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WO/1999/004919A1 |
There is disclosed a method and apparatus for casting a lead formation, particularly on the lug of a battery component. The lead is streamed over a mould block (20) defining a mould cavity (21) to flood the cavity (21). The flow of lead ...
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WO/1999/000204A1 |
The invention is a method of manufacturing a composite brake drum (10) for a motor vehicle or the like which is comprised of a cast metal, preferably gray iron, drum section (14) and a stamped metal, preferably steel, drum back and annul...
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WO/1998/055252A1 |
The invention relates to a melting apparatus for gold, comprising a gold melting mould (1) with a bottom orifice, and a chilling mould (2) linked therewith for chilling the gold melted in the mould and possible additives, said chilling m...
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WO/1998/025045A1 |
In order to transmit a maximal torque to the brake jaws when running down a long gradient with full braking, and in order to increase the width of application of brake elements, a composite cast union at the hub is disclosed which resist...
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WO/1998/001916A1 |
A process for manufacturing moulded pieces by casting a hardenable material is improved in that the flowing material is forced at least once to change direction in the mould cavities which extend in or against the casting direction (manu...
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WO/1998/000254A1 |
This invention concerns a process and device for producing a brake drum or a brake disk comprising a carrier element made from the most economical light metal alloy which can be easily cast and machined and a friction lining made from a ...
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WO/1997/045220A1 |
An apparatus and method of forming balls includes a metering device (2), a melting device (14) and a cooling device (20). The metering device (2) stamps a desired volume of solid material in the form of a slug (12) which passes through t...
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WO/1997/028909A1 |
A technique for removing loose powder from the interior surfaces of ceramic molds made using layer manufacturing processes, such as three-dimensional printing processes. The interior of a mold is filled with water which is boiled and the...
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WO/1997/021507A1 |
A process for fabricating a hollow or partially hollow article, such as a jewelry ring (1), comprises producing a first mold (10) having an inner cavity (16) shaped in accordance with the external shape of the article to be produced. A s...
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WO/1997/016274A1 |
Processes for providing enhanced thermal properties of tooling, particularly metal and metal/ceramic molds (8), made by solid free form fabrication techniques, such as the three-dimensional printing process, and the tooling made by these...
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WO/1996/026030A1 |
A process of making a heat-sinking structure (5), which includes providing a mold (15) having cavities (12a) closed at one end and open at another end, the cavities (12a) corresponding to the heat dissipating surfaces on the heat-sinking...
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WO/1996/025642A1 |
There is disclosed a method of manufacturing non-toxic shot pellets made from metal alloys such as bismuth for use in shotgun shells. A molten metal alloy, such as bismuth and tin, is injected into a die block to form a tightly packed re...
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WO/1996/010272A1 |
The present invention is directed to a method of making battery grids. In particular, a method of simultaneously casting multiple battery grid strips on a continuous casting machine (10) is provided. The mold (22) includes a pair of bipa...
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WO/1996/003237A1 |
The invention concerns improvements to a method for producing cast-iron parts with a section having an outer contour which is helically symmetrical to an axis of symmetry such that these parts can be more simply produced and hence more e...
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WO/1996/002341A1 |
A continuous casting machine is disclosed of the type having a rotary mold cavity (22) movable relative to a shoe (24) in fluid communication with a source of molten casting material. The shoe (24) has a main body defining an internal pa...
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WO/1995/023770A1 |
A method for producing at least one capillary (28) inside a mouldable material, such as glass, plastic, quartz, silicon, metal or the like, and which capillary has a big length in relationship to its cross section. A cavity (18, 26) is c...
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WO/1994/017218A1 |
The invention relates to a process for producing a particle-stabilized metal foam from a composite capable of acting as a precursor composite for the metal foam. The precursor composite is formed by heating a matrix metal, e.g. aluminum ...
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WO/1994/016466A1 |
This invention relates to apparatus for assembling battery plates and includes mould, generally indicated at (10) which defines a pair of ducts (11, 12) which supply respective sets of mould cavities (13, 14) via weirs (15). Each feed du...
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WO/1994/013416A1 |
A method of preparing a wax pattern for precision casting is proposed which comprises the steps of preparing a mould (2) consisting of two or more parts bearing the negative pattern of the surface of a master pattern (4), the mould (2) h...
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WO/1994/009931A1 |
Shaped articles are produced from foam metal by a procedure wherein the foam is formed by heating a composite of a metal matrix and finely divided solid stabilizer particles above the solidus temperature of the metal matrix and dischargi...
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WO/1994/009282A1 |
The invention relates to a process for producing castings with an integral channel by pouring a molten iron material into a mould a shaped rod being laid in the mould in the region where the channel is to be formed. It is thus possible t...
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WO/1994/008741A1 |
The present invention relates to a method for casting molten metals, especially ferro alloys and silicon. Molten metal is continuously supplied from a tundish to a plurality of open moulds arranged along the outer periphery of at least o...
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WO/1994/007629A1 |
A method and apparatus for the casting of molten metals and particularly molten lead and wide-freezing range lead alloys as strip for use in battery grids. The strip (10) is cast on a chilled casting surface of a rotating drum from a poo...
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WO/1993/025332A1 |
A heat sink comprises a thick base plate (1), a plurality of parallel pins (2) running outwardly from the base plate and spaced close to each other to define a labyrinthine air path, and a guide plate (3) in which an axial fan (4) is mou...
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WO/1993/010686A1 |
In order to produce pieces of jewellery with one or several set stones, a master pattern with settings for the stones is produced, a master mould is produced by moulding from the master pattern, a model is produced in the master mould wi...
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WO/1992/021457A1 |
A process and apparatus are described for manufacturing particle stabilized foamed metal slabs. A foam (25) is first formed in a foaming chamber (20) by heating a composite of a metal matrix and finely divided solid stabilizer particles ...
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WO/1992/003582A1 |
A novel lightweight gas-metal composite is produced having isolated particle-stabilized pores. A composite of a metal matrix, e.g. aluminum, and finely divided solid stabilizer particles, e.g. silicon carbide, is heated above the liquidu...
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WO/1991/008849A1 |
Al base-Si hypereutectic alloys can exhibit problems of variable and unwanted microstructure throughout the section of the article being cast. This problem is overcome by controlled cooling of the mould in critical areas, to remove or pr...
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WO/1991/005625A1 |
Moulding apparatus (10) includes a lead pot (11), a pump unit (12) and a mould block (13), having feed duct (14). The feed duct (14) communicates with the pump unit (12) by means of a supply passage (17), which is also connected to an ov...
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WO/1991/003578A1 |
A method is described for producing foamed metal in which gaseous bubbles are retained within a mass of molten metal during foaming. The method comprises heating a composite of a metal matrix and finely divided solid stabilizer particles...
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WO/1991/003338A1 |
The invention relates to a process and a device for casting metal rods or the like in bag casting using an ingot mould (1) which sinks into a liquid bath (5) as it is being filled with the casting metal. The ingot mould pipe (1) is fille...
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WO/1991/002100A1 |
An aluminium base-silicon hypereutectic casting alloy with Si 12-15 wt.% has (a) elements A in wt.%, Cu 1.5-5.5, Ni 1.0-3.0, Mg, Fe each 0.1-1.0, Mn 0.1-0.8, Zr 0.01-0.10, Zn 0-3.0, Sn, Pb each 0-0.2, Cr 0-0.1, Si modifiers Na 0.001-0.01...
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WO/1990/004267A1 |
The invention relates to a centrifugal casting appliance with axial intake and radial arrangement for the performance of formation for preparing lead armatures for the manufacture of accumulators; armatures can be made of alloyed or unal...
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WO/1989/002324A1 |
A method and apparatus (10) for producing spherical objects is disclosed, the apparatus having a reservoir (12) filled with a relatively dense molten material (14), the reservoir (12) being heated and hydraulically pressurized to maintai...
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WO/1988/002930A1 |
A machine for use in making a battery comprises a stack station (10), a transfer stage (11), a strap and terminal casting machine (12), a boxing station (13) and a return transfer stage (14). Cassettes (15) incorporating the accumulator ...
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WO/1986/003566A1 |
A link (1) for a roller chain, of substantially rectangular transverse cross-section and pivotally connectable at each end to an identical link. Each of the link's four sides is provided with a tooth-engaging recess which extends over it...
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WO/1986/001757A1 |
A ring is formed having alternating segments of ferromagnetic and paramagnetic materials. The ring is formed by first providing an annular ring of a high strength magnetic steel. Teeth are formed on the outer surface of the ring by formi...
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WO/1986/000215A1 |
A wax master sprue and gate form used in the investment casting process of dental prosthesis. It has a web (32) between the gates (26, 28, 30) so that the gates are secured together to prevent shifting of the gates during the molding of ...
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WO/1985/005128A1 |
A method of making hollow cylindrical articles provides for preparing a blank through electroslag casting at a speed of 0.3 to 0.6 mm/sec., its surface hardening with a flow of plasma jet formed in a plasmatron at a current intensity of ...
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WO/1985/003475A1 |
A spruing assembly (2) for receiving investment material in the production of an investment mold for castings by the "lost wax" process which includes a hollow chamber to receive the investment material formed by a base member (4) and an...
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WO/1983/003212A1 |
The mold surface (4), intended to contact the melting metal, is coated with a plurality of hollow spherical glass particles (1), fixed by a layer (3) of sodium silicate.
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WO/1982/003197A1 |
Hollow metal microspheres (17) made from film forming metal compositions. The hollow metal microspheres (17) are used to make superior high strength light weight structural materials. The hollow metal microspheres (17) are made by formin...
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WO/1981/001810A1 |
A process and apparatus for casting semi-finished metal products in which a molten-metal-proof-plunger (27, 100, 161, 163) is disposed near the top of a cavity (26, 162, 164) in a permanent mold (20, 150),a reservoir (36, 203) of molten ...
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WO/1981/000068A1 |
Lead alloy strip having a thickness of at least 0.25 mm., a grain structure which is substantially homogeneous across its width and which is elongate in a direction through the thickness of the strip, and a tensile strength of at least 3...
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WO/1979/000766A1 |
The devices (1) for heat exchange intended for a temperature range of 0-200 C comprise pipes (3) which form windings or coils. The adjacent pipes are jointed together by means of a metal coasting so as to form a tight wall (4). A heat ex...
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JP7461186B2 |
To provide an annular ornament which is obtained by joint portions made of precious metals different in color with a joint part having stable gradation therebetween, while having an intricate shape.An annular ornament 10 comprises: a fir...
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JP7453455B1 |
[Problem] To provide a method for manufacturing a metal plate with a novel and deep openwork pattern. [Solution] A plate 3 having a thickness of 3 mm or less is embedded between an upper part 1 and a lower part 2 which are made of a sand...
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JP2024019583A |
A method for creating a spiral metal body is provided. A method for making a helical metal body includes first making a helical metal body preformed in a mold by a casting method, and then forming a helical metal body along a longitudina...
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JP7420353B2 |
[Problem] To provide: a porous metal material which has longer and finer holes at lower cost, wherein the overall shape and dimensions of the porous metal material and the shape and dimensions of the holes can be appropriately and freely...
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JP7409576B1 |
In a granular metal manufacturing apparatus, it is possible to make molten metal into granular metal having a predetermined particle size or less even if the height is regulated. When molten metal flows from the upper first flow path (9)...
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