Grating

Details Grating Grating

1990-04-11

1991-05-28

Scherbel, David A.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Fabric or lattice; e.g., indeterminate grating

52668, E04C 504

Patent

active

050183320

ABSTRACT:
A grating including longitudinal tubular elements and transverse tubular elements wherein each of the longitudinal and transverse elements is intermittently staggeringly provided with a plurality of indentations respectively positioned on the upper and lower portions thereof. Such grating permits an upper (lower) indentation of a longitudinal (transverse) element to match thereabove (thereunder) a lower (upper) indentation of a transverse (longitudinal) one.

REFERENCES:
patent: 3748814 (1973-07-01), Cribben
patent: 3927950 (1975-12-01), Herrmann et al.
patent: 4145858 (1979-03-01), Doveman

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