Fire escape – ladder – or scaffold – Platform
Patent
1987-10-22
1988-05-10
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Platform
182 46, 182150, E04G 508
Patent
active
047428902
ABSTRACT:
A work platform comprising a moulded polymeric resin fibre-reinforced generally channel-section shell having a lip flange extending inwardly from each channel side, and comprising tensile elongation resisting reinforcement comprising fibres extending longitudinally at least along marginal zones of the channel base and of the lip flanges adjacent the channel sides, and said channel sides comprising fibrous reinforcement resisting tensile elongation of said sides in the direction perpendicular to said marginal zones, whereby said platform is rendered substantially rigid to bending about axes transverse of said channel structure.
REFERENCES:
patent: 2225737 (1940-12-01), Vaney
patent: 3260522 (1966-07-01), White
patent: 3744591 (1973-07-01), Lucci
patent: 4029172 (1977-06-01), Green
patent: 4349297 (1982-09-01), Misener
patent: 4496029 (1985-01-01), Kuroda
patent: 4520897 (1985-06-01), Gebo
patent: 4655321 (1987-04-01), Salvarezza
patent: 4683981 (1987-08-01), Salvarezza
Protective Plastics Limited, "Suspension Platform Meets Critical Standards", Electrical Equipment News, Nov. 1985, p. 30.
Chance Catalogue, pp. 3D-3 and 3D-9.
Machado Reinaldo P.
Protective Plastics Limited
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