Improved method for molding of preform

Details Improved method for molding of preform Improved method for molding of preform

B - Operations, Transporting

29

B

B29B 11/08 (2006.01) B29C 45/54 (2006.01)

Patent

CA 2138267

An improved method for injection molding including the steps of plasticizing a shot of molding material with the extruder (21) running at a high rpm, transferring the shot to an accumulator (30) with the extruder (21) running at a low rpm, and injecting the shot into a mold cavity (43).

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