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Class Information
Number: 164/401
Name: Metal founding > Stripper or ejector
Description: Apparatus which has means to disassociate a shaping surface from the shaped product.

Sub-classes under this class:

Class Number Class Name Patents
164/403 Fluid actuated pattern stripping means 3
164/402 Including means for inverting pattern 2
164/404 Means to separate cast product from shaping surface 76

Patents under this class:

Patent Number Title Of Patent Date Issued
7926542 Low stress dewaxing system and method Apr. 19, 2011
6991767 Fluidized bed gas distributor system for elevated temperature operation Jan. 31, 2006
6644382 Casting sand shake-out method and its apparatus Nov. 11, 2003
6453982 Sand cleaning apparatus Sep. 24, 2002
5908067 Apparatus for making herringbone gears and pumps incorporating the same Jun. 1, 1999
5388632 Method and apparatus for casting articles Feb. 14, 1995
5372177 Method and apparatus for removing wax from casting mold Dec. 13, 1994
5044421 Rotary pneumo-hydraulic clamp Sep. 3, 1991
4744404 Foundry sand blowing apparatus May. 17, 1988
4577671 Casting decoring device Mar. 25, 1986
4531565 Gas hardening type molding machine Jul. 30, 1985
4502808 Liner segments retention means Mar. 5, 1985
4374538 Apparatus for decoring and explosive treatment of materials Feb. 22, 1983
4323106 Knock-out systems for foundries Apr. 6, 1982
4319624 Cleaning machine for castings Mar. 16, 1982
4296794 Method of transmission of sonic energy to work pieces Oct. 27, 1981
4231414 Handling foundry materials Nov. 4, 1980
4211274 Equipment for cooling and separation of castings and moulding sand Jul. 8, 1980
4209055 Proceeding and apparatus for cooling, drying and separating castings and foundry sand in a cooling device Jun. 24, 1980
4206800 Rotary acoustic sand-core shakeout Jun. 10, 1980
4206801 Sand-seal for rotary acoustic sand-core shakeout Jun. 10, 1980
4133372 Apparatus for blasting castings Jan. 9, 1979
4131531 Apparatus for stripping electrodeposited metal from cathode sheets Dec. 26, 1978
4103731 Shake-out machine for use with self-curing mold Aug. 1, 1978
4027723 Molding apparatus including a flexible mold for making articles having radially inwardly extending projections on an interior surface Jun. 7, 1977

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