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Class Information
Number: 164/379
Name: Metal founding > Flask or flask section > Including means to retain or reinforce mold sand or to position reinforcement
Description: Apparatus which includes means to (1) help maintain the sand in the flask (2) held strengthen the sand or (3) provide for locating strengthening members.

Sub-classes under this class:

Class Number	Class Name	Patents
164/382	Depending reinforcement (e.g., gagger, etc.)	2
164/383	Flask wall surface construction retains sand	2
164/380	Sand strip	1

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6206082	Molding machine and method to prevent a flask from deforming	Mar. 27, 2001
4063586	Mold forming apparatus with mold flask stabilizing means	Dec. 20, 1977
4036276	Method of shaping a mould under a reduced pressure	Jul. 19, 1977
3952793	Moulding flask for vacuum sealed moulding process	Apr. 27, 1976