Method of manufacturing a mat

A mat comprises a top layer of highly plasticised PVC, 4, a backing layer of rubber 6 and an optional intermediate layer of woven polyester. During manufacture the top layer and optional intermediate layer are placed on a backing layer of uncured rubber and the layers are then laminated together in...

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Bibliographische Detailangaben
1. Verfasser:	TERENCE MICHAEL HEDLEY
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A mat comprises a top layer of highly plasticised PVC, 4, a backing layer of rubber 6 and an optional intermediate layer of woven polyester. During manufacture the top layer and optional intermediate layer are placed on a backing layer of uncured rubber and the layers are then laminated together in a heated press between woven PTFE release sheets. The application of temperature and pressure cures the rubber during lamination. The PVC layer may be perforated to allow gas escape during lamination. The PTFE release sheets may be finely woven to reduce surface texturing of the finished mat. The finished mat may passed through heated rollers, or subjected to additional pressing in a heated press, to further reduce surface texturing. The mats are launderable and stated to be used for trapping dust and/or bacteria, for example in a clean room environment.