Package making – With contents treating – Vacuum or inert atmosphere
Patent
1985-03-29
1986-07-01
Sipos, John
Package making
With contents treating
Vacuum or inert atmosphere
53268, 53274, 53310, 53328, B65B 3102, B65B 104
Patent
active
045972451
ABSTRACT:
An apparatus for filling a container (12) having a receiving passage (14) with material and sealing the receiving passage (14) with a spherical sealing plug which is larger than the receiving passage (14) of the container (12) with the container (12) being subjected to a vacuum before and while being filled. A snout assembly (54) is movably mounted on a support structure (20, 22, 24) and includes a large piston-like portion (59) in sliding engagement within a guideway (28) in a housing (26) with a smaller tubular snout member (62) extending downwardly and into a fill passage (30) which is in sealing engagement with the receiving passage (14) of the container (12). The larger piston-like portion (59) of the snout assembly (54) has a material-receiving chamber (63) and a tubular valve member (68) engages a valve seat (66) to control the flow of material from the material chamber (63) to the delivery passage (56) and out the discharge end (58) of the smaller tubular snout member (62). The tubular snout member (62) is inserted into the container-receiving passage (14) for filling the container until the container (12) is full of material to the discharge end (58) whereupon material flow through the snout member (62) ceases. The valve member (68) is then closed against valve seat (66) to terminate material flow into the snout member (62). The snout member (62) is then retracted to empty the material in the snout member (62) below or downstream of the closed valve member (68) into the receiving passage (14) of the container, the volume of material emptied from the snout member (62) into the receiving passage (14) being insufficient to completely fill the receiving passage (14). After the snout member (62) is withdrawn, a spherical sealing plug is dispensed from a magazine and rolled into position engaging the container-receiving passage after which the spherical sealing plug is engaged with the discharge end of the snout member to force the sealing plug into the container-receiving passage for sealing the container.
REFERENCES:
patent: 607328 (1898-07-01), Beebe
patent: 1365454 (1921-01-01), Calleson
patent: 1477485 (1923-12-01), Haskell
patent: 2101156 (1937-12-01), Payne
patent: 2198752 (1940-04-01), Barr
patent: 2287831 (1956-09-01), Renard
patent: 2761603 (1956-09-01), Fairchild
patent: 3057131 (1962-10-01), McKinley
patent: 3191354 (1965-06-01), McElroy
patent: 3313326 (1967-04-01), Pellerino
patent: 3996725 (1976-12-01), Wales
Kelsey-Hayes Company
Milton Jr. Harold W.
Sipos John
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