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Class Information
Number: 164/22
Name: Metal founding > Process > Shaping a forming surface (e.g., mold making, etc.) > Shaping fluent material to form mold > By spraying or slinging material against shaping surface > Particulate solid material > Employing compressed air as ram or piston to force sand against shaping surface
Description: Process directed to employing compressed air as a ram or piston to force sand from a cartridge or container in which the material is supplied in the shape of a compacted column or the like against the shaping surface.

Patents under this class:

Patent Number Title Of Patent Date Issued
8453710 Method for replacement of a filter plate of a core shooter Jun. 4, 2013
8413707 Molding process for simultaneously making an upper mold and a lower mold and a flaskless molding machine Apr. 9, 2013
7913742 Integral blow tube and tamping pin Mar. 29, 2011
7819168 Method and apparatus for transferring sand into flask of molding machine Oct. 26, 2010
6622772 Method for forming sand molds and matchplate molding machine for accomplishing same Sep. 23, 2003
5954064 Hair styling pieces with reattachable handle Sep. 21, 1999
5850867 Method of making cores with molding sand Dec. 22, 1998
5597029 Shooting head for a core shooter Jan. 28, 1997
5535809 Method and apparatus for packing a granular material for foundry use Jul. 16, 1996
5291936 Method and apparatus for producing mold parts for foundries Mar. 8, 1994
5038845 Blow tube arrangement for core and mold making machinery Aug. 13, 1991
4462777 Blow-moulding machine Jul. 31, 1984
3989089 Hollow core molding device for use in shell mold Nov. 2, 1976
3989086 Method of and apparatus for the production of mold parts for foundries Nov. 2, 1976

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