EP 4177028 A1 20230510 - APPARATUS FOR PRESTRESSING REINFORCEMENT STRANDS
Title (en)
APPARATUS FOR PRESTRESSING REINFORCEMENT STRANDS
Title (de)
VORRICHTUNG ZUM VORSPANNEN VON VERSTÄRKUNGSSTRÄNGEN
Title (fr)
APPAREIL POUR LA PRÉCONTRAINTE DE FILS DE RENFORCEMENT
Publication
Application
Priority
EP 21207032 A 20211109
Abstract (en)
Apparatus (1) for prestressing reinforcement strands (2) in the prefabrication of prestressed concrete products on a casting bed, wherein the apparatus comprises at least one device (17) - preferably a hydraulic cylinder - for moving a strand pulling beam (3) in relation to the casting bed, wherein the apparatus (1) further comprises at least one device (9, 9') for operating locking means (5) - preferably wedges - of the strand pulling beam (3) for locking and releasing the position of the strand pulling beam (3) in relation to the casting bed.
IPC 8 full level
B28B 23/04 (2006.01); B28B 23/06 (2006.01)
CPC (source: EP)
B28B 23/04 (2013.01); B28B 23/043 (2013.01); B28B 23/06 (2013.01)
Citation (search report)
- [XYI] JP H05345312 A 19931227 - JIOTOTSUPU KK
- [Y] US 2016060868 A1 20160303 - EILOLA JANI [FI]
- [X] SU 1236083 A1 19860607 - SP K B GLAVMOSTROYA MIN TRANSP [SU]
- [X] WO 2011115493 A1 20110922 - TECH ADVIES EN ONTWIKKELINGSBUREAU KUIPERS B V [NL], et al
- [X] RU 2576675 C2 20160310 - SITNIKOV SERGEJ LVOVICH [RU]
- [X] JP 2003266422 A 20030924 - KURIMOTO LTD
- [A] US 2511761 A 19500613
- [A] FR 2679583 A1 19930129 - RECTOR SA [FR]
- [A] SU 1294966 A1 19870307 - Z ZHELEZOBETONNYKH IZDELIJ N 1 [SU]
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 21207032 A 20211109