Device for manufacturing hollow profiled bodies by extrusion

Details Device for manufacturing hollow profiled bodies by extrusion Device for manufacturing hollow profiled bodies by extrusion

1975-10-07

1977-05-10

Lindsay, Jr., Robert L.

Glass manufacturing

Plural sources feeding diverse glass melts to common forming...

65 1, 65121, 65187, 72468, 425378S, 425381, C03B 3702

Patent

active

040226034

ABSTRACT:
An extrusion die for forming hollow bodies has a flow-adjusting ring which also defines the outer periphery of the flow gap for the outer portion of the body.

REFERENCES:
patent: 2736921 (1956-03-01), Mulbarger et al.
patent: 3559239 (1971-02-01), Work et al.
patent: 3585684 (1971-06-01), McIntosh et al.
patent: 3725192 (1973-04-01), Ando et al.

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