Extrusion die for extruded product

Details Extrusion die for extruded product Extrusion die for extruded product

1988-09-01

1989-05-30

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

99466, 26417716, 2641772, 2642092, 425465, 425467, 426516, B29C 4712

Patent

active

048346357

ABSTRACT:
An extrusion die for producing hollow extrusions from material which is difficult to solidify quickly, e.g. chocolate, the die comprising an outer die part secured to the end of a supply pipe, a central aperture in the outer die part within which an inner die part having a multiplicity of spaced air injectors is provided, so that during extrusion chocolate forced through the apertures surrounds the injectors to produce an extrusion product having a plurality of longitudinal passages therein. A fluid, e.g. air, is passed through the injectors and into the longitudinal passages to prevent collapse of the passages before the chocolate has set. Relative rotation between the outer and inner die parts may be effected.

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