Stock material or miscellaneous articles – Structurally defined web or sheet – Fold at edge
Patent
1979-07-12
1981-10-06
Epstein, Henry F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Fold at edge
108 513, 108 91, 206321, 206516, 428193, B32B 304, B65D 8562
Patent
active
042936055
ABSTRACT:
An inexpensive, easily produced device is provided for insertion between layers of wooden boards, which device has sufficient resistivity against longitudinally directed stresses, sufficient frictional engagement with the wooden boards, and sufficient ease of insertion, that the device may be advantageously utilized with piles of boards to prevent the piles from falling apart during handling. The device comprises a longitudinally enlongated strip of stiff cellulosic material having a predetermined constant width and formed by a pair of adhesively secured layers over the majority of the width thereof, and defining a plane. A pair of longitudinally elongated projections, one disposed on either lateral edge of the strip, and formed from at least one of the layers of stiff cellulosic material, stands upright from the plane of the strip substantially the entire length of the strip. The projections, preferably channels having a triangular cross-section and filled with bundles of hemp fibers or the like, deform somewhat toward the plane of the strip at the points of contact with the boards so that good frictional engagement is provided.
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Persson Alf
Soderberg Nils O.
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