B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/2, 156/32, 1
B65B 11/00 (2006.01) B26F 3/12 (2006.01) B65B 11/10 (2006.01) B65B 41/12 (2006.01)
Patent
CA 1106273
ABSTRACT OF THE DISCLOSURE Wrapping apparatus in which shrink wrap material in web form is fed from a reel onto an apertured, rotating drum. The interior of the drum is maintained at a sub-atmospheric pressure to draw the web against the drum. An oscillating cutter is pressed against the web on the drum to sever the web into sheets, and the sheets are transferred to two apertured feed belts. Suction conditions maintained at the apertures in the belts holds the sheets against the belts. These belts place the sheet curtain-like ahead of the article to be wrapped, and the article is fed by an infeed conveyor into engagement with the sheet. The sheet is draped over the article as it is fed forward onto a main conveyor, the leading edge portion of the sheet being between the article and the conveyor. The trailing edge portion is blown or pushed through a slot in the main conveyor so that it hangs down below the main conveyor. Movement of the article is then interrupted while the main conveyor continues to move. This causes the trailing edge portion to be carried under the stationary article by the main conveyor so that the leading and trailing edge portions are overlapped. Thereafter, the article is allowed to move with the main conveyor and the overlapped portions are secured together to form a sheath around the article.
289522
Starpak (proprietary) Limited
Swabey Ogilvy Renault
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