Package making – Partial cover application – Band or tube
Patent
1993-07-07
1995-08-22
Johnson, Linda
Package making
Partial cover application
Band or tube
533894, B65B 1304
Patent
active
054428998
ABSTRACT:
A band charging apparatus for a packing machine capable of carrying out charging of a band while effectively preventing jamming of the band. In the packing machine, a band unwound from a reel is fed to a pool box by means of the band charging apparatus, to thereby be temporarily stored in the pool box. Then, the band is fed to a circumference of a package by means of a band feeding and tightening apparatus. Thereafter, the band is drawn back by means of the band feeding and tightening apparatus while a distal end of the band is kept gripped, resulting in being tightly wound on the package. The band charging apparatus includes a pool feed roller for carrying out feeding of the band to the pool box and a pool touch roller arranged so as to access to the pool feed roller through the band. Also, the band charging apparatus includes guide plates for defining a band guide path in the pool box when the band is set for charging of the band in the band feeding and tightening apparatus. The guide plates are pivotally moved in a direction of guiding the band, to thereby close the guide plates. When the band is excessively fed to the band guide path, nerve of the band in the band guide path causes the guide plates to be open, to thereby release the band guide path, resulting in the band being stored in the pool box.
REFERENCES:
patent: 4885901 (1989-12-01), Sakaki et al.
patent: 5236329 (1993-08-01), Sylvester
Aizawa Yoshikatsu
Enda Kenichi
Furukawa Hiroshi
Koyama Seiichiro
Shibazaki Tokio
Johnson Linda
Strapack Corporation
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