Title (en)

IMPROVEMENTS IN CASTELLATED BEAMS

Title (de)

WABENTRÄGER

Title (fr)

PERFECTIONNEMENTS A DES POUTRES CRENELEES

Publication

EP 1155203 A1 20011121 (EN)

Application

EP 00903827 A 20000215

Priority

• GB 0000506 W 20000215
• GB 9904328 A 19990226

Abstract (en)

[origin: GB2347153A] A method of forming a castellated beam having a series of openings (32) of a first form, eg circular, comprises first forming a beam with openings (25) of a second form, eg hexagonal. The first form of openings (32) are then cut around the second form of openings (25).

IPC 1-7

E04C 3/08

IPC 8 full level

E04C 3/08 (2006.01); E04C 3/04 (2006.01)

CPC (source: EP)

E04C 3/086 (2013.01); E04C 2003/0413 (2013.01); E04C 2003/0434 (2013.01); E04C 2003/0452 (2013.01)

Citation (search report)

See references of WO 0050705A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

GB 2347153 A 20000830; GB 9925302 D0 19991229; AU 2558500 A 20000914; EP 1155203 A1 20011121; GB 9904328 D0 19990421; WO 0050705 A1 20000831; ZA 200107011 B 20020529

DOCDB simple family (application)

GB 9925302 A 19991027; AU 2558500 A 20000215; EP 00903827 A 20000215; GB 0000506 W 20000215; GB 9904328 A 19990226; ZA 200107011 A 20010824