Production of laminated fabrics

In making laminated fabrics, e.g. so-called 'iron-on' material, resin powder is deposited on backing material in the form of a regular pattern of dots to give a 'tack welding' effect and the material is then conveyed to a heating zone where the dots of resin are fused to it. Afte...

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Bibliographische Detailangaben
Hauptverfasser: SMITH ROBERT LEWIS, WOODFORD GERALD
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In making laminated fabrics, e.g. so-called 'iron-on' material, resin powder is deposited on backing material in the form of a regular pattern of dots to give a 'tack welding' effect and the material is then conveyed to a heating zone where the dots of resin are fused to it. After fusion the material may be laminated immediately with other layers or may be cooled and wound up for subsequent lamination. Preferred resins are polyolefins such as low density polyethylene, or high density polyethylene, or polypropylene, or copolymers of ethylene and propylene. Copolymers of ethylene and vinyl acetate may also be used.