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Class 164/34 - With destruction of pattern to disassociate


Subclass of Class 164 - Metal founding
Definition: Process directed to extracting a destructable pattern from
No. of patents: 337
Last issue date: 06/12/2012


1                  
NumberTitleIssue Date
8196640Self supporting core-in-a-core for casting
A core-in-a-core casting method and hybrid core (40) for use in the method. An inner core (42) formed of process-inert particles disposed in a binder material is used as a mold for casting an outer core ((44) formed of particles that will sinter...
06/12/2012
8136571Carbidic outer edge ductile iron product, and as cast surface alloying process
A process is used for applying carbiding agents to the surface of ferrous metal castings, using the “lost foam” method. Carbiding agents are applied to the foam form at selected places so that the final product has the desired amount of carbidic content at the r...
03/20/2012
8056606Methods of making and using ceramic metallic interlocked components
A composite element is provided. The composite element includes a ceramic component defining a cavity having a first end and a second end, and a metallic component that includes a head and a body. At least a portion of the body of the metallic component is disposed ...
11/15/2011
8042599Method for producing a multitude of components made of, in particular, titanium aluminide, and device for carrying out this method
The invention relates to a method and to a device for sing out this method, during which the shell molds (3) are filled with a melt (11) in a clocked manner, the respectively required amount of melt being currently provided at the same time. The castin...
10/25/2011
7360577Process for lost-foam casting with chill
Process for the Lost-foam casting of aluminum or magnesium including spacing the cooling face of a chill from a selected surface of a pyrolizable polymeric foam pattern so as to provide at least a 0.5 mm gap therebetween, and filling the gap with Al or Mg melt so as...
04/22/2008
7325585Dental prosthetic forming system
A system for forming a dental prosthetic using the lost wax method utilizes a unitary pattern assembly to create a unitary cavity in a mold incorporating a dental prosthetic pattern cavity portion, a reservoir cavity portion and at least one sprue. The volume of the...
02/05/2008
7318468Glued lost foam casting pattern assembly
Lost foam pattern assemblies formed by gluing together a plurality of EPS foam pattern segments with a polystyrene-like glue comprising an aromatic resin that has a molecular weight less than 10,000 and thermally degrades at temperatures no greater than said EPS. Th...
01/15/2008
7314586Method for manufacturing a wax mold for a golf club head
A method for manufacturing a wax mold of a golf club head includes steps of positioning a male die assembly in a first cavity of a first female die, injecting dissolvable wax into the first cavity to form a dissolvable wax mold, removing the first female die to take...
01/01/2008
7302989Modular mold system with ceramic inserts
A mold system for producing components of a turbine engine. The mold system may enable a configuration of a turbine engine component to be changed in less time than conventional systems. The mold system may include a mold formed from mold plates wherein at least one...
12/04/2007
7302993Cast parts with improved surface properties and methods for their production
Techniques for forming cast parts for medical devices suitable for contact with internal regions of patients are described herein. Such parts can be small in scale (e.g., having a major axis less than 0.3 inches, and/or a minor axis less than about 0.08 inches), and...
12/04/2007
7299858Method for reducing pollutant emissions in foundry practice
A method for reducing pollutant emissions from a metal casting case used in foundry practice. The metal casting case includes at least a molding material formed to a metal casting mold. The pollutant emissions are released from material making up the casting cases a...
11/27/2007
7293597Non-oxidizable coating
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-bas...
11/13/2007
7287571Lost foam casting pattern
Pattern for the lost foam casting process including a pouring-basin-forming portion, a sprue-forming portion, a runner-forming portion, a gate-forming portion, and an inline-riser-forming portion. The runners formed by the pattern each have an inline riser through w...
10/30/2007
7281566Method for manufacturing mold
A method for manufacturing a mold (70), which comprises a step of forming a layer (31) of combustible powdery particles (32) around a wax mold (21), which is a lost pattern, a step of forming a film (51) of a ceramic precursor slur...
10/16/2007
7270166Fugitive pattern assembly and method
A fugitive pattern assembly is made by preforming one or more fugitive patterns of an article to be cast, placing the preformed patterns in an injection die, and injecting fluid gating material into the die to form gating connected to the patterns. The fugitive patt...
09/18/2007
7267542Molding apparatus and method
An apparatus and method for making a mold or mold face includes a container having at least one opening. The apparatus also includes a flexible membrane that is retained to the container that extends across the opening of the container. The apparatus for making a mo...
09/11/2007
7258158Increasing stability of silica-bearing material
Method and apparatus for prolonging the stability (working life) of a ceramic slurry and other aqueous mixture or dispersion containing a liquid silica-bearing or other component as well as the raw liquid silica-bearing component in ambient air over time by providin...
08/21/2007
7255738Lightweight cementitious composite material
A lightweight cementitious composite material includes expanded synthetic polymer particulate having a particle size of between 0.0625 and 0.5 inches. A dispersant coating on said particulate suppresses electrostatic attraction between particulate particles. A matri...
08/14/2007
7246653Process for manufacturing the blade of turbomachine, and assembly of the cores for implementation of the process
A process for manufacturing a blade of a turbomachine using the lost-wax moulding technique, where the blade includes a first central longitudinal cavity and at least one second longitudinal cavity together forming a cooling circuit and communicating with each other...
07/24/2007
7237375Investment cast, stainless steel chain link and casting process therefor
An investment cast, stainless steel chain link is provided for chains used in water and wastewater treatment. The chain link comprises a pair of spaced apart, elongated sidebars having forward ends and rearward ends. The forward ends are spread apart and are provide...
07/03/2007
7225049Lost foam casting analysis method
Parameters specifying properties of the materials used in the lost foam casting process are input at an input step. Numerical methods may be used to simultaneously solve a set of coupled equations relating thermal properties, flow properties, and other physical prop...
05/29/2007
7207108Process for producing a turbine blade or vane
In a process for producing a turbine blade or vane, providing a casting mold for casting the turbine blade or vane, the casting mold including a blade or vane platform and a main blade or vane part, and a position of the main blade or vane part relative to the blade...
04/24/2007
7182896Composite foamed polypropylene resin molding and method of producing same
A composite foamed polypropylene resin molding including a plurality of sections which are fuse-bonded to each other, at least two of which differ from each other in color, apparent density, composition and/or mechanical strengths, each of which is formed from expan...
02/27/2007
7172011Method for the production of a lost-foam casting model for a light metal cylinder liner
A light metal cylinder liner with a surface which facilitates the connection with the surrounding cast material may be produced. The cylinder liner is produced by a lost-foam method with a form for production of the cast foam model having a structured surface with h...
02/06/2007
7164963System, method and apparatus for lost foam casting analysis
Disclosed are a method, system and apparatus for analyzing foam decomposition in gap mode during mold filling in lost foam casting, the casting process in gap mode characterized by a bubble flux and the mold filling having a mold filling speed. The method includes p...
01/16/2007
7150307Lost foam casting apparatus and method for creating hollow gating
A method and apparatus is disclosed for forming a metal casting sprue for a lost foam casting process, the sprue formed in sand for receiving molten metal and directing the molten metal to a foam pattern in a mold cavity, wherein the sprue formation is facilitated b...
12/19/2006
7147032Process and apparatus for assembly of wax trees
In a process for the assembly of wax trees, a wax runner is placed in a flat position, and a wax pattern is located adjacent to the wax runner. Both the wax pattern and the wax runner are heated and then placed in contact with one another where heated. Then the wax ...
12/12/2006
7147198Wax pattern for making a golf club head
A wax pattern for use in making a golf club head has a shell wall which defines a hollow region and which includes a front portion, a rear displacement portion and a dividing line extending between the front and rear displacement portions. The wax pattern has a prof...
12/12/2006
7147031Lost pattern mold removal casting method and apparatus
A method and apparatus for the lost pattern casting of metals employs an erodable mold including a particulate material and a binder. An erodable backing or coating may be used to support the erodable mold. After a molten metal casting is poured in the mold, the ero...
12/12/2006
7141207Aluminum/magnesium 3D-Printing rapid prototyping
A 3D Printing Rapid Prototyping process using Al/Mg particles coated with a metal (i.e. copper, nickel, zinc, or tin) that (1) prevents oxidation of the Al/Mg particles, and (2) either alone, or when alloyed with the aluminum or magnesium core metal, melts below the...
11/28/2006
7134481Preheating member changer of dual roll casting apparatus
A casting roll unit (U) with side weirs (6) and a delivery nozzle (8) being detachably attached thereto is fixed at a casting position. Side-weir and delivery-nozzle preheating furnaces (29, 30) are arranged away from the casting roll unit (U). ...
11/14/2006
7121318Lost pattern mold removal casting method and apparatus
A method and apparatus for the lost pattern casting of metals is disclosed. In the method, a pattern is formed from a material and a mold is formed around at least a portion of the pattern. The mold includes a particulate material and a binder. The pattern is remove...
10/17/2006
7114547Casting ring
An apparatus comprising a casting ring and base sized and dimensioned to be coupled together to form a cavity having one or more walls comprising an inner surface of the casting ring, having a bottom comprising an upper surface of the base, and having a form receivi...
10/03/2006
7100669Aluminum-silicon casting alloy having refined primary silicon due to pressure
Provided herein is a method for refining primary silicon present in a hypereutectic aluminum silicon alloy. The method contemplates the controlled application of pressure to refine the primary silicon during the casting of articles. The application of pressure decre...
09/05/2006
7096919Sublimation pattern casting method
An evaporative pattern casting process in which a casting process plan capable of attaining the optimal discharge of generated gas can easily be decided. The evaporative pattern casting process can cast a product, and includes pouring a molten metal in a mold in whi...
08/29/2006
7093341Method of making an axial piston pump barrel with a cast high pressure collection cavity
In an axial piston pump, a plurality of reciprocating pistons are at least partially positioned within a barrel. The barrel includes a ring shaped high pressure collection cavity that is positioned between the piston chambers and the outlet of the pump. In order to ...
08/22/2006
7059382Method of incorporating brominated compounds as additives to expanded polystyrene molded patterns for use in lost foam aluminum casting
A process including topically applying a finely divided powder onto a plurality of polystyrene beads. The finely divided powder includes brominated compounds including a brominated alkane having at least one substituent aromatic group. The polystyrene beads are pre-...
06/13/2006
7048030Method of making a casting assembly
A method of making an investment or lost foam casting assembly of a first part movable with respect to a second part includes making first and second separate wax or foam patterns of portions of the first part. Then, a third wax or foam pattern of the second part is...
05/23/2006
7044190Sublimation pattern casting method
Provided is an evaporative pattern casting process which ensures that smooth casting can be carried out without blow-back of a molten metal and a molding product having an excellent casting quality is obtained. The invention relates to an evaporative pattern casting...
05/16/2006
7036556Investment casting pins
A pin used in investment casting, or the lost wax process, to support the ceramic core of a mold includes a core formed of a metal which provides suitable strength to maintain the position of the ceramic core during pouring of molten metal into the mold but which is...
05/02/2006
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