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JPH01228664A |
PURPOSE: To prevent the burr generation of a mold by arranging a vent stock having an elasticity on the back face of the porous metal on the side face of which an engraving is executed and forming a mold by fitting it to a substrate. CON...
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JPH0140701B2 |
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JPH0138582B2 |
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JPH01118853U |
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JPH01192464A |
PURPOSE: To eliminate the need for lubricant blowing and to rationalize the process by using the lead alloy casting mold consisting of the porous resin specifying the max. bore diameter and permeability. CONSTITUTION: A lead alloy castin...
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JPH01186262A |
PURPOSE:To eliminate the need for lubricant blowing work and to rationalize the process by forming a lead alloy casting mold by the porous ceramics having the specified bore diameter distribution of the max. bore diameter and the permeab...
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JPH0133273B2 |
A shell mold for producing directionally solidified single crystal metal castings in which use is made of a crystal selector of helical shape wound about a support of a non heat disposable material which eliminates the need for providing...
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JPH01170545A |
PURPOSE:To simply and easily execute forming without any cracking by constituting an expanding part at upper end part of a core used by combining with a cylindrical mold with liquid freezing-solidified and elastic baggy part. CONSTITUTIO...
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JPH01165744A |
PURPOSE: To produce a cast iron product for a vacuum vessel effective in keeping the degree of vacuum of a high vacuum atmosphere by coating the inside of a casting mold with a graphite spheroidizing agent and pouring molten cast iron to...
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JPH0132177B2 |
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JPH0130574B2 |
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JPH01150461A |
PURPOSE: To make a solidified crystal structure a fine material and to prevent the generation of a void by detecting the degree of vacuum inside a cavity by pressure reduction and the molten metal ascending inside the nozzle for molten m...
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JPH01122656A |
PURPOSE:To obtain a lead battery of excellent productivity and high reliability by using a porous material freely for a mold and adjusting the temp. of the whole mold body by ventilating the gaseous body for adjusting the temp. CONSTITUT...
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JPH0120950B2 |
The vertically ascending casting of a thin-walled metal pipe and integral end fitting from a bath of molten metal is implemented using a housing 12 and a core 14 to mold the end fitting or bell housing and a tubular draw tube 6 to mold t...
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JPH0160357U |
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JPH0195866A |
PURPOSE: To produce a lightweight substrate for a lead storage battery having a long service life by applying pressure to a molten lead alloy heated to the m.p. or above and injecting the alloy into a metal mold under the pressure at a s...
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JPH018786Y2 |
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JPH0113952B2 |
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JPH0112585B2 |
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JPS6411384B2 |
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JPS649107B2 |
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JPS6440168A |
PURPOSE: To be excellent in a release property and to improve the quality and productivity of a grid body for lead battery by providing the polytetrafluoroethylene layer having a permeability in the thickness direction on the surface of ...
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JPS6434570A |
PURPOSE: To obtain a lead alloy mold excellent in a mold releasing property and improving the quality and productivity by engraving a grid or core metal on a permeable metal body and providing the coating layer of a tetrafluoropolyethyle...
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JPS646863B2 |
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JPS6434569A |
PURPOSE: To cast a thin grid of stabilized quality easily with high productivity and at low cost by fitting plural dies upwards on the peripheral edge of on a rotary base and casting a molten alloy by pressurizing via a molten alloy feed...
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JPS6420953U |
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JPS6420954U |
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JPS643571Y2 |
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JPS643576Y2 |
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JPS644871B2 |
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JPS6418562A |
PURPOSE: To easily produce a fluid permeable casting by arranging an easily eluatable ceramic core planting plural ceramic pipes in a casting cavity and removing by resolving the ceramic core from the casting obtd. after pouring molten m...
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JPS64144B2 |
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JPS63313653A |
PURPOSE: To further easily remove a mold releasing agent in a mold and to maintain good environment without developing dust by removing the old mold releasing agent with rotating brush while injecting water flow and making construction f...
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JPS63299847A |
PURPOSE: To surely fill up molten metal into thin thickness of a radiating part by filling up molten metal under pressurizing while exhausting gas at inner part under negative pressure condition in a mold. CONSTITUTION: The mold 1 is ins...
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JPS63295036A |
PURPOSE: To prevent deformation of a metallic mold by inserting two layer materials made of polytetrafluoroethylene sheets inserting metal bar into grooves maching to plate-like projections, which are formed on surface of a metal base bo...
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JPS63180153U |
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JPS63281763A |
PURPOSE: To constitute a mold for producing grid body for lead battery having high parting ability and excellent quality and productivity by executing engraving on porous layer side in two layer cast iron composing of the porous layer on...
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JPS6357146B2 |
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JPS6355387B2 |
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JPS63260665A |
PURPOSE: To prevent crystal coarsening, to reduce the contamination of a gas, etc., and to obtain the title substrate having high corrosion resistance and mechanical strength by pouring the lead alloy molten metal contg. no Sb into a die...
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JPS6353899B2 |
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JPS6353905B2 |
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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JPS6340797Y2 |
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JPS6352990B2 |
A method for producing spherical metal particle uses a molten metal reservoir for containing a molten metal, a rotary drum having a number of teeth onto which the molten metal is to be adhered one after another and a driving means for ro...
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JPS63248559A |
PURPOSE: To obtain a foamed metal having uniform bubbles by melting the metal, adding thickener crushed to fine powder, pouring into a tundish and adding the specific quantity of foamed agent while stirring the molten metal by stirring m...
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JPS63248560A |
PURPOSE: To improve durability of a mold by forming coating layer composing of tetrafluoroethylene-hexafluoropropylene coplymer (FEP) as a first layer and poltetrafluoroethylene (PTFE) as a second layer. CONSTITUTION: Grease is removed f...
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JPS6338074Y2 |
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JPS6337143Y2 |
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JPS6345897B2 |
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JPS6345898B2 |
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