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Class Information
Number: 164/380
Name: Metal founding > Flask or flask section > Including means to retain or reinforce mold sand or to position reinforcement > Sand strip
Description: Apparatus where the sand mold retaining means is a strip at the base of the flask section which overlies a portion of the mold periphery.










Sub-classes under this class:

Class Number Class Name Patents
164/381 Mechanically retractable 0


Patents under this class:

Patent Number Title Of Patent Date Issued
4036276 Method of shaping a mould under a reduced pressure Jul. 19, 1977











 
 
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