Extrusion head for use in blow molding machine

Details Extrusion head for use in blow molding machine Extrusion head for use in blow molding machine

1981-06-05

1983-12-27

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

264540, 264541, 2642092, 2642098, 425532, 425558, 425561, 425380, 425381, 425465, 425466, 425467, B29D 2304

Patent

active

044228384

ABSTRACT:
An extrusion head for use in blow molding machines for molding parison having a single layer or wall or a plurality of layers or walls, in which a plunger is slidably interposed between a head body and a core and the plastic material is successively accumulated in an accumulation chamber defined between the extruding end of the plunger, the head body and the core so that the faster the plastic material is introduced into the extrusion head, the faster it is extruded.

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patent: 4165212 (1979-08-01), Ziegler
patent: 4208178 (1980-06-01), Przytulla
patent: 4279857 (1981-07-01), Feuerherm

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