Automatic molten substance bagging method and system

Details Automatic molten substance bagging method and system Automatic molten substance bagging method and system

1990-09-10

1991-10-08

Sipos, John

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

53171, 53579, 533861, 141 90, 141 9, B65B 4326

Patent

active

050542745

ABSTRACT:
An automatic molten substance bagging method and system which facilitates introduction and extrusion of molten substance into and from a fixed volume member and performs extrusion of molten substance rapidly by reduced driving force. A carrying can in which a bag is received is first transported to a position below an injector, and vacuum attracting pads are moved toward and then away from each other on the opposite sides of the bag to attract by vacuum and open a mouth portion of the bag. Then, the bag in the attracted condition is lifted by the vacuum attracting pads until a nozzle of the injector is inserted into the open mouth portion of the bag, and then the mouth portion of the bag is clamped by clamp members, whereafter the carrying can is lifted a little. Then, molten substance is injected into the bag from the injector, and during such injection, the carrying can is lifted further. After a predetermined amount of molten substance is filled into the bag, the bag is released from the clamp members, and then the carrying can is lowered to a vertical position at which the carrying can is subsequently transported away from the position below the injector.

REFERENCES:
patent: 2524908 (1950-10-01), Hartman et al.
patent: 2548222 (1951-04-01), Kindseth
patent: 3382644 (1968-05-01), Vogt
patent: 3750721 (1973-08-01), Hudson
patent: 4318431 (1982-03-01), Evans
patent: 4651503 (1987-03-01), Anderson, III et al.
patent: 4724656 (1988-02-01), Tanaka
patent: 4838325 (1989-06-01), Bordini
patent: 4898327 (1990-02-01), Sperry et al.

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