F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 59/22 (2006.01) F16L 59/02 (2006.01)
Patent
CA 2222778
Process and apparatus for the preparation of a tubular sheathing of mineral fibres for insulation purposes wherein a mineral fibre web is treated in at least one longitudinally extending zone in such a way that the bond between the fibres in this zone is weakened, the web thus treated subsequently being wound up so as to form a roll having an axially extending hole, and the roll being slit along a generatrix so as to provide an openable, easily bendable tubular sheating.
La présente invention concerne un procédé et un dispositif de production d'une gaine tubulaire d'isolation en fibres minérales. Le procédé consiste à traiter une nappe en fibres minérales au niveau d'au moins une zone longitudinale de façon à affaiblir la liaison entre les fibres de cette zone, puis à enrouler la nappe ainsi traitée de façon à former un rouleau comportant un trou axial, le rouleau étant ensuite fendu selon une génératrice de façon qu'une gaine tubulaire qu'il est possible d'ouvrir et pouvant facilement se fléchir soit obtenue.
Cridland Ian
Husbjerg Jens
Fetherstonhaugh & Co.
Rockwool International A/s
LandOfFree
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