Stretch wrapping with tension control

Details Stretch wrapping with tension control Stretch wrapping with tension control

B - Operations, Transporting

65

B

B65B 41/12 (2006.01) B65B 11/02 (2006.01) B65B 11/28 (2006.01)

Patent

CA 2100903

ABSTRACT OF THE DISCLOSURE A stretch wrap packaging machine includes a support frame and a rotatable frame rotatably mounted on the support frame. A dispenser is mounted on the rotatable frame to follow an orbital path. The dispenser has a web tensioning system which is selectably operable in a plurality of states. At least one actuation ring is moveably mounted of the support frame for cooperation with the tensioning system and selectively rendering the tensioning system operable in each of the plurality of states of operation throughout the orbital path. An activator moves the actuation ring to cooperate with the tensioning system. The tensioning system may include prestretch rollers connected by an engageable clutch. The tensioning system may also include at least one power assisted roller which is connected by a clutch to a power source. 27

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