EP 4223930 A1 20230809 - CONCRETE SLAB WITH DRAINAGE HOLES
Title (en)
CONCRETE SLAB WITH DRAINAGE HOLES
Title (de)
BETONPLATTE MIT DRAINAGELÖCHERN
Title (fr)
DALLE DE BÉTON AVEC TROUS DE DRAINAGE
Publication
Application
Priority
EP 22155696 A 20220208
Abstract (en)
A prefab concrete slab (1) comprising:a concrete slab having an upper surface and a lower surface;a plurality of inserts (5) defining holes extending from an upper surface to a lower surface of the concrete slab;wherein the inserts have a conical shape with the holes defined thereby having an increasing cross-sectional area from the upper surface towards the bottom surface of the tile.
IPC 8 full level
E01C 5/06 (2006.01); E01C 5/08 (2006.01); E01C 11/18 (2006.01); E01C 11/22 (2006.01)
CPC (source: EP)
E01C 5/06 (2013.01); E01C 5/08 (2013.01); E01C 11/18 (2013.01); E01C 11/225 (2013.01); E01C 2201/20 (2013.01)
Citation (applicant)
- US 6585449 B2 20030701 - CHEN JUI-WEN [TW]
- US 2005224690 A1 20051013 - HOBBS GEORGE J [US]
Citation (search report)
- [IAY] US 2018080202 A1 20180322 - CHEN JUI-WEN [TW]
- [YA] JP H074916 U 19950124
- [IA] US 2009242731 A1 20091001 - DINKINS DAVIS [US]
- [IA] US 8496396 B1 20130730 - ALLEN JEFFREY J [US]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
EP 22155696 A 20220208; EP 23155592 A 20230208