Universal cordage

Details Universal cordage Universal cordage

H - Electricity

01

B

337/27

H01B 7/06 (2006.01) H01B 7/08 (2006.01)

Patent

CA 2001324

Abstract Cordage which may be used for any of the commonly marketed lengths of retractile cords comprises an array of a plurality of conductors each insulated with a suitable plastic material. The array of conductors is enclosed in inner and outer jackets. The inner jacket comprises a polyvinyl chloride (PVC) plastic material, for example, and has a thickness of about 0.015 inch. Covering the inner jacket is an outer jacket comprising a polyvinyl chloride plastic material having a thickness of about 0.005 inch and having a colorant constituent. The PVC composition of the inner layer is such that it is a less expensive composition than that of the outer layer. Enclosing the outer jacket is a layer which comprises a top coating material. The top coating material provides the cordage with enhanced retractibility and prevents discoloration as well as plasticizer migration from the outer jacket.

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