B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/32.1, 156/32
B65B 13/22 (2006.01)
Patent
CA 1292419
ABSTRACT The present invention comprises a touch roller for bringing a band into face contact with the outer peripheries of a reverse roller or a tension roller for tightening the band around an article to be strapped, especially in an apparatus for feeding and tightening the band of a strapping machine; and an annularness like member which is harder and has a resistance smaller than an elastic body and which is projected from the outer periphery of the elastic body having a large friction resistance on the outer peripheries and/or the reverse roller and/or the tension roller. Because the band fed by the feed roller travels around the annularness like member having a small friction resistance projected on the outer periphery of the reverse roller or the tension roller with the surface of the band being brought into contact with the annularness like member, the band is smoothly fed regardless of the direction of rotation of the reverse roller or the tension roller and whether the state of the roller is free or stationary. In tightening the band, accordingly, the annularness like member which is harder than the elastic body on the outer periphery of the reverse roller or the tension roller is embedded in the elastic body, such that the elastic body having a large friction resistance and the touch roller are brought into compressive contact with the band and caused to rotate thereby performing firm tightening.
563825
Fujii Kenji
Tagomori Tsutomu
Fujii Kenji
Macrae & Co.
Strapack Corporation
Tagomori Tsutomu
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