Metal founding – Means to shape metallic material – Including means to assemble mold parts
Patent
1998-08-17
2000-11-14
Pyon, Harold
Metal founding
Means to shape metallic material
Including means to assemble mold parts
164341, 164347, B22D 3304
Patent
active
061455784
ABSTRACT:
A spring unit for a core pin assembly for use in molding and die casting apparatus which can be installed in and removed from a mold section as a single unit.
REFERENCES:
patent: 3161918 (1964-12-01), Zearbaugh
patent: 3899282 (1975-08-01), Jesse
patent: 5730200 (1998-03-01), Landna
patent: 5865241 (1999-02-01), Bishenden et al.
Webb, Heir by Lucinda Pauline
Zearbaugh, deceased Francis E.
Zearbaugh, Heir by Darlene K.
Zearbaugh, Heir by Scott Richard
Zearbaugh, legal representative by Wayne Clayton
Lin I.-H.
Pyon Harold
Zearbaugh Wayne C.
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