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JPH0655523A |
PURPOSE: To make the mold-releasing of a hollow concrete product possible especially just after steam curing by a method wherein the side frame of a form consists of a support main body and a releasing member made of material, which does...
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JPH0613775B2 |
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JPH0647729A |
PURPOSE: To provide a mold for a concrete column which can be used for centrifugal molding with a fixture inserted. CONSTITUTION: A fixture-holding projected part 12 is installed between the parts of a cylindrical mold body 11 which is c...
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JPH0611486B2 |
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JPH0611487B2 |
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JPH069811B2 |
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JPH0631719A |
PURPOSE: To release from a cylindrical die without crack and deformation of a ceramic pipe and to prevent crack and deformation of the piece in the case of conveying or baking it after releasing from the die by providing an elevator for ...
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JPH0632645A |
PURPOSE: To provide a production method for ceramic pipes characterized by drying the products without causing their wall thickness nonuniformity, inner surface roughness, or cracks. CONSTITUTION: In producing a ceramic pipe by casting m...
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JPH068677B2 |
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JPH068676B2 |
A concrete-type composite pipe having a cylindrical concrete layer (1) and a corrosion protective layer (2) formed in an inner surface of the drum mold; in a boundary region between the concrete layer (1) and the corrosion protective lay...
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JPH0623728A |
PURPOSE: To easily demold a molded product by covering the periphery of the die arranged in a form with a water-soluble instantaneously swellable sheet. CONSTITUTION: A water-soluble instantaneously swellable sheet 3 is wound around the ...
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JPH0623730A |
PURPOSE: To provide a means generating no adhesion or mixing of impurities to a ceramic pipe based on the handling at the time of feed of a ceramic molded object to a baking furnace. CONSTITUTION: A centrifugal mold 1 is constituted of a...
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JPH0623732A |
PURPOSE: To produce thick and large ceramic concrete using an extremely small amount of a molten material by centrifugally molding a mixture of a raw material and water to transfer a component with high specific gravity to the outer peri...
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JPH066285B2 |
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JPH066286B2 |
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JPH066071A |
PURPOSE: To enhance an oxide superconductive magnetic shielding body in magnetic shielding performance by a method wherein an oxide superconductive sheet of continuous length is rolled into a cylindrical magnetic shielding body radially ...
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JPH062331B2 |
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JPH061575Y2 |
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JPH06328B2 |
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JPH0595707U |
[Purpose] A joint is obtained in which the firing styrol alone can be connected to each other without causing a displacement between adjacent ones, and even if a lifting prevention member is attached, the firing styrol is not damaged by ...
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JPH05337926A |
PURPOSE: To provide the manufacturing method for a concrete member with a hollow section for using hollow molded members a number of times without leaving the hollow molded members in concrete and releasing the hollow molded members from...
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JPH0593806U |
[Purpose] It is related to a drawing device that is suitable for a tubular core type that forms a concrete tube, especially a core type with a small diameter. It has a simple structure, is easy to assemble, and performs drawing operation...
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JPH0592339U |
A casting mold for a concrete column or beam, made up either of a horizontally oriented elongated trough having a bottom (1) and side walls (2) or of a vertically oriented elongated tubular mantle (5). The ends of the mold are closed by ...
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JPH05329827A |
PURPOSE: To obtain a ceramics pipe free from deformation by forming a water- soluble ultraviolet curable resin layer on the periphery of a molded object extruded from a nozzle orifice along with a core metal and curing the resin layer by...
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JPH0585328B2 |
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JPH05322447A |
PURPOSE: To maintain the furnace floor part of a DC electric furnace with good durability, and provide the stability of the operation. CONSTITUTION: Sleeve bricks 7 which are arranged around an electrode 5 of a furnace floor part 2 of a ...
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JPH0585327B2 |
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JPH0546561Y2 |
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JPH0588911U |
[Purpose] It is an object of the present invention to provide a joint structure of a formwork for a concrete pile with knots, which can be removed without applying vibration and can easily remove the solidified paste. [Constitution] The ...
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JPH0584202B2 |
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JPH0545627Y2 |
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JPH05305611A |
PURPOSE: To provide a prestressing tension transmission device which can exchange simply chucks to a tension rod in accordance with a change of the diameter of a concrete pillar which is molded by a concrete shuttering. CONSTITUTION: A f...
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JPH05301214A |
PURPOSE: To produce a mold for molding a hollow part at a low cost, facilitate a mold removal operation, and easily produce a PC column member provided with a hollow part at a low cost. CONSTITUTION: As a mold 1 for molding a hollow part...
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JPH05293817A |
PURPOSE: To contrive a simple structural and low cost device for manufacturing high quality concrete product by a method wherein highly fluid concrete is poured from the bottom of a form so as not to bring excess air in the concrete. CON...
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JPH05278022A |
PURPOSE: To mold a good hollow precaste concrete (PC) member by making use of a concrete shuttering which is constituted simply. CONSTITUTION: When inner pressure of a bag 20 is increased up to necessary pressure by supplying water to th...
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JPH05278021A |
PURPOSE: To reduce drastically a demolding period of a concrete shuttering by increasing drastically compaction force and increase drastically strength by unifying a thickness, by a method wherein compaction of concrete by an oscillation...
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JPH0574442B2 |
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JPH0573564B2 |
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JPH0572241B2 |
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JPH0571365B2 |
In a method for effectively producing ceramic manifolds for thermally insulating exhaust channels, an intermediate product is first formed by drain casting which includes a main ceramic pipe (1) having plural branch pipes (2) extending t...
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JPH05253921A |
PURPOSE: To reduce a cast molding time and mold a thick-wall piece in cast molding. CONSTITUTION: As a fine ceramic material, a material which is not more than 1μm in average particle diameter and hardly cast molded into a thick-wall mo...
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JPH05254860A |
PURPOSE: To obtain a large-sized porous quartz preform having high quality by coating the outer circumference of a rod composed of a quartz glass with a plastic material composed mainly of quartz glass powder by extrusion molding under r...
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JPH05254871A |
PURPOSE: To obtain a high-purity optical fiber preform by heating and purifying a specified porous preform in a treating gas atmosphere followed by sintering to effect transparent vitrification with tubular structure. CONSTITUTION: A cro...
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JPH05254868A |
PURPOSE: To provide a process for producing a formed material having excellent mechanical strength and giving an optical fiber preform free from bubbles by sintering the formed material. CONSTITUTION: A formed material is produced by usi...
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JPH0569682B2 |
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JPH0567583B2 |
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JPH05245823A |
PURPOSE: To secure a time for rotating a bolt by a nut runner to tighten and loosen it within the prescribed cycle time at the maximum in the case of auto matically clamping and loosening the bolt and a nut which are the clamping members...
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JPH0570904U |
[Purpose] An object of the present invention is to easily take out concrete from a concrete formwork. [Constitution] Air holes and opening / closing means were provided at the top of the middle frame of the concrete formwork.
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JPH05238789A |
PURPOSE: To provide a dry castable concrete composition which have improved strength and resistance to aggressive chemicals. CONSTITUTION: This composition comprises water, hydraulic cement, fine and coarse aggregate and condensed silica...
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JPH0563282B2 |
PURPOSE:To constitute the title method so that contraction or bending is not generated on either mold which is fitted with a moving member, by a method wherein a clamping function clamping both molds in a confronting state and a clamping...
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