EP 0005238 B1 19810401 - FLOOR COVERING FOR INDOOR OR OUTDOOR SPORTING AND PLAYING AREAS
Title (en)
FLOOR COVERING FOR INDOOR OR OUTDOOR SPORTING AND PLAYING AREAS
Publication
Application
Priority
DE 2819252 A 19780502
Abstract (en)
[origin: EP0005238A2] 1. Surface flooring for sport and playing rooms and fields with a foundation arranged on the subsoil (1) and containing loose material (6) and with at least one superimposed water impermeable covering layer (7) characterized in that a) the foundation incorporates at least one supporting layer (3) consisting of honeycombed connected supporting bands (4) of impregnated cardboard or impregnated paper vertical to the plane of the layer, and b) the hollow spaces (5) of the supporting layer (3) are completely filled with finely crushed waterproof loose materials (6) preferably sand or finely crushed rocks.
IPC 1-7
IPC 8 full level
E04F 15/12 (2006.01); E01C 3/00 (2006.01); E01C 13/00 (2006.01); E01C 13/02 (2006.01); E04F 15/18 (2006.01); E04F 15/22 (2006.01)
CPC (source: EP)
E01C 3/006 (2013.01); E01C 13/02 (2013.01); E04F 15/18 (2013.01); E04F 15/182 (2013.01); E04F 15/186 (2013.01)
Designated contracting state (EPC)
BE CH FR GB IT NL SE
DOCDB simple family (publication)
EP 0005238 A2 19791114; EP 0005238 A3 19791212; EP 0005238 B1 19810401; AR 221875 A1 19810331; AT 369457 B 19830110; AT A297779 A 19820515; AU 4656979 A 19791108; AU 532690 B2 19831013; BR 7902683 A 19791127; DE 2819252 A1 19791108; DE 2819252 C2 19840823; ES 242969 U 19790801; ES 242969 Y 19800116; JP S54147622 A 19791119; JP S585345 B2 19830131; NZ 190331 A 19830531; YU 39692 B 19850320; YU 98879 A 19820831
DOCDB simple family (application)
EP 79101255 A 19790426; AR 27635279 A 19790430; AT 297779 A 19790419; AU 4656979 A 19790501; BR 7902683 A 19790502; DE 2819252 A 19780502; ES 242969 U 19790427; JP 5468379 A 19790501; NZ 19033179 A 19790501; YU 98879 A 19790425