Method of producing an insulation product and a product obtained by said method
AssigneeRockwool International A/S
InventorJens Eg Rahbek
Life of this patent
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Abstract
The present invention concerns a method of producing an insulation product comprising a board of porous insulation material wrapped in a gas-impermeable foil, said method comprising the steps of providing a succession of porous insulation material boards on a first conveyor apparatus and feeding the boards on a second conveyor apparatus; providing wrapping foil and wrapping said foil to form a tube around the boards on said second conveyor apparatus, flushing the boards with an insulating gas, and sealing the wrapping foil at the ends of each board transverse to the direction of travel of the second conveyor apparatus.
Claims9
A method of producing an insulation product comprising a board of porous insulation material wrapped in a gas-impermeable foil, the method comprising the steps of:
- providing a succession of porous insulation material boards on a first conveyor apparatus and feeding the boards on a second conveyor apparatus;
- providing wrapping foil and a flow-wrapping apparatus on the second conveyor apparatus, and wrapping the wrapping foil to form a tubular wrapping foil with a tubular configuration around the boards on the flow-wrapping apparatus on the second conveyor apparatus;
- flushing the boards with an insulating gas;
- and then
- sealing the wrapping foil at a front end and a rear end of each board transverse to a direction of travel of the second conveyor apparatus.
Dependencies are inferred from the claim text.