Package making – Partial cover application – Band or tube
Patent
1998-07-21
2000-06-06
Johnson, Linda
Package making
Partial cover application
Band or tube
53291, 53296, B65B 728
Patent
active
060703997
ABSTRACT:
The present practical new design is to provide a guide feeding device for thermal-shrinking film mechanism that mainly is related to the feed wheels which are mounted on the upper, middle and lower peripherals of the central guide rod and all connected by the connecting rod. The transmission gears are driven by a motor to let another meshed transmission gear adverse transmitted correspondingly and to stably transport the shrinking film downwards. By the opposed reverse threads at both ends of an axial rod, each feed wheel is mounted on the corresponding reverse thread and an adjusting wheel is mounted on the other end of the axial rod. And it only needs to rotate the adjusting wheel and move the two mutual opposed feed wheels along the axial rod in or out correspondingly to adapt the central guide rods with different sizes. The adjustment is very convenient and fast, and is able to upgrade the producing efficiency and the product quality.
REFERENCES:
patent: 3242635 (1966-03-01), Kobick
patent: 4806187 (1989-02-01), Fujisawa
patent: 4922683 (1990-05-01), Connolly
patent: 5203760 (1993-04-01), Chen et al.
patent: 5737900 (1998-04-01), Konstantin et al.
Huang Chien-Tsai
Huang Fu-Chuan
Wu Chin-Tsai
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