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Class Information
Number: 164/237
Name: Metal founding > Means to shape a forming surface > Pattern > Including flask member
Description: Apparatus in combination with a container or box without top and without fixed bottom for confining mold material in which the same is being shaped.










Sub-classes under this class:

Class Number Class Name Patents
164/238 Pattern or pattern holding member supported by aperture in flask or flask member 3
164/239 Pattern plate 16


Patents under this class:

Patent Number Title Of Patent Date Issued
7448429 Method for squeezing foundry sand, a match plate, and an upper and a lower flask Nov. 11, 2008
7114547 Casting ring Oct. 3, 2006
6823929 Die molding machine and pattern carrier Nov. 30, 2004
6463993 Molding chamber for green sand molds Oct. 15, 2002
6089307 Assembly for casting Jul. 18, 2000
5688533 Round ringless mold and triangular spoke sprue Nov. 18, 1997
5655592 Method and device for eliminating compression and distortion of wax patterns in lost-wax casting Aug. 12, 1997
5476135 Mold box for forming sand pouring basins Dec. 19, 1995
5469908 Cap for investment molds for precision casting Nov. 28, 1995
5406999 Ringless casting oval for making investment molds for precision casting Apr. 18, 1995
4971135 Lost foam casting apparatus Nov. 20, 1990
4828006 Lost foam pour box and lost foam casting process May. 9, 1989
4777996 Self-sealing plastic base and a cylindrical flask for lost wax process Oct. 18, 1988
4749020 Apparatus for obtaining improved dental castings Jun. 7, 1988
4700760 Investment casting mold base Oct. 20, 1987
4603728 Apparatus for obtaining improved dental castings Aug. 5, 1986
4508155 Apparatus for and method of obtaining improved dental castings Apr. 2, 1985
4150713 Flexible pattern to be used for casting molds Apr. 24, 1979
3985178 Precision investment casting apparatus with reservoir blocks Oct. 12, 1976
3939898 Mould manufacturing device Feb. 24, 1976











 
 
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