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1. WO2001076861 - COUSSINETS DE PRESSION

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS

1. A press pad for use in a laminate press operating at temperatures of up to 180°C comprising a woven fabric (10) of strands that are heat resistant up to 200°C and wherein a substantial proportion of at least one of the warp (11) and the weft (12) comprises silicone covered strands (12), and characterised in that the fabric (10) contains no metal strands, and in that the other of the warp (11) and the weft (12) comprising the silicone covered strands (12) comprises at least one of a polyester and a non-aromatic polyamide yarn such as nylon.

2. A press pad as claimed in Claim 1, characterised in that the silicone covered stands (12) comprise silicone covered glass yarn (13, 14) .

3. A press pad as claimed in Claim 2, characterised in that the glass yarn (13) comprises continuous filament glass yarn that has a diameter of around 0.38 mm.

4. A press pad as claimed in any one of Claims 1 to 3, characterised in that the silicone covered strands (12) are covered with an extruded coating of silicone (14) to a depth of around 0.2 mm.

5. A press pad as claimed in any one of Claims 1 to 4, characterised in that the woven fabric (10) has a warp (11) comprising polyester yarns and a weft (13) comprising silicone covered glass yarns.

6. A press pad as claimed in any one of Claims 1 to 4, characterised in that the woven fabric (10) has a warp (11) comprising non-aromatic polyamide yarns and a weft (13) comprising silicone covered glass yarns.

7. A press pad as claimed in any one of Claims 1 to 6, characterised in that it comprises a pre-shrunk woven fabric (10) which has been subjected to temperature of 190°C for a predetermined period.

8. A press pad for use in a high pressure laminate press substantially as described herein with reference to the accompanying drawing.