Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1977-06-17
1978-11-28
Bell, J. Karl
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
E04B 242
Patent
active
041269802
ABSTRACT:
A metal floor grating comprises a number of parallel load carrying bars interconnected by a number of crossbars, the load carrying bars having an upper (in use) flange or flanges and the bars having a number of plain holes through which the crossbars extend, the crossbars being mechanically deformed betwen the load carrying bars to provide sections having at least one dimension greater than the corresponding dimension of the plain holes, and sections lying within the holes of greater length than the thickness of the load carrying members.
REFERENCES:
patent: 1620846 (1927-03-01), Wells
patent: 1734660 (1929-11-01), Williams et al.
patent: 1917573 (1933-07-01), Black
patent: 3455005 (1969-07-01), Mentis
patent: 3716027 (1973-02-01), Vickstrom et al.
patent: 3948013 (1976-04-01), Lobaugh et al.
patent: 3956788 (1976-05-01), Nagin
patent: 4037383 (1977-07-01), Diebold et al.
Bell J. Karl
Norton Engineering Alloys Company Limited
LandOfFree
Metal 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 Metal grating, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Metal grating will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-972797