Prefeeding corrugated boards to box finishing machines
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United States of America Patent
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Apr 16, 2013
Grant Date -
Jan 26, 2012
app pub date -
Jul 26, 2010
filing date -
Jul 26, 2010
priority date (Note) -
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Abstract
Method and apparatus for prefeeding corrugated boards to a box finishing machine wherein a stack of rectangular boards are moved to a first conveyor with the long dimension of the boards extending transverse to the direction of movement of said first conveyor. The stack is then rotated to place the long dimension of the boards in alignment with the direction of movement of said first conveyor, and then moving the rotated stack to a second conveyor for feeding to a box finishing machine with the long dimension of the boards in alignment with the direction or path of movement of the boards through the box finishing machine. The stack is transferred to the first conveyor from an elevator which contains a supply of boards larger than the stack. Three different types of apparatus are disclosed for rotating the stack. One is a plurality of conveyor belts whose speeds may be varied to rotate the boards. Another is a turntable with a set of belt conveyors and a set of rollers. The third is a vertical chute whose guides rotate the boards as they descend through the chute.
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