EP 0219985 A3 19880810 - CONCRETE SLAB FOR A PLATFORM FLOOR
Title (en)
CONCRETE SLAB FOR A PLATFORM FLOOR
Publication
Application
Priority
GB 8523810 A 19850927
Abstract (en)
[origin: EP0219985A2] A concrete slab for false floors has a downwardly extending peripheral reinforcing rib, stiffening ribs extending across the slab in two orthogonal directions, a weight not exceeding 20 kgs for an area of 600 x 600 mm and fulfils the medium-grade requirements of Property Services Agency Specification 08.801. It may have further diagonal reinforcing ribs at the corners or a further reinforcing rib inwardly spaced from the peripheral reinforcing rib.
IPC 1-7
IPC 8 full level
E04F 15/024 (2006.01)
CPC (source: EP)
E04F 15/02405 (2013.01)
Citation (search report)
- [YD] EP 0135240 A2 19850327 - C B R BETON [BE]
- [Y] FR 1308339 A 19621103
- [A] US 3295272 A 19670103 - TOMONOBU KANNO
- [A] DE 2319213 A1 19741024 - BUCHMAYER FRANZ
- [A] FR 2083864 A5 19711217 - LISKEY ALUMINUM
- [A] FR 1001569 A 19520225
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0219985 A2 19870429; EP 0219985 A3 19880810; GB 2181171 A 19870415; GB 8523810 D0 19851030; GB 8622989 D0 19861029
DOCDB simple family (application)
EP 86307351 A 19860924; GB 8523810 A 19850927; GB 8622989 A 19860924