Method of and means for producing a helical band

Details Method of and means for producing a helical band Method of and means for producing a helical band

Category

B - Operations, Transporting

Subcategory

29

Subsubcategory

C

CPC

18/1000, 18/70

IPC codes

B29C 39/04 (2006.01)

Type

Patent

Patent number

CA 1235556

Description

A METHOD OF AND MEANS FOR PRODUCING A HELICAL BAND Abstract A helical band is produced by applying a layer of heat-settable material on to a rotating support to one side of the axis of rotation. Heat is applied to the layer, as by the support while it rotates, for a length of time sufficient for the material in the layer to set to a required extent to form the band. The band is removed before it comes into contact with the material being applied on the support. The band is preferably made of electrically-insulating material so that it can be wound helically round and bonded to a cylindrical rod of electrically- insulating material to form a helically flanged insulator for use in an overhead electric power transmission line, the flange-forming band defi- ning along the rod a helical leakage path of substantially uniform width.

Application Number

492806

Affiliated with

Also associated with

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