Process for assembly of corrugated pallets
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United States of America Patent
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Issued Date -
Dec 17, 2015
app pub date -
Jun 16, 2014
filing date -
Jun 16, 2014
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Abstract
A process for assembling a corrugated pallet having of two die cut corrugated paperboard blanks that form a pallet top and a pallet bottom, with each having at least one vertically extending double thickness rib, each rib having at least one notch, wherein said notches lock the opposing ribs from opening when the pallet top and pallet bottom are vertically nested together. In performance of the process a mix of machine and human performed operations is used. The machine forms the rib on each blank by applying in-plane pressure to the blank through protruding elements on the machine that engage the blank and move in relation towards each other, and the machine maintains the in-plane pressure to keep the rib from opening until a time after the pallet top and bottom are nested together. The machine uses rib folding plates that apply out-of-plane forces to the blanks to assist forming of the ribs by rotating in the out-of-plane direction when the in-plane compression is applied. Human operators load the blanks into the machine and form the sidewalls and fork openings.
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