Nozzle plate holder

Details Nozzle plate holder Nozzle plate holder

1975-06-09

1977-07-26

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425464, B29F 300

Patent

active

040380050

ABSTRACT:
Holding means for a nozzle plate in apparatus for extruding a thermoplastic polymer melt, especially in melt-spinning apparatus for producing synthetic filaments from a fiber-forming polymer, said holding means essentially including a housing having a cavity open at its discharge end to receive the nozzle plate arranged perpendicularly to the axial direction of the flow of the polymer melt therethrough and having a peripheral groove near its discharge end for removably inserting a plurality of supporting ledge elements for seating the nozzle plate, preferably in a self-sealing assembly with a sealing ring or gasket contacting the directly adjacent bearing surfaces of each of the nozzle plate, the supporting ledge elements and the inner wall of the housing.

REFERENCES:
patent: 861143 (1907-07-01), Scott
patent: 3259938 (1966-07-01), Martin
patent: 3351691 (1967-11-01), Wilford
patent: 3427685 (1969-02-01), Gove et al.
patent: 3479692 (1969-11-01), Van Den Biggelaar

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