Modular step system and method for manufacture

Details Modular step system and method for manufacture Modular step system and method for manufacture

1992-06-16

1995-03-28

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Stepped; e.g., stair

182228, 52 8, E04F 1100

Patent

active

054005566

ABSTRACT:
A step system for swimming pools comprises a unitary stair module including a stair shell formed of plastic sheet material and a plurality of elongated rigidizing members which are encapsulated within the plastic sheet material of the stair shell, and support braces for supporting the unitary stair module. A method of manufacturing the unitary stair module of the step system is disclosed and comprises encapsulating each of the rigidizing members in the plastic sheet material of the stair shell by vacuum forming.

REFERENCES:
patent: 1092572 (1914-04-01), Hartmann
patent: 4343120 (1982-08-01), Witte
patent: 4631874 (1986-12-01), Griffin, Jr.
patent: 5010699 (1991-04-01), Maiuccoro et al.

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