Injection molding device with intermediate storage space

Details Injection molding device with intermediate storage space Injection molding device with intermediate storage space

B - Operations, Transporting

29

C

B29C 45/17 (2006.01) B29C 45/46 (2006.01) B29C 45/54 (2006.01)

Patent

CA 2425454

An injection molding device includes a continuously operating extruder and a discontinuously operating injection unit receiving plastic material from the extruder, The extruder has an extruder barrel which includes a plasticizing zone and a discharge zone, whereby the discharge zone is configured to provide an intermediate storage space and has a cross sectional area which is greater than a cross sectional area of the plasticizing zone. In this way, the discharge zone provides a buffer volume which is filled during the injection process and then emptied again.

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