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Class Information
Number: 164/376
Name: Metal founding > Flask or flask section > Investment type (e.g., dental, etc.)
Description: Apparatus wherein the flask is one in which material for making a precision-casting (last-wax or investment casting) mold is to be contained therein.










Patents under this class:

Patent Number Title Of Patent Date Issued
7118085 Retort system Oct. 10, 2006
7114547 Casting ring Oct. 3, 2006
6467530 Apparatus for forming a pour hole and main sprue in an investment mold for lost wax casting Oct. 22, 2002
6089307 Assembly for casting Jul. 18, 2000
5896913 Investment casting paper liner and guard Apr. 27, 1999
5839499 One-shot multi-color gold casting apparatus and casting tree Nov. 24, 1998
5791395 One shot multi-color metal casting method Aug. 11, 1998
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
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
5318093 Method and apparatus for investment casting Jun. 7, 1994
5257658 Handy casting chamber Nov. 2, 1993
4971135 Lost foam casting apparatus Nov. 20, 1990
4962909 Mold for dentistry Oct. 16, 1990
4915155 Integral casting flask and vacuum chamber Apr. 10, 1990
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
4682644 Mold for use in dental precision casting Jul. 28, 1987
4603728 Apparatus for obtaining improved dental castings Aug. 5, 1986
4576216 Process for manufacturing investment molds Mar. 18, 1986
4558841 Spruing assembly Dec. 17, 1985
4508155 Apparatus for and method of obtaining improved dental castings Apr. 2, 1985











 
 
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