Co-steel International Limited

Raymond Earl Bowman

Anthony Greaves

In the high speed production of elongated metal bars, a method of slitting a double or triple stranded bar interconnected at a continuous node or nodes, in which the bar is rolled to reduce the cross-section of each strand equally, the compressive working force being applied to create lateral tensile forces whereby the strands diverge and separate. In a triple stranded bar the two outer strands are worked in the same manner to separate them from the central strand.

Method of slitting a double or triple stranded bar

A device for slitting billets rolled to produce a multiple stranded bar, in which a guide member and support rollers direct the multiple stranded bar, emerging from a stand, against a rotary knife having a circular blade bevelled peripherally to provide shoulders over which individual strands will ride, thus splitting the bar in advance of the knife. Passages behind the knife channel the individual strands.

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Oshawa, Canada

Raymond Earl Bowman