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Class Information
Number: 164/36
Name: Metal founding > Process > Shaping a forming surface (e.g., mold making, etc.) > Shaping fluent material to form mold > With destruction of pattern to disassociate > Extracting pattern in liquid state > Utilizing fluent extracting medium
Description: Process wherein a fluid medium is used to effect the liquid extraction of the pattern.

Patents under this class:

Patent Number Title Of Patent Date Issued
7926542 Low stress dewaxing system and method Apr. 19, 2011
6880618 Making subcutaneous flow-channels in foam patterns Apr. 19, 2005
6109333 Method of manufacturing electric motor housing frame and foam pattern therefor Aug. 29, 2000
6029738 Core for use in die casting process Feb. 29, 2000
5996682 Method of making a mold for metal casting Dec. 7, 1999
5927373 Method of constructing fully dense metal molds and parts Jul. 27, 1999
5893405 Triangular spoke sprue Apr. 13, 1999
5832981 Construction and method of making heat-exchanging cast metal forming tool Nov. 10, 1998
5678624 Investment casting process Oct. 21, 1997
RE35334 Process for core removal from molded products Sep. 24, 1996
5494096 Investment casting process Feb. 27, 1996
5178673 Investment casting compositions and processes for the manufacture and use thereof Jan. 12, 1993
5089186 Process for core removal from molded products Feb. 18, 1992
4951732 Traverse drum manufacturing method Aug. 28, 1990
4922991 Composite core assembly for metal casting May. 8, 1990
4812278 Process for preparing mold Mar. 14, 1989
4809761 Process for producing molds or cores for investment casting with reduced solvent loss Mar. 7, 1989
4808360 Method of producing mold for slip casting and method of molding slip casting Feb. 28, 1989
4556528 Mold and method for casting of fragile and complex shapes Dec. 3, 1985
4499940 Casting process including making and using an elastomeric pattern Feb. 19, 1985
4481999 Method of forming a thin unbacked metal foil Nov. 13, 1984
4462453 Casting methods with composite molded core assembly Jul. 31, 1984
4434835 Method of making a blade aerofoil for a gas turbine engine Mar. 6, 1984
4384607 Method of manufacturing a blade or vane for a gas turbine engine May. 24, 1983
4287932 Process for the precision molding of castings Sep. 8, 1981
4235277 Method of forming three-dimensional network porous metallic structure having continuous internal cavity Nov. 25, 1980
4108931 System of making molds for investment casting Aug. 22, 1978
4106548 Mass for production of cores and casting moulds Aug. 15, 1978

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