Containers

Details Containers Containers

B - Operations, Transporting

21

D

B21D 51/26 (2006.01) B21D 22/10 (2006.01) B65D 1/16 (2006.01)

Patent

CA 2074835

CONTAINERS ABSTRACT A method and apparatus are described for forming a plurality of axially extending externally concave complete flutes defining a fluted profile in a cylindrical can body (1). The apparatus comprises a correspondingly profiled mandrel (11) of maximum diameter less than the minimum diameter of the cylindrical can body and comprising a whole number of complete flutes which is less than the number of flutes on the finished can body, an elongate rail (14), means (12) for locating a cylindrical can body over the mandrel, and means (10) for rolling the mandrel relative to the rail to deform a portion of the cylindrical can body between the mandrel and the rail into the fluted profile.

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