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JP04043014 |
PURPOSE: To remove a gate efficiently and sense whether the removal is carried out correctly or not by eliminating a trace of gate by means of a horn of a supersonic welder and sensing whether the removal is carried correctly or not by c...
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JP04033825 |
PURPOSE: To make the cutting of unnecessary part after molding unnecessary and, in addition, make it possible to arbitrarily change the shape of parison, when necessary, by a method wherein parison is arranged in a mold and stretched by ...
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JP04010920 |
PURPOSE: To improve the working efficiency and achieve a high degree of machining of a flange by bringing a male die closely to a female die, cutting the outer periphery of a flange between a cut step and a receiving step and thereafter ...
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JP04004127 |
PURPOSE: To manufacture easily and inexpensively a pipe joint which is light in weight, superior in strength and has different diameters, by a method wherein an end part of a tubular body is softened by heating the same, the diameter of ...
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JP04001024 |
PURPOSE: To mold the receiving port of a composite pipe not generating possibility such that a synthetic resin layer is released from the inner peripheral surface of a metal pipe by providing elastic force not breaking an adhesive layer ...
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JP03292125 |
PURPOSE: To seal simply and reliably a plastic vessel, by a method wherein a mouth part of the vessel made of thermoplastic is pressed into a recessed part of a mold heated at the plasticizing temperature or higher while plasticizing the...
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JP03289416 |
PURPOSE: To provide a filling container having a minimum head space by a method wherein an end piece is fixed to one end of a cylindrical grin body made of plastic material, product is put into the main body, the end piece provided with ...
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JP03277529 |
PURPOSE: To obtain an F R P tube having a male screw part with an axially excellent strength by raising and flocking staple fibers by an electrostatic flocking method on the male screw forming end outer peripheral surface of the tube in ...
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JP03275425 |
PURPOSE: To perform a fast manufacture of a filled container by a method wherein an end piece of the container advances up to a terminal end position with in a main body by a relative displacement between it and a main body portion while...
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JP03266631 |
PURPOSE: To improve remarkably heat efficiency and to obtain with extreme easiness a softening temp. which is necessary for forming a receptacle with an enlarged diameter at a pipe end by providing an internal heater perforating a heatin...
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JP03261536 |
PURPOSE: To recover a container at the time of a fault at a forming state by removing the container of an end from one or a plurality of container layers, closing a male mold and a female mold, forming the edge at the overall flange, the...
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JP03251429 |
PURPOSE: To carry out drawing process with the stabilized condition by heating inner and outer surfaces of a resin tube by means of a face-shape heater and further heating sections necessary for drawing all over the inner and outer faces...
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JP03243327 |
PURPOSE: To fit and connect a socket section and an inserting section positively, and to prevent slip-off in a receiving-inserting connecting section by heating and softening a holding section, pushing an outer die from the oblique direc...
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JP03215021 |
PURPOSE: To fold back the excess length part of a tube for roller with good workability by a method wherein the excess length part of the tube for roller is diametrically expanded by the predetermined amount by diametrically expanding ex...
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JP03178422 |
PURPOSE: To form a resource saving and low cost boiler shell without through injection molding by a method wherein the rolled flanging part of a tubular boiler shell, which consists of thermoplastic resin and on which a side seam is made...
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JP03162929 |
PURPOSE: To prevent the spring back of a flange part due to residual stress by heating the opening end part of thermoplastic resin pipe cut into a constant length at the temperature higher than the heat deformation temperature in only a ...
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JP03162928 |
PURPOSE: To enable the cylindrical opening part and bottom of preform to be molded correctly by molding a multi-layered structure on the cylindrical body and thereafter heating one end and the other end of the cylindrical body and furthe...
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JP03124553 |
PURPOSE: To obtain a favorable flange while preventing spring back of the flange from happening by a method wherein a thermoplastic resin pipe is made of a single layer of multi-layer molded form which has a resin layer of which dielectr...
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JP03092329 |
PURPOSE: To obtain a stable enlarged diameter shape by heating a resin tube and raising the temp. of a diameter enlarging jig so as to make the same higher than that of the resin tube to move said jig in a molding direction under rotatio...
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JP03069460 |
PURPOSE: To easily fit a closure to a container and minimize dishonest manipulations by constituting the free end of a second part of a flange so that the free end is fitted to the under part of the bead on the container when the closure...
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JP03056253 |
PURPOSE: To easily and costlessly obtain a plurality of geometrical shapes different from each other by providing an external cup-shaped part forming a hollow inside and having an opening and a cylindrical part extending from the opening...
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JP03049931 |
PURPOSE: To prevent effectively the burr around sealed part from being generated by a method in which the end edge of the bottom aperture of a tube vessel is prelimi narily nipped with a pair of transferring belts and is flattened, and t...
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JP03048008 |
PURPOSE: To perform engagement naturally and transmit rotational torque enough by forming an engaging part of resin foam agent, coppresponding to an engaged part of an end member on an end of a cylindrical member. CONSTITUTION: A resin f...
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JP03042231 |
PURPOSE: To obtain a lining pipe wherein the folded-back end part of a lining synthetic resin pipe is closely bonded to the outer peripheral surface of the end part of an outer pipe by expanding a pressure link member to expand the end p...
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JP03042232 |
PURPOSE: To closely bond the folded-back end part of a lining synthetic resin pipe to the outer peripheral surface of the end part of an outer pipe by expanding an annular split body to expand the end part of the lining synthetic resin p...
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JP03010829 |
PURPOSE: To easily and efficiently form a chamfered taper free from a defective part by heating a pipe made of thermoplastic synthetic resin from the face of the pipe end and forming a softened part having such temp. distribution that th...
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JP03007324 |
PURPOSE: To form a curved edge part to a container made of a sheet comprising a thermoplastic material by using a mandrel having a substantially closed annular edge part forming chamber formed to the bottom part thereof. CONSTITUTION: Ea...
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JP02277614 |
PURPOSE: To maintain flanges installed during preparation outside an assembly line and stop the rotation of the flanges of the tangential screw type so as to facilitate the tightening by forming raised collars of a height of the flanges ...
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JP02248794 |
PURPOSE: To simplify attaching work for the above hose by enlarging the inner tube metal fitting of a mouth metal fitting by means of compression and deformation of a highly resilient elastomer inserted into a hose so as to attach the me...
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JP02243322 |
PURPOSE: To use a substantially cylindrical parison at a clamp line to effectively remove pleats by preforming the cylindrical parison in a shape of a desired rectangular mold, and injecting the air through an opening bottom of the paris...
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JP02236093 |
PURPOSE: To eliminate work for previously stripping off the skin of a pipe and improve workability in terms of an electrofusion joint which contains a fusing heat means for fusing the end of the pipe by providing in addition a means for ...
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JP02233228 |
PURPOSE: To enhance sealing properties of the title mouth, and to reduce variations in the size of the outer diameter of the same due to the variation of temperatures by a method wherein a drum plate is heated and set in a first bending ...
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JP02194925 |
PURPOSE: To shorten the heating time of a tube and consequently contrive to enhance its production efficiency by a method wherein a mold is instantane ously heated by induction heating. CONSTITUTION: Power supply is put to work under the...
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JP02180303 |
PURPOSE: To generate a simple connected state between two structural parts without any axial play by forming a projection in a tubular shape, fitting the other component, and trimming the fitted structure portion of the projection turned...
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JP02131919 |
PURPOSE: To continuously form resin tubes with socket by a method wherein a minute clearance is formed between the inner peripheral surface of a mold body and the outer peripheral surface of a core and a sphere, which revolves by abuttin...
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JP02131921 |
PURPOSE: To prevent uneven winding from occurring at the resin part on a socket forming mold body by a method wherein the external shape of a socket is formed to the predetermined shape by abutting a plurality of rolls, which are rotated...
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JP02130129 |
PURPOSE: To reduce the stress concentrated at a connection part and to enhance sealability by providing a groove having a circular arc cross section to the welded connection end part of the pipe to be connected of a joint member and moun...
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JP02130126 |
PURPOSE: To easily produce the receiving mouth part of a composite pipe by preventing the release of a synthetic resin layer by mounting a cylindrical release preventing member in the end part of the composite pipe wherein the inner peri...
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JP02130128 |
PURPOSE: To surely and strongly fix a flange to the opening end part of a cylindrical member by forming a flange in such a state that the connection part provided so as to extend from the opening end part of the cylindrical member throug...
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JP02130127 |
PURPOSE: To prevent the damage of the packing inserted in a receiving mouth part or that of an insert port part by expanding the diameter of the end part of a composite pipe and subsequently reducing the diameter of the end part of the o...
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JP02121828 |
PURPOSE: To improve thermal efficiency and to shorten a molding time by providing a cylindrical presser for feeding pressure fluid to a resin hose secured to a bulging mold, and a heater for heating the peripheral wall of the hose corres...
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JP02117814 |
PURPOSE: To enable uniform diameter expansion to be conducted throughout the overall circumference of peripheral wall of a contracted tube by an elastic disposing band plate, rounded up in the form of being a circular wheel shape and ove...
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JP02089627 |
PURPOSE: To obtain a hollow component, in particular a tube, of a long fiber reinforced plastic by having a force induction element integrated on one end, its jacket comprising a part of the hollow component itself and surrounding a tie ...
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JP02080884 |
PURPOSE: To increase the strength of a connecting portion by fitting the connecting end portion of a sheath tube not increased in diameter in the connecting end portion of a sheath tube increased in diameter, and pouring adhesive materia...
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JP02078526 |
PURPOSE: To enable the title method to weld even between sheathed pipes which are superior in an airtight property also and different in their diameters by a method wherein flange parts are formed on end parts of the sheathed pipe and th...
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JP02076719 |
PURPOSE: To form a circular pipe end in an arbitrary shape and consequently reduce production cost in multiproduct and small quantity production by a method wherein a conical tool, which is supported so as to be able to run idle, is push...
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JP02060730 |
PURPOSE: To increase the mechanical strength of a connection part and to enhance the reliability thereof by mounting the first connection part wherein the end surfaces of plastic pipes are welded and the second connection part wherein th...
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JP02048927 |
PURPOSE: To manufacture coupling body for reducing an opening end toward an end in simple steps by casting a resin in a space formed of a mold body and a core, molding the bodies made of a central cylinder, an enlarged diameter cylindric...
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JP02024114 |
PURPOSE: To constitute the titled method so that a thickness of a generating bead ring becomes less than that of a double pipe part by a method wherein the double pipe part obtained by integrating a pipe and short pipe beforehand by outs...
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JP02011233 |
PURPOSE: To improve the operating efficiency by expanding the diameter of the end part of a composite tube, by an elastic member at room temperatures, which is adhered in advance so that the inner peripheral surface of a metallic tube an...
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