Package making – Methods – With contents treating
Patent
1991-06-28
1992-09-29
Coan, James F.
Package making
Methods
With contents treating
53456, 53462, 53530, 53575, B65B 1320
Patent
active
051505622
ABSTRACT:
In a packaging technique for resiliently deformable articles (such as paper diapers or sanitary napkins), a stack of the articles are packed into a shell-like, inner cassette having an open top and bottom, the inner cassette is wrapped from above with a sheet of film having cardboard flaps extending from respective opposite side margins thereof and the stack of articles is ejected from the inner cassette through the open top, together with the sheet of film into an outer cassette which maintains the partly packed profile. Lower, trailing, flap-form ends of the wrapping extend below the stack on two opposite sides of the cassette, forming flaps that are subsequently folded in overlapping relation to cover the exposed bottom of the stack of articles and heat-sealed together and transversely extending margins of the sheet of film are folded and heat-sealed against the cardboard ends to form a package of predetermined shape.
REFERENCES:
patent: 3802325 (1974-04-01), Bardenhagen et al.
patent: 4241564 (1980-12-01), Quarenghi
patent: 4484432 (1984-11-01), Oberdorf
patent: 4862680 (1989-09-01), Krah
Araki Yozo
Ito Isamu
Ochi Mitsuzo
Sugimura Tohru
Suzuki Migaku
Coan James F.
Mitsubishi Jukogyo Kabushiki Kaisha
Uni-Charm Corporation
Usher Robert W. J.
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