Presses – Binding – With automatic or material-triggered control
Reexamination Certificate
2005-08-23
2005-08-23
Banks, Derris H. (Department: 3725)
Presses
Binding
With automatic or material-triggered control
C100S032000, C053S064000, C053S589000, C242S563200
Reexamination Certificate
active
06931986
ABSTRACT:
A strapping machine automatically adjusting the strap tension includes a sensor to interact with two sense members fixed on a subordinate wheel of an advance and retreat device, which consists of a main wheel and the subordinate wheel. The sensor and the sense members sense the advanced and the retreated rounds of the subordinate wheel when a strap is moved through a gap between the main wheel and the subordinate wheel. Then sensor sends a signal of the length practically needed to bind the strap around an object to a signal processor, which calculates and records and sends the difference cardinality to a controller. Then the controller controls operation and stopping of the motor of a strap tension device according to the signal so that the strap machine can automatically adjust the strap tension for binding the strap.
REFERENCES:
patent: 4097726 (1978-06-01), Satoh et al.
patent: 4581514 (1986-04-01), Inoue
patent: 5809873 (1998-09-01), Chak et al.
patent: 6003438 (1999-12-01), Schwede
patent: 6286780 (2001-09-01), Yuyama et al.
patent: 6363690 (2002-04-01), Lay et al.
Liu Chin-Chang
Su Chi-Jan
Banks Derris H.
Nguyen Jimmy
Tekpak Corporation
Transpak Equipment Corporation
Troxell Law Office PLLC
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