Mandrel lubricant for the production of seamless tubes
US5492639A · kind A · utility
14Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1994 |
| Grant date | Feb 20, 1996 |
| Priority date | — |
| Expiry date | Jul 22, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A mandrel lubricant for use in the production of seamless tubes. The mandrel lubricant composed of graphite, clay minerals from the smectite class, a polysaccharide and optionally a surfactant. The coating of the mandrels that have passed through a cooling bath takes place in the form of an aqueous dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.