B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
226/20, 226/25,
B65B 61/00 (2006.01) B29C 65/02 (2006.01) B31B 19/84 (2006.01) B65B 9/20 (2006.01) B65B 61/18 (2006.01) B29C 65/08 (2006.01)
Patent
CA 1234084
ABSTRACT OF THE DISCLOSURE New method and apparatus for automatically producing a number of bag-shaped packages with a cap body integrally attached thereto and specific content filled at a high opera- tional efficiency are disclosed. They are produced one by one using continuous thin flat film of synthetic resin as raw material by way of the steps of punching a cap body insert hole, inserting the cap body portion of the cap body into the punched hole, heat sealing it to the film, forming a tubular product, effecting longitudinal heat sealing, effecting trans- verse heat sealing of the lower end part of the tubular pro- duct to form a bag-shaped product, filling the latter with specific content, effecting transverse heat sealing of the up- per end part of the content filled bag-shaped product and cut- ting off the latter along the center line extending between the adjacent products. Longitudinal heat sealing is generally ef- fected while the film is displaced downward. Alternatively, longitudinal heat sealing may be effected while it is held im- movably. Operation in each of the working sections is control- led by signals transmitted from a sensor adapted to detect the existence of one of marks printed on the film. Most of opera- tions in the working sections are carried out while the film is held immovably.
439108
Kitazawa Noboru
Matsumura Wakuo
Ohigashi Yoshiaki
Sim & Mcburney
Unitika Ltd.
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