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Class Information
Number: 164/223
Name: Metal founding > Means to shape a forming surface > Including means for separating forming surface from shaping means > By vibrating means
Description: Apparatus with means for drawing a mold shaping member from a mold with or without lifting the mold or stripping the pattern in which the operation is facilitated by means vibrating or rapping the shaping member or work piece either before or after the drawing operation commences.

Patents under this class:

Patent Number Title Of Patent Date Issued
7563091 Tool having an ejection assembly, a method for making such a tool, and a method for ejecting a formed object from a tool Jul. 21, 2009
5143142 Mold making machine having vibrator for removing pattern plate from prepared mold Sep. 1, 1992
4241778 Method and apparatus for the removal of sand bales containing castings from molding boxes of poured foundry molds Dec. 30, 1980
4172488 Flaskless molding line for chemically bonded sand molds Oct. 30, 1979

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