Blow mandrel for extrusion blow molding with agressive blow medi

Details Blow mandrel for extrusion blow molding with agressive blow medi Blow mandrel for extrusion blow molding with agressive blow medi

1987-03-25

1988-08-30

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Tamp rod, plunger or male shaping member

425535, 285355, 285 90, A01J 2100

Patent

active

047673109

ABSTRACT:
Escape of the blow medium at the blow mandrel/HDPE contact surface is prevented during extrusion blow molding of HDPE with an aggressive blow medium if a blow mandrel with a movable sealing element is used.

REFERENCES:
patent: 904673 (1908-11-01), Bideker
patent: 1138946 (1915-05-01), Elliot
patent: 1218359 (1917-03-01), Beatty
patent: 1393057 (1921-10-01), Vollmer
patent: 2329876 (1943-09-01), Castellano
patent: 3873660 (1975-03-01), Reilly

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