EP 1951968 A4 20090715 - SYSTEM AND METHOD FOR MAKING WALLBOARD
Title (en)
SYSTEM AND METHOD FOR MAKING WALLBOARD
Title (de)
SYSTEM UND VERFAHREN ZUR HERSTELLUNG EINER WANDBAUPLATTE
Title (fr)
SYSTEME ET PROCEDE DE FABRICATION DE PANNEAUX DE PAREMENT
Publication
Application
Priority
- US 2006043757 W 20061109
- US 73612305 P 20051109
- US 34534906 A 20060201
Abstract (en)
[origin: WO2007056562A1] A method of making wallboard including the steps of providing an unfinished length of wallboard that has a recess along its longitudinal edges by conveying it upon a conveyor in a first direction in a step, forming recesses in the unfinished length of wallboard at both lateral edges thereof, selecting an apparatus for forming the recess from a plurality of device for forming the recess, forming the recess with the selected apparatus, and separating the unfinished length of wallboard at a location of the recess to form finished lengths of wallboard, such that the finished lengths of wallboard have recessed lateral edges. Also disclosed is a system for performing the method.
IPC 8 full level
E04C 2/04 (2006.01)
CPC (source: EP US)
B28B 11/10 (2013.01 - EP US); B28B 11/14 (2013.01 - EP US)
Citation (search report)
- [A] WO 2004007162 A1 20040122 - LAFARGE PLATRES [FR], et al
- [A] US 2004065399 A1 20040408 - CONBOY JOHN S [US]
- See references of WO 2007056562A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007056562 A1 20070518; AT E553899 T1 20120515; AU 2006311497 A1 20070518; CA 2632927 A1 20070518; CA 2632927 C 20140422; EP 1951968 A1 20080806; EP 1951968 A4 20090715; EP 1951968 B1 20120418; ES 2385357 T3 20120723; IL 195714 A0 20090922; PL 1951968 T3 20120928; US 2007119119 A1 20070531
DOCDB simple family (application)
US 2006043757 W 20061109; AT 06837306 T 20061109; AU 2006311497 A 20061109; CA 2632927 A 20061109; EP 06837306 A 20061109; ES 06837306 T 20061109; IL 19571408 A 20081204; PL 06837306 T 20061109; US 34534906 A 20060201