With interconnected contents discharge means

277 3, B65B 104

Patent

active

042057116

ABSTRACT:
A filling machine for small containers comprises a main hopper which feeds powder to a secondary hopper located above a rotatable dosing head provided with chambers for receiving the powder from the secondary hopper and discharging the powder into individual containers successively displaced below this head. Between the secondary hopper and the rotating head is provided a yieldable intermediate body having a curved surface confronting the curved surface of the head and an opening adapted to communicate between the chamber of the head and the secondary hopper. One of these surfaces is formed with a pair of grooves on each side of the opening and between each pair of grooves with a recess to which compressed air is admitted with the air being discharged through ports in the grooves so that a hermetic seal is provided between the recesses. Pins can space the intermediate body form the head when compressed air is not supplied to the seal.

REFERENCES:
patent: 4114059 (1978-09-01), Albaric et al.
patent: 4118042 (1978-10-01), Booth

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