Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Extrusion shaping means
Patent
1982-02-08
1984-07-31
Thurlow, Jeffery R.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Extrusion shaping means
15624413, 156500, 264173, 264174, 4251331, 425462, B29F 304
Patent
active
044627785
ABSTRACT:
The extrusion head comprises a first extrusion outlet surrounding an aperture wherethrough a metal section can be fed and a second extrusion outlet located externally to the first extrusion outlet, the latter being communicated to a first feed branched channel for the plastics material to be extruded, extending substantially perpendicularly to the feed direction of the metal section, while the second extrusion outlet is in turn communicated to a second plastics material branched channel also perpendicularly extending to the feed direction of the metal section and substantially juxtaposed to the first channel.
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patent: 4073673 (1978-02-01), Raabe et al.
patent: 4081232 (1978-03-01), Pemberton et al.
patent: 4130976 (1978-12-01), Kesseler et al.
patent: 4281492 (1981-08-01), Schock et al.
Josif Albert
Modiano Guido
Thurlow Jeffery R.
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