Archive image from page 4 of Designs for bulk fruit bins. Designs for bulk fruit bins . designsforbulkfr490obri Year: 1960 lu Q> Q. -o C 3 o r 25 20 15 10 Grain of face plies parallel to span — — — Grain of face plies perpendicular to spar Normal loading in 24'deep bin Deflection—inches Graph 1. Face grain of plywood should parallel the span. Above comparison, for /2-inch plywood, shows times as much deflection for perpendicular grain as for parallel. The corre- sponding figure for -inch plywood is labor costs of making different bins should be relatively close.
Archive image from page 4 of Designs for bulk fruit bins. Designs for bulk fruit bins . designsforbulkfr490obri Year: 1960 lu Q> Q. -o C 3 o r 25 20 15 10 Grain of face plies parallel to span — — — Grain of face plies perpendicular to spar Normal loading in 24'deep bin Deflection—inches Graph 1. Face grain of plywood should parallel the span. Above comparison, for /2-inch plywood, shows times as much deflection for perpendicular grain as for parallel. The corre- sponding figure for -inch plywood is labor costs of making different bins should be relatively close. Putting addi- tional money into improved materials should result in a corresponding addi- tional value in length of life, less fruit damage, less repairing, and fewer operat- ing problems due to failure, and thus establish lower operational costs. Life No information is available on which to base an estimate of bin life. In 1959, of 15,000 bins checked, 576 were out of use because of damage (table 1). Of these, 432 could be repaired economically. Less than 1 per cent of all bins was a total loss although a far greater percentage will be damaged beyond repair with each suc- ceeding year of use. Handling and pallet Bins with pallet bottoms are well adapted to conveyor-line and fork-lift handling. Two-way entry pallets under bins are adequate; four-way entry pallets were not found necessary in the orchards. Pallet skids need not have boards at- tached to the bottom; in fact, these boards were found to do more harm than good since they carried dirt from the or- chard and spilled it on fruit in the bottom bins during transport. These boards are also troublesome because they are easily broken by fork-lift prongs. Bins with skids 3 inches wide by 3 inches deep proved efficient in handling. Four-inch- wide skids apparently did not improve the bins, and a 2 x 4-inch center skid was too easily knocked off by fork-lift prongs [5]
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Photo credit: © Actep Burstov / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1960, _berkeley_calif_division_of_agricultural_sciences_, archive, bins, book, bookauthor, bookdecade, bookpublisher, booksubject, bookyear, drawing, fruit, historical, history, illustration, image, o_brien_michael_1918_, page, picture, print, reference, vintage
