| Patent Number |
Title Of Patent |
Date Issued |
| 5425797 |
Blended charge for steel production |
June 20, 1995 |
| A blended charge for use as a decarburizing addition to a steelmaking batch comprises 50 to 95% by weight of an iron-carbon alloy and 5 to 50% by weight oxide material. The oxide material includes free metal oxides in excess of 0.25% by weight having an affinity for oxygen less than or e |
| 4187898 |
Mandrel for use in continuous casting of hollow ingots |
February 12, 1980 |
| A mandrel for continuous casting of hollow ingots comprising a hollow rod having a collar and a tapered portion thereof introduced into a mold cavity. Mounted on the collar is a protective sleeve axially movable along the rod under the hollow action of a drive mechanism. This makes it |
| 4139135 |
Continuous casting withdrawal apparatus |
February 13, 1979 |
| The withdrawal apparatus comprises a housing through which a cast ingot passes, said housing being mounted for reciprocating movement and for travelling in the direction along which the cast ingot is withdrawn and then back to its initial position. Mounted in the housing are shoes and |
