B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/43, 156/58
B65B 11/28 (2006.01) B65B 11/04 (2006.01)
Patent
CA 1069039
ABSTRACT OF THE DISCLOSURE IMPROVEMENTS IN SPIRAL-WRAP APPARATUS An improvement is disclosed in wrapping apparatus for palletized loads of the kind having a rotatable platform where the load is received, and a roll of plastic film mounted adjacent to the platform for vertical movement so that plastic film can be dispensed onto the load while the platform rotates, in order to enwrap the load helically. The improvement is the provision of an elongated roller member pivoted adjacent one of its ends to the platform so that it can swing between two positions through an arc in a vertical plane. In the first position the member bears against a frictional surface on the platform, and in the second position it is spaced from the frictional surface. In swinging from the second to the first position at the end of a wrapping operation, the elongated roller member catches the film and pinches it between itself and the frictional surface. A hot-wire severing means mounted adjacent to the frictional surface on the platform severs the film so that the first palletized load can be removed and a next load placed on the platform.
280671
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