Matches 101 - 150 out of 265 < 1 2 3 4 5 6 >
Match Document Document Title
5365996 Method and apparatus for making customized fixation devices  
A method and apparatus is described for making a custom fixation device. The apparatus comprises a means for scanning a treatment site and for producing image data representative of the treatment...
5350002 Assembly and method for making a pattern of a hollow component  
An assembly for making a wax pattern of a hollow component includes a pattern die and a noncircular core which is located within the pattern die. The pattern die is a split die and includes two...
5339888 Method for obtaining near net shape castings by post injection forming of wax patterns  
The invention relates to a method of producing near net shaped metals parts from shaped wax patterns and more particularly a process whereby control of the wax pattern shape from which metal parts...
5318093 Method and apparatus for investment casting  
In an improved method and apparatus for investment casting, a pattern (31) is mounted on a sprue base (19) of an spider gasket (12) that is secured to one end of a standard investment flask (11). A...
5290373 Evaporable foam casting system utilizing an aluminum-silicon alloy containing a high magnesium content  
A method of evaporable foam casting of metal articles, such as engine blocks for internal combustion engines. An evaporable foam pattern having a configuration proportionally identical to the...
5277241 Lost modeling-compound casting pattern and method of preparing it  
The shape-dictating surfaces of the pattern are constituted by a thin self-supporting shell (4 & 5) of photocured polymer. The shell is produced by a laser controlled by a computer with reference...
5265664 Fixture for forming evaporative pattern (EPC) process patterns  
A method of casting metal using evaporative pattern casting process patterns in combination with a fixture for creating and maintaining a desired configuration in flexible patterns. A pattern is...
5247984 Process to prepare a pattern for metal castings  
A plastic model pattern indicative of the desired completed pattern having prescribed dimensional tolerances and surface finish characteristics is encased within a Type I material which may be a...
5178201 Method for producing an implant with an open-celled metal structure  
An implant is produced with an open-celled structure at least partly covering its surface. The method uses a positive pattern having a basic pattern with particles bonded to it, the particles...
5113925 Investment casting of metal matrix composites  
A method for forming a metal matrix composite within a mold of investment material. The method comprises the steps of forming a preform mixture of liquid flow medium, binding agent and...
5108668 Process for manufacturing device for casting lead grids for electric battery plates  
In connection with a device for casting lead grids for electric battery plates, a highly porous ceramic mold lining, preferably of zirconium oxide, is prepared by flame-spraying. Such a lining can...
5088544 Process for the lost-foam casting, under controlled pressure, of metal articles  
An improvement to the process for the lost-foam casting of metal articles. According to the process, the casting takes place under a controlled pressure which initially increases at a rate between...
5069271 Countergravity casting using particulate supported thin walled investment shell mold  
An expendable pattern of an article to be cast comprises a meltable material that expands upon heating (e.g., a wax pattern). The pattern is invested with particulate mold material to form a thin,...
5052463 Method for producing a pipe section with an internal heat insulation lining  
A pipe section, especially an elbow pipe section, is cast to have an internal heat insulation lining so that the pipe section can withstand temperatures up to about 2500° C. The internal heat...
5004037 Long span sprue tube for investment casting  
The tube is at least two inches long and has successive sections of progressively smaller diameters to produce a correspondingly shaped sprue passage communicating with a pattern cavity in a...
4995811 Component part removable partial denture and method for designing and making same  
A method for designing and constructing component part removable partial dentures comprising designing the removable partial denture in tooth-supported and tissue-borne components provided with...
4995443 Process for evaporative pattern casting  
A method is disclosed for the casting of metals by the use of a consumable or evaporative pattern. In this method, a foamed pattern of a desired part is first formed. The pattern is then dipped...
4993472 Method of making fingerprint jewelry  
A novel sprue is used to cut wax and obtain the impressions of finger or other digit prints in a quick and effective manner. The sprue has an elongated handle connected to an impression plate...
4987944 Method of making a turbine engine component  
A turbine engine component having an annular array of airfoils disposed between inner and outer shroud rings is made by a method which includes molding bodies of positioning material around central...
4986333 Method of supporting a core in a mold  
The ceramic core is located within the ceramic mold by the insertion of recrystallized alumina pins through the wax encasing the core prior to encasing the whole in a ceramic slurry; on the...
4984620 Apparatus for making molds for making metal castings  
The apparatus comprises two containers, which are adapted to be connected to a vacuum pump. The upper container contains a rotationally symmetrical guiding body. A distributing space is defined by...
4981167 Method of forming products by low turbulence, uniform cross section investment casting  
The conventional investment casting technique is modified to cast metal products where the product has one or more support portons and at least one feeding tube for feeding molten metal into the...
4972897 Spiral sprue loop  
Apparatus useful in forming a mold from a wax pattern in an investment casting process, the invention provides a loop element having arm elements which spiral downwardly from and inwardly of the...
4966220 Evaporable foam casting system utilizing a hypereutectic aluminum-silicon alloy  
A method of casting utilizing an evaporable foam system with a hypereutectic aluminum silicon alloy. The molten alloy is introduced into a mold in contact with an evaporable foam pattern formed of...
4966225 Ceramic shell mold for investment casting and method of making the same  
A ceramic shell mold and method of making the same. The ceramic shell mold includes a facecoat layer comprised of a first ceramic material. A plurality of alternating layers are formed overlaying...
4962909 Mold for dentistry  
A casting mold for the production of muffles which serve for the conversion of wax models to metal, with the casting mold having a funnel shaper (1) which consists of a disk-shaped base plate (4),...
4961459 Method of making an improved turbine engine component  
An improved turbine engine component includes an annular array of airfoils which extend between inner and outer shroud rings. In order to accommodate thermal expansion of the airfoils, cavities are...
4951732 Traverse drum manufacturing method  
An iron metal traverse drum having extremely thin walls is formed by instantaneously injecting a molten metal into a limited cavity of a mold having a form corresponding to the traverse drum in an...
4947926 Investment compound for use in precision casting mold  
An investment compound for use in a precision casting mold comprises MgO powder and Al 2 O 3 powder as main constituents in such a manner that the MgO powder and/or the Al 2 O 3 powder are or...
4940072 Removing pattern material from investment casting molds  
Pattern material, such as wax, is removed from an investment casting mold by vapor phase-condensation heating with a fluorochemical boiling at a temperature above the melting point of the pattern...
4921038 Process for preparing mold for investment casting  
A process for preparing an investment casting mold is provided. A kneaded compound composed of an aggregate and an organic binder is cast into a core molding mold to be solidified therein to...
4919193 Mold core for investment casting, process for preparing the same and process for preparing mold for investment casting having therewithin said mold core  
A core mold to be assembled with a shell mold for use in an investment casting process is provided. The core mold comprises a core matrix essentially consisting of an aggregate and an inorganic...
4905750 Reinforced ceramic passageway forming member  
The forming of a wax or sacrificial pattern for investment castings in which the interior ceramic reinforced passageway forming elements are reinforced with a metallic wire, and sheathed in a...
4872500 Method of manufacturing a tool  
A method of manufacturing a composite chip-removing tool which includes a tool body of a material which is in its molten state above a predetermined melting temperature, and at least one tipping...
4844144 Investment casting utilizing patterns produced by stereolithography  
A method of investment casting utilizes a pattern produced by stereolithography in which a three-dimensional specimen is provided by light cure of ethylenically unsaturated liquid material. The...
4842243 Method and apparatus for molding golf club heads  
Apparatus for molding hollow metalwood golf club heads of wax or other material with variations in the lie angle of the neck or hosel relative to the body of the club head, in which two molds with...
4830083 Mold material and process for casting of pure titanium or titanium alloy  
The present invention relates to a mold material for casting pure titanium or a titanium alloy which comprises one or more chief materials selected from among silica-alumina mixtures, mullite and...
4825934 Cushioning sheet for use in denture casting  
A cushioning sheet made of a flammable material for use, e.g. in denture casting. It is inserted into a casting frame and adapted to burn out when heated to leave a space between a casting frame...
4811778 Method of manufacturing a metal article by the lost wax casting process  
The pins which are used for the support of a core in a lost wax casing process are provided with caps. The caps provide sufficient surface area for encapsulation by ceramic slurry. Heat loss from...
4800635 Method of manufacturing flute headjoints  
A mold is made from a flute chimney model having a precision bore, and a chimney is cast from the mold with substantially no shrinkage in bore diameter. The mold can be made from a chimney model...
4793045 Article forming method  
A method of forming a bezel that contacts and/or substantially envelops a gem without altering the same is presented. A replica of the gem is initially formed about which a temporary bezel is...
4787439 Casting of reactive metals into ceramic molds  
The invention concerns a composition for making a coating consisting essentially of a refractory material selected from the group consisting of yttrium oxide, zirconium oxide, fused yttrium oxide,...
4766948 Process for casting aluminum alloys  
Improved small dendrite arm spacings and good technical values, regarding the technical properties of aluminum alloys, particularly tensile strength, yield strength and elongation percent, can be...
4754798 Casting metal in a flowable firmly set sand mold cavity  
The sand-binder mixture in a sand casting mold is controlled so that it contains sufficient binder to enable it to set to form a mold, yet the resulting set mold is sufficiently porous to receive...
4751954 Method of casting bimetallic articles  
A method for selectively coating inexpensive accessories with expensive multi-metals sequentially by utilizing an apparatus of a cylinder member, standing member, wax rod, and glass housing for...
4745961 Rapid process for fabricating improved dental refractory models  
Time-consuming steps of drying the unhardened and porous refractory dental model, hardening the dried model, and applying multiple coatings of a lacquer spray onto the hardened model are eliminated...
4741378 Sprue pin for producing castings  
An improved sprue pin for producing castings by the lost wax method wherein the sprue pin gradually decreases in external circumference toward the tip of the sprue. The length and gauge of the...
4732204 Process for the preparation of ceramic cores  
A process is disclosed for the preparation of ceramic cores which includes injection by means of a press of low power of liquid wax into cavities of a ceramic core disposed in a mould of elastomer...
4730657 Method of making a mold  
Both a pattern member and a body of expansion material are covered with a layer of ceramic mold material. The body of expansion material has a coefficient of thermal expansion which is greater than...
4728258 Turbine engine component and method of making the same  
To form a turbine engine component, metal airfoils are positioned in an annular array. Outer end portions of the airfoils are embedded in a wax outer shroud ring pattern and inner end portions of...
Matches 101 - 150 out of 265 < 1 2 3 4 5 6 >