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US 6,444,166 B1Granted
Reticulated foam structures
AssigneeThe BOC Group, Inc.
InventorMichael E. Garrett
Life of this patent
Estimating the term…
Abstract
A method of making a metal foam object includes the steps of mixing a gasifier with metal powder and subjecting the mixture to an elevated temperature T1 and pressure P1 to form a sintered sheet; placing at least a portion of the sintered sheet into a mold and subjecting the mold to a temperature T2 where T2 is greater than T1 at which the metal melts and the gas is released from the gasifier; quenching the metal foam object thus formed in the mold; and passing a hot inert gas through the metal foam object.
Claims3
A method of making a metal foam object comprising the steps of:
- mixing a gasifier with metal powder and subjecting the mixture to an elevated temperature T1 and pressure P1 to form a sintered sheet;
- placing at least a portion of the sintered sheet into a mold and subjecting the mold to a temperature T2 where T2 is greater than T1 at which the metal melts and a gas is released from the gasifier;
- quenching the metal foam object thus formed in the mold;
- and
- passing a hot inert gas through the metal foam object by at least one header tube extending into the metal foam object.
2 more elements
Dependencies are inferred from the claim text.