Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1994-07-28
2000-11-21
Fiorilla, Christopher A.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
264 31, 264 33, 264299, 264332, C04B 35653, B28B 710
Patent
active
061498556
ABSTRACT:
A method of manufacturing a building material includes the steps of directing molten volcanic magma from an underwater volcanic magma vent to a level above sea level via a tube formed from the magma; directing the molten volcanic magma into a mold on a floating barge; cooling the magma in the mold to form a building material; and removing the building material from the mold. The tube is formed by lowering a cap assembly over an underwater flowing volcanic magma vent and raising the cap such that the magam solidifies inside the cap perimeter where it is cold.
REFERENCES:
JP Abstract 04-203026 (Corresp. to App No. 02-334437) Abstract Published Nov. 1992.
J.D. Griggs, U.S. Geological survey, Apr. 1989.
Fiorilla Christopher A.
O'Banion John P.
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