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Class Information
Number: 164/249
Name: Metal founding > Means to shape a forming surface > Pattern > Composite or plural part
Description: Apparatus for patterns defined in terms of a series of materials whether or not other structural features of the pattern are recited.

Patents under this class:

Patent Number Title Of Patent Date Issued
7501035 Method of manufacturing replica diffraction grating Mar. 10, 2009
7137433 Lightweight part, as well as a process and device for its production Nov. 21, 2006
6789604 Fugitive patterns for investment casting Sep. 14, 2004
6415847 Crankshaft casting pattern and method Jul. 9, 2002
5950702 Consumable pattern coating for lost foam castings Sep. 14, 1999
5884686 Cast nodes and patterns for their production Mar. 23, 1999
5787958 Method, casting pattern and apparatus for gasifying residue during metal casting with polymers Aug. 4, 1998
5449033 Cylinder head pattern assembly Sep. 12, 1995
5372176 Method and apparatus for producing housing having a cast-in-place insert using lost foam process Dec. 13, 1994
5285839 Internal combustion engine and method for making same Feb. 15, 1994
5277241 Lost modeling-compound casting pattern and method of preparing it Jan. 11, 1994
5143143 Multipiece foam pattern for making hollow casting having an integral hose connection Sep. 1, 1992
5054537 Lost foam pattern assembly for V-block engine Oct. 8, 1991
5038847 Evaporable foam pattern for use in casting a crankshaft Aug. 13, 1991
5035276 Evaporable foam pattern assembly for casting a housing for a rotary engine Jul. 30, 1991
5031685 Internal combustion engine and method for making the same Jul. 16, 1991
5018568 Lost foam engine block pattern May. 28, 1991
4907638 Evaporable foam pattern for use in casting a cylinder head Mar. 13, 1990
4905750 Reinforced ceramic passageway forming member Mar. 6, 1990
4883110 Evaporable foam pattern for use in a casting process and having load transfer walls Nov. 28, 1989
4842037 Metal casting patterns Jun. 27, 1989
4736786 Method for improving stength of gasifiable patterns Apr. 12, 1988
4726412 Production of high melting point metallic molds Feb. 23, 1988
4694879 Process for producing castings Sep. 22, 1987
4690201 Lost foam mold pattern and associated method Sep. 1, 1987
4657063 Foam pattern for casting an air cooled cylinder head Apr. 14, 1987
4651799 Vented casting molds and process of making the same Mar. 24, 1987
4640333 Foam pattern assembly for use in evaporative casting process Feb. 3, 1987
4502525 Patterns for a coupler yoke casting Mar. 5, 1985
4482000 Variable-permeability pattern coating for lost foam casting Nov. 13, 1984
4448235 Variable-permeability, two-layer pattern coating for lost foam casting May. 15, 1984
4396054 Method for making a distortion-free multiple unit prosthesis Aug. 2, 1983
4182396 Pattern plate and pattern match plate assembly Jan. 8, 1980
4160313 Method of making a wax pattern for a shell mould Jul. 10, 1979
4150713 Flexible pattern to be used for casting molds Apr. 24, 1979
4139046 Turbine wheel pattern and method of making same Feb. 13, 1979
4137962 Apparatus for marking a mold surface Feb. 6, 1979
4124057 Coupler pattern for a railway vehicle Nov. 7, 1978
4064927 Standardized investment mold assembly Dec. 27, 1977
4055214 Flash control molding for molds Oct. 25, 1977
4044815 Precision investment casting mold, pattern assembly and method Aug. 30, 1977
4043379 Method of making a mold Aug. 23, 1977
4027717 Method for forming a casting mold and a flexible pattern to be used therefor Jun. 7, 1977

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