LUBRICANT FOR APPLYING ONTO MANDREL DURING MANUFACTURE OF SEAMLESS PIPES Russian patent published in 1997 - IPC

Abstract RU 2100422 C1

FIELD: production of seamless pipes. SUBSTANCE: lubricating material comprises graphite, smectite-type clayey minerals, polysaccharides and, optionally, surfactant. In form of aqueous dispersion, material is applied onto mandrels pre-cooled in cooling bath. EFFECT: cheap and readily available lubricating material which can be easily manufactured in situ. 9 cl, 1 tbl

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RU 2 100 422 C1

Authors

Kristian Shnajder[Ch]

Zhak Periard[Fr]

Dates

1997-12-27—Published

1993-02-05—Filed