Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for lubricating the mandrel upon the manufacture of seamless tubes by the cold pilger process

Method and apparatus for lubricating the mandrel upon the manufacture of seamless tubes by the cold pilger process

US Patent 4966022 · Granted Oct 30, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Drive system for a rolling mill2006
Cold pilger rolling tool for producing internally ribbed tubes2001
Process for producing metal-sheathed strands, especially glass fiber cables2000
Method and apparatus for cold rolling tubes1999
Method for manufacturing tubes using the cold pilger rolling method1999
Process for rolling tubes1998
Process and device for straight-drawing long drawing material in multiple steps1998
Cold pilgrim rolling1992
Method of pilgrim step rolling1991
Making a hollow of rotational symmetry1988
Procedure and equipment for the manufacture of pipes with external and internal 1984
Pilger tube rolling mill1983