Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1975-05-07
1976-04-06
Abbott, Frank L.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
52758A, 29160, 29509, 29522, E04C 242, E04C 504, B23P 512
Patent
active
039480135
ABSTRACT:
A cold forged steel grating is formed of a plurality of spaced parallel bearing bars secured to one another by a plurality of spaced parallel cross rods engaged in openings in the bearing bars adjacent their uppermost surfaces with the metal of the bearing bars adjacent the cross rods cold forged into engagement therewith and the metal of the cross rods adjacent the bearing bars flatened by cold forging to forcefully engage the opposite sides of said bearing bars and forming a sturdy rigid grating structure.
REFERENCES:
patent: 194541 (1877-08-01), Stark
patent: 857724 (1907-06-01), Dean
patent: 1734660 (1929-11-01), Williams et al.
patent: 2155694 (1939-04-01), Tench
patent: 2169649 (1949-08-01), Knapp et al.
patent: 2208020 (1940-07-01), Delanty
patent: 2241952 (1941-05-01), Lachman
patent: 2656903 (1953-10-01), Kerrigan
Gallo Thomas S.
Lobaugh Lawrence E.
Abbott Frank L.
Harpman Webster B.
Ridgill, Jr. James L.
LandOfFree
Cold forged steel grating does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cold forged steel grating, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cold forged steel grating will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1568618