Flexible bags – Bag having means to facilitate opening it by severing bag... – Including means for reclosing the bag
Patent
1998-05-27
2000-08-22
Garbe, Stephen P.
Flexible bags
Bag having means to facilitate opening it by severing bag...
Including means for reclosing the bag
383 66, 383211, B65D 3328, B65D 3320
Patent
active
061061530
ABSTRACT:
In an automatic filling and closing process for flexible package in which a film is supplied while being longitudinally fused, and the respective steps of filling the longitudinally fused film with contents, laterally fusing the film and cutting the laterally fused area are performed, a slit or a hole is intermittently formed in the supplied film, at a site from unwinding of the film to the longitudinal fusing, during interruption of the supply of the film in the steps of lateral fusing and cutting, and an opening fusing tape is placed over the slit or hole to weld around the perimeter of the slit or hole, thereby obtaining a tape-sealed bag which is easily openable in an opening direction approximately parallel with the laterally fused area. According to the invention, the technique of opening the bag by use of the easily openable fusing tape which employs a film having a relatively low separation strength can be applied to the pillow type bag which can be efficiently produced by use of the automatic filling and closing machine for a flexible package.
REFERENCES:
patent: 3166226 (1965-01-01), Mobley
patent: 3567074 (1971-03-01), Brown
patent: 5310262 (1994-05-01), Robison et al.
Garbe Stephen P.
Kabushiki Kaisha Hoseki Planning
Sanwa Automatic Machinery Co., Ltd.
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