Craig P Lawrence

US Patent:

51175460, Jun 2, 1992

Filed:

Jun 17, 1991

Appl. No.:

7/716047

Inventors:

Craig J. Lawrence - Nazareth PA
James L. Marino - Bethlehem PA

Assignee:

Bethlehem Steel Corporation - Bethlehem PA

International Classification:

B23P 1904

US Classification:

29252

Abstract:

An apparatus for installing a new bull gear onto a trunnion shaft of a BOF, the apparatus comprising a first stop removably attached to the end face of a turnnion shaft, a gear press shaft extending through an aperture within the first stop means, the gear press shaft having a first end portion with an enlarged segment inserted into a recess provided within the trunnion shaft, a second stop adjustably attached to a second end portion of the gear press shaft, a gear press plate removably attached to the gear and encircling the gear press shaft between the first and second stops and a jack means located between the gear press plate and the second stop.

US Patent:

46797742, Jul 14, 1987

Filed:

Nov 13, 1985

Appl. No.:

6/797567

Inventors:

Craig J. Lawrence - Nazareth PA
John J. Ferriola - Fogelsville PA

Assignee:

Bethlehem Steel Corp.

International Classification:

C21C 550

US Classification:

266246

Abstract:

A coupling for fluid conduits contained in a hollow trunnion of a basic oxygen furnace. The coupling is used to connect a plurality of fluid supply conduits to a plurality of fluid distribution conduits in the basic oxygen furnace.