Evaluation of Methods of Assembling Pallets.
Forest Service research paper,
FOREST PRODUCTS LAB MADISON WIS
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The performance of pallets assembled by various methods--with nails, staples, or synthetic elastomeric adhesives--was evaluated by testing pallet corners statically and dynamically impact. In addition to the assembly methods, other variables investigated were species and moisture content at time of assembly. The species were red oak, Douglas-fir, hickory, yellow-poplar, and aspen. Moisture contents at time of assembly ranged from 12 percent dry to more than 30 percent green. Hardened pallet nails, slightly thinner and shorter than the standard helically threaded pallet nail, performed better than did the standard nail, especially in the impact tests of pallet corners. Results of tests of both the corners and the complete pallets confirmed that the slender nails were superior to the standard pallet nail. Pallets assembled with pneumatically driven plastic-coated staples 2-12-in. legs, 15-gage wire performed adequately as did the pallets assembled with two of four synthetic elastomeric adhesives. Author
- Containers and Packaging