Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1975-05-30
1976-10-19
Price, William
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
150 12, 229 62, 248 95, B65D 3100
Patent
active
039866610
ABSTRACT:
A plastic film bag for the aseptic packaging of food products in puree form for storage prior to use in a canning process. The bag is formed from a section cut from a roll of plastic film in the form of a continuous cylinder. The cylindrical section is flattened to form a generally rectangular envelope having two faces bounded by two closed edges and two open edges. One of the open edges is sealed to form a bottom seam and the other is folded over and sealed to one face of the envelope in such a way as to form two side entry pockets of triangular shape extending along the upper edge of the bag toward the vertical centerline. A filling aperture is cut in the upper edge midway between the pockets. During the packaging operation a hanger dowel is inserted into each pocket from the side to suspendably support the bag during automatic handling steps including filling, sealing, heat sterilization and cooling. The bag is filled with hot puree through the opening and then hermetically sealed. The hanger dowels are lowered to immerse the sealed bag into a bath of hot water for sterilization of the contents. The bag is then removed from the bath and allowed to cool on the hanger dowels after which it is manually removed and transferred to a storage location.
REFERENCES:
patent: 2800269 (1957-07-01), Smith
patent: 3352411 (1967-11-01), Schwarzkopf
patent: 3543999 (1970-12-01), Kugler
patent: 3606137 (1971-09-01), Kugler
patent: 3774837 (1973-11-01), Franson
patent: 3776372 (1973-12-01), Lemelson
patent: 3858789 (1975-01-01), Verbere
patent: 3865235 (1975-02-01), Levy et al.
Bernstein Bruce H.
Gerber Products Company
Price William
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