Bag-filling apparatus

Details Bag-filling apparatus Bag-filling apparatus

1982-11-17

1985-08-27

Spruill, Robert L.

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

53261, 53384, 53386, 141 93, 141114, 141317, B65B 3902, B65B 3904, B65B 4330

Patent

active

045370133

ABSTRACT:
Bag-filling apparatus comprises gripping means for gripping flat bags adjacent to their top edges and side edges, vacuum cups for engaging the bag on opposite sides near its top edges and for pulling said top edges apart, and a filling pipe, which is provided with filling hopper halves, which are adapted to be pivotally movable about parallel axes by drive means. The filling hopper halves are hinged on respective axes which are transverse to the line which connects the grippers and the spreading members of the filling hopper halves have in cross-section laterally inverted, outwardly protruding or convex shapes the apices of which are disposed on the line which connects the grippers. The arrangement may be such that the end edges and side walls of the filling hopper halves are in sealing contact with each other when the filling hopper halves are in their swung-in position.

REFERENCES:
patent: 2853842 (1958-09-01), Vredenburg
patent: 2973612 (1961-03-01), McGowan
patent: 3138907 (1964-06-01), Gerbe
patent: 3384134 (1968-05-01), Hillerns
patent: 3750721 (1973-08-01), Hudson
patent: 3830266 (1974-08-01), Hudson
patent: 3948019 (1976-04-01), Doring et al.
patent: 4061221 (1977-12-01), Higashinaka et al.

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