Title:
DIE FOR HOT EXTRUSION
Document Type and Number:
WIPO Patent Application WO/1990/014177
Kind Code:
A1
Abstract:
A die for hot gas extrusion comprises, located consecutively, an inletting, a compacting, a forming and a calibrating section (1, 2, 3, 4), respectively, and an outletting channel (5), so that d D and h = (1.0 - 2.0)d, where d is the diameter of a circle circumscribed around the cross-sectional profile of the calibrating section (4); D is the diameter of the cylindrical cross-section of the compacting section (2) and h is the height of the calibrating section (4). The die is intended preferably for making a particularly thin wire (O ~ 1.0 mm) of a complex profile from deformation resistant materials.
Inventors:
BERBENTSEV VLADIMIR DEMYANOVIC (SU)
DERJUGIN VIKTOR FEDOROVICH (SU)
DERJUGIN VIKTOR FEDOROVICH (SU)
Application Number:
PCT/SU1989/000128
Publication Date:
November 29, 1990
Filing Date:
May 19, 1989
Export Citation:
Assignee:
INST FIZ VYSOKIKH DAVLENY IM L (SU)
International Classes:
B21C23/08; B21C25/02; (IPC1-7): B21C25/02
Foreign References:
| SU1237284A1 | 1986-06-15 | |||
| SU1269870A1 | 1986-11-15 | |||
| SU897360A1 | 1982-01-15 |
Other References:
See also references of EP 0434838A4
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