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Class Information
Number: 249/175
Name: Static molds > Core (internal mold)
Description: Apparatus, section C.

Sub-classes under this class:

Class Number Class Name Patents
249/177 Including means for attaching core to a support 194
249/178 Including means to expand or contract core 85
249/184 Of plural sections 210
249/183 Of resilient material capable of flexure to aid removal of core from product 101
249/176 Plural spaced cores having community feature 97

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8596605 Floor through-passage molding apparatus Dec. 3, 2013
8511359 Layup mandrel having changeable shape and method of using the same Aug. 20, 2013
8347947 Process and refractory metal core for creating varying thickness microcircuits for turbine engine components Jan. 8, 2013
8042268 Method of producing a turbine component with multiple interconnected layers of cooling channels Oct. 25, 2011
7815839 Hybrid mandrels Oct. 19, 2010
7731148 High optical quality molds for use in contact lens production Jun. 8, 2010
7658364 Ocular therapeutic agent delivery devices and methods for making and using such devices Feb. 9, 2010
7419130 Rustication for architectural molding Sep. 2, 2008
7287573 Silicone binders for investment casting Oct. 30, 2007
7235505 Carbide and nitride ternary ceramic glove and condom formers Jun. 26, 2007
7198247 Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the same Apr. 3, 2007
7112055 Nitinol frame heating and setting mandrel Sep. 26, 2006
7011785 Process for producing hollow bodies comprising fiber-reinforced ceramic materials Mar. 14, 2006
6840018 Elongate bodies for use in pre-cast panel forming systems Jan. 11, 2005
6828373 Water soluble tooling materials for composite structures Dec. 7, 2004
6793192 Process of making integral three-dimensional articles, and mold for making such articles Sep. 21, 2004
6769662 Form and method for casting a monolithic precast safety end Aug. 3, 2004
6668906 Shaped core for cast cooling passages and enhanced part definition Dec. 30, 2003
6609694 Molded closure and apparatus for making same Aug. 26, 2003
6578623 Ceramic core and method of making Jun. 17, 2003
6547210 Sacrificial insert for injection molding Apr. 15, 2003
6371436 Placement ring assembly having magnetic securing means Apr. 16, 2002
6361309 Injection molding tool for producing a rolling bearing cage for a linear bearing Mar. 26, 2002
6341452 Transport anchor for embedding in prefabricated reinforced concrete parts Jan. 29, 2002
6315941 Ceramic core and method of making Nov. 13, 2001
6299432 Mold for forming a housing of a card edge connector with reinforced core pins Oct. 9, 2001
6299964 Flexible composite cure fixture Oct. 9, 2001
6279867 Multi-part form of a mold for forming a containment member for molten metal Aug. 28, 2001
6196517 Placement ring assembly having cushioned knockout assembly Mar. 6, 2001
6095483 Edge lifting recess former and reinforcement system Aug. 1, 2000
6050043 Apparatus and method for supporting concrete beams, walls and the like Apr. 18, 2000
6029738 Core for use in die casting process Feb. 29, 2000
5957191 Casting method and apparatus using a resin core Sep. 28, 1999
5868958 Basket mold Feb. 9, 1999
5855808 Concrete forming member Jan. 5, 1999
5667822 Shaping mold for making ultra-thin shaped rubber articles Sep. 16, 1997
5580416 Mandrel assembly Dec. 3, 1996
5535979 Apparatus for use in forming recesses in cast bodies Jul. 16, 1996
5423362 Apparatus for forming an access pocket at the terminal end of a post-tensioned tendon Jun. 13, 1995
5310159 Destructible core for undercut casting May. 10, 1994
5281051 Trench forming assembly and method Jan. 25, 1994
5223158 Nut casting apparatus Jun. 29, 1993
5164206 Tooling face configuration-particularly adapted for forming tablets (Cargille Curve) Nov. 17, 1992
5106290 Assembly data model tool system Apr. 21, 1992
5096403 Mold for manufacturing skin covered foamed plastic seat with holes Mar. 17, 1992
5078587 Forming tool for forming peg holes in an anode Jan. 7, 1992
5061162 Flux control for induction heating of melt-out cores Oct. 29, 1991
5058655 Method and apparatus for manufacturing of a thick-walled hollow casting of cast iron Oct. 22, 1991
5040966 Die for making a tetrahexagonal truss structure Aug. 20, 1991
5035602 Resin transfer molding core and preform Jul. 30, 1991

1 2 3

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