Wrapping machine and method

Details Wrapping machine and method Wrapping machine and method

1997-10-15

1999-11-23

Johnson, Linda

Package making

Wrapping machines

Cover-wiping passage or pocket for initial wrap

53204, 533729, B65B 1128

Patent

active

059878479

ABSTRACT:
A machine and method for wrapping cylindrical workpieces such as rolls of bathroom tissue and paper towel. The machine includes a workpiece infeed conveyor, a wrapping paper feeder, a rotating carousel having a plurality of pockets, and a discharge conveyor. A piece of wrapping paper supplied by the paper feeder is perforated and burst into a single sheet. The sheet and a workpiece are directed into a pocket in the rotating carousel whereby the sheet is banded around the periphery of the workpiece by a clamping plate, underfolder plate, and brush. Next a pair of stuffer spindles driven by a barrel cam and a pair of rotating star wheels whose compound motion is derived from geneva wheels fold and tuck the wrapping paper around the parallel sides and into the center tube of each workpiece. The wrapped workpieces are ejected from the rotating carousel onto a discharge conveyor. Alternative folder mechanisms include folding fingers. The method of wrapping is also disclosed.

REFERENCES:
patent: 2110815 (1938-03-01), Parsons
patent: 2301016 (1942-11-01), Cannard
patent: 2363751 (1944-11-01), Schultz et al.
patent: 2383664 (1945-08-01), Malhiot
patent: 3899865 (1975-08-01), Revaz
patent: 4548019 (1985-10-01), Kruse

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