Pre-stretch web dispenser

Details Pre-stretch web dispenser Pre-stretch web dispenser

B - Operations, Transporting

65

B

B65B 11/06 (2006.01) B65B 11/04 (2006.01) B65H 16/00 (2006.01)

Patent

CA 2281505

A pre-stretch wrapping device consisting of a base, a pre-stretch station, a vertical drive, and a rotatable load causes a pre-stretched web to become wrapped around the load under controlled tension. The pre-stretch station comprises a pair of pre-stretch rollers located on a pivotal frame, a spring which opposes the pivotal movement of the frame relative to the base, a roller motor, and a sensor located between the frame and the base. The sensor monitors relative movement of the frame from the base and a controller in response to signals from the sensor controls the operation of the roller motor.

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