Mechanical locking of floor panels with vertical folding

(19)

(11)

EP 2 570 565 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	16.11.2016 Bulletin 2016/46

(43)	Date of publication A2:
	20.03.2013 Bulletin 2013/12

(21)	Application number: 12196884.6

(22)	Date of filing: 25.10.2007

(51)

International Patent Classification (IPC):

E04F 15/02^(2006.01)

E04F 15/04^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK RS

(30)

Priority:

15.11.2006 SE 0602429
15.11.2006 US 858968 P

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	07835365.3 / 2082103

(71)	Applicant: Välinge Innovation AB
	263 65 Viken (SE)

(72)	Inventor:
	Pervan, Darko 263 61 Viken (SE)

(74)	Representative: Engstrand, Ola
	Välinge Innovation AB Patent Department Prästavägen 513 263 65 Viken 263 65 Viken (SE)

(54)	Mechanical locking of floor panels with vertical folding

(57) A flexible tongue is disclosed that is designed according to a hinge principle with a rigid protrusion and a flexible knee joint such that it does not bend horizontally during locking.

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