Method and apparatus for forming a container pan

Details Method and apparatus for forming a container pan Method and apparatus for forming a container pan

B - Operations, Transporting

21

D

113/7

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

Patent

CA 1062965

ABSTRACT A method and apparatus are disclosed for forming a drawn container pan having planar side walls and smooth curved corner walls the upper edges of which are formed with an outwardly directed peripheral stacker ledge and an upstanding rim, and wherein the pan is formed by drawing the peripheral edge of a blank between clamping surfaces under selected pressure differ- ential at the portions of the blank forming the side and corner walls of the pan. A method and apparatus are also disclosed for trimming the drawn pan and forming stacking protuberances adjacent the corners of the pan.

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