Method for producing a hollow body provided with a stand ring by

Details Method for producing a hollow body provided with a stand ring by Method for producing a hollow body provided with a stand ring by

1986-12-03

1988-09-06

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

425525, B29C 4916, B29C 4930

Patent

active

047692065

ABSTRACT:
In a blow mould firstly a convexly formed bottom is blown. An intermediate region lying between an axially displaceable bottom mould and the blow mould bears on mould portions which on introduction of the bottom mould are pivoted back for turning back the bottom region to form a stand ring and release the path for the bottom mould which is finally positioned on the blow mould so that a closed mould cavity is formed on which the transformed bottom region can be reliably applied by blow pressure.

REFERENCES:
patent: 3949033 (1976-04-01), Uhlig
patent: 4035461 (1977-07-01), Korth
patent: 4120927 (1978-10-01), Nielsen

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