Patent ID: 6094882
Filing Date: 2000-08-01
Classification: E04F,Y10T

Abstract:
A method for making a building board, the building board comprising a body fitted with a locking device in the form of a strip extending from the body with a formed locking surface for mechanical joining of the board to similar boards, the strip and the locking surface being formed in one piece from a blank, wherein said method comprises the following steps A and B in optional order:A. forming the locking surface against a forming surface and subsequently keeping the locking surface thus formed fixed in relation to the forming surface until both step A and step B have been carried out,B. attaching the strip to the body,and, while carrying out the latter of steps A and B, the method further comprises the step of keeping the body fixed against a reference surface, whose position in relation to the forming surface corresponds to a desired position of the locking surface in relation to the body.