A METHOD OF AND A DEVICE FOR PRODUCING A BUILDING ELEMENT

摘要

A method of and a device for folding over and pressing a fibrous sheet (2) to produce a panel-shaped building element (3) having two large faces (30). The device (1) comprises a press roll (16) that moves in a closed loop around the fibrous sheet (2) to first fold one half (24) of the fibrous sheet (2) over the other half (23) and then press the combined two halves (23, 24) to form the building element (3).