Plate forming die set

Details Plate forming die set Plate forming die set

B - Operations, Transporting

31

D

B31D 5/02 (2006.01) B31B 43/00 (2006.01)

Patent

CA 2062361

An apparatus 2 for press forming products having a desired shape from a web 4 is provided wherein the apparatus comprises a cyclically operating blanking section 10 for cutting the web to produce a single blank for each blanking cycle and a cyclically operating forming section 40 for receiving a plurality of single blanks 30 from the blanking section during a first portion of each forming cycle and for press forming the plurality of single blanks into a plurality of three dimensional press formed paperboard products having the desired shape during a second portion of each forming cycle. The forming section includes a die set 42 having a plurality of forming die cavities 70,70' wherein each of the forming die cavities receives a single blank. The blanking section operates cyclically at a predetermined rate r and the die set of the forming section includes n forming die cavities, the blanking section operating at n cycles for each forming cycle and the forming section operating cyclically at a rate r/n.

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