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US 4,087,084 AGranted
Apparatus for changing blast furnace tuyeres
AssigneeLouis A. Grant, Inc.
InventorMeyers, Leo J.
Life of this patent
Estimating the term…
Abstract
An apparatus for removing and replacing blast furnace tuyeres. The apparatus is indexed with the centerline of the tuyere and downcomer from the bustle pipe to permit removal and replacement of the blowpipe-elbow, tuyere and tuyere cooler.
Claims6
Apparatus for removing and replacing blast furnace tuyeres and attendant structure comprising:
- (a) mobile undercarriage means having uneven ground engaging jack means attached thereto to raise and lower said undercarriage to different fixed levels,
- (b) first subcarriage means mounted on said undercarriage movable longitudinally with respect thereto,
- (c) second subcarriage means mounted on said first subcarriage and movable laterally with respect to said first subcarriage and said undercarriage,
- (d) rotatable platform means mounted on said second subcarriage means and rotatable in relation to said subcarriages and undercarriage means, and
- (e) an elongated member movable longitudinally on said rotatable platform means and adapted to carry tool means at each end, and hammer means for impacting said elongated member so as to vibrate it longitudinally.
2 more elements
Dependencies are inferred from the claim text.