EP 3127630 A1 20170208 - COLD HEADING FORMED WEDGE FOR USE IN POST TENSIONING CONCRETE
Title (en)
COLD HEADING FORMED WEDGE FOR USE IN POST TENSIONING CONCRETE
Title (de)
KALTSTAUCHGEFORMTER KEIL ZUR VERWENDUNG IN VORGESPANNTEM BETON
Title (fr)
COIN FORMÉ DE MATRIÇAGE À FROID DESTINÉ À ÊTRE UTILISÉ EN BÉTON POST-CONTRAINTE
Publication
Application
Priority
- US 201562200994 P 20150804
- US 201514944793 A 20151118
- US 2015061320 W 20151118
Abstract (en)
A wedge for use in post tensioning concrete is formed by cold heading. The cold heading operation may include providing a wire, feeding the end of the wire into a cold heading apparatus, cold heading the end of the wire to form at least one wedge blank, and finishing the wedge blank to form the wedge.
IPC 8 full level
CPC (source: EP)
B21J 5/08 (2013.01); B21J 9/022 (2013.01); B21K 1/76 (2013.01); E04C 5/122 (2013.01)
Citation (search report)
- [I] EP 2151289 A1 20100210 - PRESSWERK KREFELD GMBH & CO KG [DE]
- [A] US 4362421 A 19821207 - KELLY WILLIAM F
- [A] DE 975906 C 19621129 - FORSSELL CARL ABRAHAM
- [A] JP 2006255778 A 20060928 - SAKAMURA MACH CO LTD
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
DOCDB simple family (publication)
DOCDB simple family (application)
EP 16180573 A 20160721