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Class Information
Number: 164/235
Name: Metal founding > Means to shape a forming surface > Pattern
Description: Apparatus comprising a forming element, i.e., pattern or part of pattern, for shaping a mold.

Sub-classes under this class:

Class Number Class Name Patents
164/249 Composite or plural part 43
164/237 Including flask member 20
164/236 Insert or chill supporting 6
164/241 Pattern plate 15
164/244 Sprue, gate or runner 63
164/245 To produce undercut 9

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4977945 Full mold comprised of a plastic foam material Dec. 18, 1990
4969504 Evaporable foam pattern for use in casting an exhaust manifold Nov. 13, 1990
4964454 Evaporable foam pattern for casting an air induction manifold Oct. 23, 1990
4802447 Foam pattern for engine cylinder block Feb. 7, 1989
4726412 Production of high melting point metallic molds Feb. 23, 1988
4719958 Method, apparatus and feeder sleeves for the production of casting moulds Jan. 19, 1988
4690201 Lost foam mold pattern and associated method Sep. 1, 1987
4632169 Two cycle cylinder block foam pattern Dec. 30, 1986
4542780 Wax profiles for dental bridges Sep. 24, 1985
4197899 Method of casting a low weight reciprocating engine Apr. 15, 1980
4133368 Single crystal casting mold and method for making same Jan. 9, 1979
4078598 Strongback and method for positioning same Mar. 14, 1978
4068702 Method for positioning a strongback Jan. 17, 1978
4062396 Method of making a unitary pattern assembly Dec. 13, 1977
4055214 Flash control molding for molds Oct. 25, 1977
4003424 Method of making ductile iron treating agents Jan. 18, 1977

1 2

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