Package making – Gas filling and/or evacuating of receptacle and closing – Within enclosure
Patent
1986-04-25
1988-03-08
Spruill, Robert L.
Package making
Gas filling and/or evacuating of receptacle and closing
Within enclosure
53343, 53510, B67B 300, B65B 728
Patent
active
047292040
ABSTRACT:
At the upper side of the star wheel bottle feeder of a bottle capping machine, a chamber which encompasses the bottle neck is attached at each pocket in the periphery of the star wheel in which the bottle neck is registered as it is transported in a circular orbit. At the top side, the chamber has an opening for a reciprocating sealing element which revolves with the star wheel. The chamber has a circular internal bore and an opening on its radially outermost side that allows bottles to be passed through it and into a pocket on the star wheel. There is a nozzle slot at the radial inside of the chamber diametrically opposite from the outside gas exit opening. The gas input slot has an elbow connected to it and the elbow is connected to a gas distributor valve which is, in turn, connected to a source of carbon dioxide. Because the neck and mouth of each bottle is captured within the chamber, the opening of the bottle and the underside of the crown cap are purged of air which is replaced with inert gas before the cap is crimped onto the bottle.
REFERENCES:
patent: 2131876 (1938-10-01), Hurst
patent: 2322250 (1943-06-01), Murch
patent: 2693305 (1954-11-01), Boyd et al.
patent: 2974456 (1961-03-01), Parodi
patent: 3246447 (1966-04-01), Smith et al.
patent: 3545160 (1970-12-01), Jantze et al.
patent: 3807133 (1974-04-01), Simonazzi
Krones AG Hermann Kronseder Maschinenfabrik
Spruill Robert L.
Studebaker Donald R.
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