Improvements in props for construction work

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EP 2 405 081 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	13.06.2012 Bulletin 2012/24

(43)	Date of publication A2:
	11.01.2012 Bulletin 2012/02

(21)	Application number: 11183443.8

(22)	Date of filing: 26.05.2005

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International Patent Classification (IPC):

E04G 25/06^(2006.01)

(84)	Designated Contracting States:
	DE ES FR IT PL PT

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Priority:

03.06.2004 ES 200401355

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	05380107.2 / 1602791

(71)	Applicant: Sistemas Técnicos De Encofrados, S.A.
	08150 Parets Del Valles (Barcelona) (ES)

(72)	Inventor:
	Ubiñana Felix, Jose Luis 08150 Parets del Valles (Barcelona) (ES)

(74)	Representative: Durán Moya, Carlos et al
	DURAN-CORRETJER Còrsega, 329 08037 Barcelona 08037 Barcelona (ES)

(54)	Improvements in props for construction work

(57) The improvements in construction props provide the formation of the foot and the top part of the prop by means of plates pressed directly to the corresponding tubular member being the plates featured by cold-cramping deformation and pressing forming a cramp zone of substantially doughnut structure cramped at the edge of the central opening of the corresponding plate.

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