FORFARANDE OCH ANORDNING FOR FRAMSTELLNING AV PRODUKTER AV MINERALULL

摘要

The raw material is melted and passes to the rotating cylindrical body. It flows from the perimeter as fibres which are guided away from the plant by a gas stream. The fibres pass to moving collector surfaces which comprises two gas permeable surfaces through which gas passes to free the webs from the surface. Two or more mineral fibre webs are formed. They subsequently form an intermediate web which is folded to the desired thicknesses