A durable heavy duty pallet having a flat load deck is made by placing a pre-cut plastic sheet under the load-bearing surface of an invented frame or skeleton. A second plastic sheet is thermoformed over the lower surface of the skeleton, brought down into tight conformity with the contours thereof and...http://www.google.com.au/patents/US5123359?utm_source=gb-gplus-sharePatent US5123359 - Heavy duty pallet and method of making same
