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Class Information
Number: 164/37
Name: Metal founding > Process > Shaping a forming surface (e.g., mold making, etc.) > Shaping fluent material to form mold > By compacting material against shaping surface
Description: Process directed to the step of actively pressing or packing the mold materials against a mold shaping surface to form a densified structure.

Sub-classes under this class:

Class Number Class Name Patents
164/38 Diverse pressure applications 29
164/40 Utilizing pattern as compacting member 23
164/39 Vibrating or jolting during shaping 21

Patents under this class:
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Patent Number Title Of Patent Date Issued
8636049 Flaskless molding method and a flaskless molding machine Jan. 28, 2014
8622113 Apparatus and method for controlled optimized rapid directional solidification of mold shaped metal castings Jan. 7, 2014
8567478 Method for making upper and lower molds and an apparatus therefor Oct. 29, 2013
8347946 Flaskless molding machine Jan. 8, 2013
8316918 Flaskless molding machine Nov. 27, 2012
8011415 Flaskless molding apparatus for an upper and a lower mold Sep. 6, 2011
7480984 Method of suppressing sublimation in advanced thermoelectric devices Jan. 27, 2009
7293598 Cylinder liner improvements Nov. 13, 2007
7237593 Molding machine and a pattern carrier used therefor Jul. 3, 2007
6805819 Method of manufacturing concrete form Oct. 19, 2004
6749003 Compressing method for casting sand and device therefor Jun. 15, 2004
6684933 Method and apparatus for compacting molding sand Feb. 3, 2004
6662855 Molding device and molding method or sand mold Dec. 16, 2003
6470953 Molding method and system with a molding apparatus Oct. 29, 2002
6458297 Method for producing pressure die-cast or injection moulded articles using salt cores Oct. 1, 2002
6349757 Method of sealing using a riser sleeve Feb. 26, 2002
6189599 Method and machine for producing an open riser in a mold Feb. 20, 2001
5996678 Apparatus for making mold Dec. 7, 1999
5957189 Apparatus and method for sequentially feeding quantities of sand into a mold space and subjecting the space to evacuation and then pressure increase after each feed Sep. 28, 1999
5947185 Method and apparatus for pre-compacting molding sand Sep. 7, 1999
5941296 Method for controlling the formation of a sand mold Aug. 24, 1999
5887639 Method and apparatus for manufacturing gas-hardened molds Mar. 30, 1999
5850867 Method of making cores with molding sand Dec. 22, 1998
5794681 Molding machine Aug. 18, 1998
5791396 Apparatus and method for producing molds Aug. 11, 1998
5660221 Apparatus and method for producing molds Aug. 26, 1997
5558148 Method of producing molds Sep. 24, 1996
5348070 Process for the compression of molding sand for casting molds Sep. 20, 1994
5333666 Method for manufacturing a resin pattern, and a method for vacuum sealed molding process using resin pattern same Aug. 2, 1994
5163497 Method of and apparatus for forming sand molds Nov. 17, 1992
5148852 Compressed air blowing apparatus for use in green sand mold molding facility Sep. 22, 1992
5137091 Process of producing molded body from green molding sand Aug. 11, 1992
5070928 Forming press with quick-change tool-to-bolster locking mechanism Dec. 10, 1991
5024161 Molding apparatus Jun. 18, 1991
5020582 Method and apparatus for compacting foundry molding material in a foundry mold Jun. 4, 1991
5007477 Air impact sand-box moulding machine Apr. 16, 1991
4976303 Method of and apparatus for forming sand molds Dec. 11, 1990
4969503 Air impact molding machines for making sand molds Nov. 13, 1990
4930564 Airvessel for molding by expansive waves Jun. 5, 1990
4921035 Process for compacting powdery materials May. 1, 1990
4915159 Method and apparatus for compacting foundry mold making material about a foundry mold pattern Apr. 10, 1990
4860817 Apparatus for the compacting of granular molding materials Aug. 29, 1989
4846253 Apparatus for compressing foundry moulding material by means of compressed gas Jul. 11, 1989
4836266 Method and apparatus for registering flaskless sand cope and drag molds Jun. 6, 1989
4832111 Process for casting molten metal May. 23, 1989
4828007 Process for selectively compressing granular material in a molding box May. 9, 1989
4781236 Method of and device for producing mold core Nov. 1, 1988
4750540 Method of, and apparatus for, manufacturing foundry molds, especially for compacting foundry molding material Jun. 14, 1988
RE32622 Method for the manufacture of molds using casting sand or another mixture of raw material particles Mar. 15, 1988
4724888 Method and apparatus for the production of flaskless foundry molds Feb. 16, 1988

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