MULTIROW EXPANDER Russian patent published in 1997 - IPC

Abstract RU 2095226 C1

FIELD: metal working. SUBSTANCE: expander has a mandrel detachable in the cross-section. The portions of the expander are pivotally interconnected. The deforming members of each portion of the mandrel are mounted for permitting interaction with the bearing cone. Each bearing cone is mounted on an individual member that allows the deforming members to ba self-adjusted in the opening to be worked. The portions of the mandrel are pivotally interconnected. EFFECT: improved design. 2 cl, 1 dwg

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RU 2 095 226 C1

Authors

Khalin G.F.

Dates

1997-11-10—Published

1995-08-31—Filed