A method for applying a film on moulded fibrous product and a product produced by said method
AssigneePAKIT International Trading Company Inc.
InventorBjorn Nilsson
Life of this patent
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Abstract
The present invention relates to a permeable suction mould arranged to support a fibrous product during application of a surface film onto a surface of said fibrous product, said mould including suction carrying structure for delivery of suction to the mould surface wherein said suction carrying structure is formed by a porous structure in a sintered material.
Claims20
Use of a permeable suction mould arranged to support a fibrous product, for application of a surface film onto a surface of said fibrous product, said mould including suction carrying structure (10, 20) for delivery of suction to the mould surface (13) and wherein said suction carrying structure is formed by a porous structure in a sintered material.
A method of producing a moulded fibrous product, said method comprising:
- a. providing a moulded, hot-pressed fibrous product formed from an aqueous pulp suspension in a vat;
- b. applying a surface film to the surface of at least a first side of the product, to produce a moulded fibrous product having a surface film;
- said method being characterized by
- c. providing a suction carrying structure for supporting the product during the application of the surface film;
- and
- d. applying suction through the pores of the suction carrying structure during the application of the surface film material.
Dependencies are inferred from the claim text.