Food or edible material: processes – compositions – and products – Processes – Packaging or treatment of packaged product
Patent
1990-07-12
1992-01-28
Yeung, George
Food or edible material: processes, compositions, and products
Processes
Packaging or treatment of packaged product
531353, 53141, 53410, 426118, 426396, 426410, B65D 8100, B65B 6100
Patent
active
050842900
ABSTRACT:
A method and an apparatus for applying a freshness keeping agent to a food packaging body arranged to comprise: a step in which a hot-melt adhesive agent is, at a predetermined interval, dripped on to the inner surface of a wrapping film which is being continuously supplied; a step in which an elongated train consisting of a plurality of freshness keeping agent bags successively connected in a direction and continuously supplied is cut into individual freshness keeping agent bags; a step in which each freshness keeping agent bag is conveyed to the wrapping film through a chute; and a step in which either side of each freshness keeping agent bag and the inner surface of the wrapping film are joined to each other under pressure at a portion to which the hot-melt adhesive agent is applied.
REFERENCES:
patent: 2956612 (1960-10-01), Gaines et al.
patent: 4332845 (1982-06-01), Nawata et al.
patent: 4726171 (1988-02-01), Kreager et al.
patent: 4897273 (1990-01-01), Kotaki et al.
patent: 4907393 (1990-03-01), Omori et al.
Fujii Yuichi
Morita Yoshikazu
Mitsubishi Gas Chemical Co. Inc.
Yeung George
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