Artificial rock climbing structure and method of making

Stock material or miscellaneous articles – Three dimension imitation or 'treated' natural product

Patent

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Details

156 61, B29C 6720, B44F 904

Patent

active

055431852

ABSTRACT:
A unique climbing structure that is durable, lightweight and easy to assemble is provided. The structure is based on the use of polystyrene foam blocks attached to a support structure. The polystyrene can be cut to be irregularly shaped like a normal rock, and can be shaped with larger dimensions and depth than other techniques, giving a more realistic structure. The shaped polystyrene foam is covered with a hard coating to give the exterior a rock-like appearance.

REFERENCES:
patent: 2801936 (1957-08-01), Bjorksten et al.
patent: 2953469 (1960-09-01), Fox
patent: 4241554 (1980-12-01), Infantino
patent: 4331734 (1982-05-01), Stegmeier
patent: 4647000 (1987-03-01), Osada
patent: 4868018 (1989-09-01), Schiffer
patent: 4960622 (1990-10-01), Jarboe et al.

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