Process for fabricating a hollow body

Details Process for fabricating a hollow body Process for fabricating a hollow body

1983-05-05

1985-07-16

Silbaugh, Jan

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 1707

Patent

active

045295700

ABSTRACT:
The method of producing a hollow body from plastic material with an annular protrusion disposed circumferentially around the wall of the body, the method comprising the formation of the protrusion by extruding the protrusion from the wall of the preform after the preform has been made.

REFERENCES:
patent: 4170623 (1979-10-01), Dubois et al.
patent: 4228122 (1980-10-01), Hammes
patent: 4378328 (1983-03-01), Przytulla

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