METHOD OF TESTING LUBRICANTS Russian patent published in 2004 - IPC

Abstract RU 2240532 C1

FIELD: investigating or analyzing materials.

SUBSTANCE: method includes applying the lubricant to be tested on the contact surfaces of the punch and the base blank, clamping the sheet blank together with the base sheet blank over periphery, and drawing them together.

EFFECT: enhanced reliability.

1 dwg

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RU 2 240 532 C1

Authors

Kostylev A.V.

Klimychev S.B.

Zheleznjakov D.Ju.

Dates

2004-11-20—Published

2003-06-04—Filed