Method and apparatus for removing a nozzle insert from a steelma

Details Method and apparatus for removing a nozzle insert from a steelma Method and apparatus for removing a nozzle insert from a steelma

1993-04-26

1994-08-16

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Disassembling

29252, 29261, B23P 1900

Patent

active

053374703

ABSTRACT:
A nozzle extraction tool for removing a worn nozzle insert from a steelmaking vessel. The nozzle extraction tool including a support frame, a gripper assembly, and a drive piston for applying a force to the gripper assembly. The gripper assembly includes pivotal gripper arms and a rod assembly for pivoting and rotating the gripper assembly 360.degree. about the longitudinal axis of the worn nozzle insert. The rod assembly enables the gripper arms to be securely seated against the uneven surfaces of the worn discharge bore extending through the nozzle insert.

REFERENCES:
patent: 766753 (1904-08-01), Brooks
patent: 1331305 (1920-02-01), Wilkinson, Jr.
patent: 1403589 (1922-01-01), Cinqini
patent: 1581057 (1926-04-01), Hill
patent: 1601321 (1926-09-01), Picos
patent: 1692274 (1928-11-01), Malloy et al.
patent: 2561577 (1951-07-01), Knudsen
patent: 2566637 (1951-09-01), Roberts
patent: 2697872 (1954-12-01), Armstrong
patent: 3069761 (1962-12-01), Sommer
patent: 3337943 (1967-08-01), Powell
patent: 3458918 (1969-08-01), Kitajima et al.
patent: 3491428 (1970-01-01), Kerin
patent: 4283826 (1981-08-01), Miller
patent: 4355450 (1982-10-01), Miller
patent: 4571802 (1986-02-01), Calhoun et al.
patent: 4754539 (1988-07-01), Knoll et al.
patent: 4959899 (1990-10-01), Martin
patent: 5040278 (1991-08-01), Eckold et al.

Affiliated with

Also associated with

Rating

Method and apparatus for removing a nozzle insert from a steelma does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for removing a nozzle insert from a steelma, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for removing a nozzle insert from a steelma will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-943457