Fluent material handling – with receiver or receiver coacting mea – With manipulation of flexible or collapsible receiver or supply
Patent
1990-06-20
1992-03-17
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
With manipulation of flexible or collapsible receiver or supply
141147, 141166, 141314, 53175, 53261, 53260, B65B 316, B65B 4118
Patent
active
050959603
ABSTRACT:
An apparatus for filling bags with bulk material includes a filling device for consecutively charging bags with the bulk material; a traction device leading into and out of a region of the filling device; and a plurality of spaced spreading devices, carried by the traction device, for expanding each bag to facilitate charging thereof by the filling device. Each spreading device has first and second mutually cooperating pivotal spreading fingers having a retracted state and an expanded state. The apparatus further has a first cam track extending generally along the traction device; a second cam track extending generally along the first cam track and being spaced therefrom; a device connected to the first cam track for lowering each spreading device relative to the traction device to introduce the spreading fingers into a bag located below the spreading device; and a device connected to the second cam track for placing the spreading fingers of each spreading device from the retracted state into the expanded state after introduction of the spreading fingers into the bag.
REFERENCES:
patent: 2182187 (1939-12-01), Wagner
patent: 3112777 (1963-12-01), Lohse
patent: 3774509 (1973-11-01), Heinzer
patent: 3949536 (1976-04-01), Chevalier
patent: 4033093 (1977-07-01), Mencacci
patent: 4305242 (1981-12-01), Barathe et al.
patent: 4526214 (1985-07-01), McGregor
patent: 4687462 (1987-08-01), Rewitzer
patent: 4848421 (1989-07-01), Froese et al.
Grundler Bruno
Muller Werner
Cusick Ernest G.
Kupferschmid Keith
SIG - Schweizerische Industrie-Gesellschaft
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