Spirent Plc

John Nicholas Haggerty

Dominic Roger Meech

Timothy Mathias

Printed markers for identifying electrical cables are formed by winding an elongate plastics strip or flattened length of plastics tubing,onto a reel,which is then mounted for rotation to a thermal transfer printer,The printer then prints markings,onto the strip or tubing,as it advances past a print head,of the printer,The strip or tubing,may be formed with transverse lines of weakness at intervals along its length, to define successive markers. The thermal transfer printer,comprises a transfer ribbon,carrying a releasable printing composition, which print composition comprises a first pigmentation material capable of penetrating into the plastics of the strip or tubing,and a second pigmentation material capable of adhering to the surface of the plastics of the strip or tubing

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Plymouth, United Kingdom

John Nicholas Haggerty