Sheet material, method of producing same and rolls for use...

Details Sheet material, method of producing same and rolls for use... Sheet material, method of producing same and rolls for use...

B - Operations, Transporting

21

D

B21D 13/04 (2006.01) B29C 59/04 (2006.01)

Patent

CA 2149914

A stud for use in partitioning is formed by passing plain sheet material between a pair of rolls (18, 19), each having projections, to form projections at both of the apposite surfaces of the material and then roll-forming the material to a channel, the positions of the projections and recesses at each surface of the material being such that lines drawn on a surface of the material between adjacent rows of projections and depressions are not rectilinear.

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