Package making – Methods – Forming a cover adjunct or application of a cover adjunct to...
Patent
1984-11-07
1987-04-14
Sipos, John
Package making
Methods
Forming a cover adjunct or application of a cover adjunct to...
53128, 53167, 53426, 53451, 53551, B65B 6100
Patent
active
046568131
ABSTRACT:
A method and apparatus for producing and filling sterilized bags includes the steps of: feeding a film material from which the bags are formed from at least one reel; printing information on the film; cleaning the film in two stages which includes ultrasonic vibration and washing with water; drying the film; sterilizing it with ultraviolet rays; applying valves to the film; welding, punching and printing the film to generate a large bag; filling the large bag with liquid and inert gas; applying a second welding orthogonal to the first welding direction to divide the larger bag into a plurality of final bag having a predetermined size; cutting the film into the individual bags and testing the integrity of each bag; and vacuum packaging the bags and/or megablistering it. The foregoing process steps can be realized with an apparatus which includes at least a film unwinding unit having a braking device; at least one ultrasonic washing tank and at least one tank with water nozzles which is fed from a recycling plant which supplies distilled water; a film alignment device which is positioned ahead of a folding prism which is used for folding the film; and a double filling pipe and a test band which operates in synchronism with a transport roller.
REFERENCES:
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patent: 3579945 (1971-05-01), Buchner er al.
patent: 3846569 (1974-11-01), Kaplan
patent: 3874144 (1975-04-01), Feigel
patent: 4109792 (1978-08-01), Greenawalt
patent: 4166412 (1979-09-01), Versteege
patent: 4326574 (1982-04-01), Pallaroni et al.
patent: 4387547 (1983-06-01), Reil
patent: 4494357 (1985-01-01), Di Geronimo
Baldini Luciano
Siccardi Alberto
Bieffe S.p.A.
Sipos John
Weihrouch Steven P.
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