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Patent Searching and Data


Matches 701 - 750 out of 783

Document Document Title
JP59050916
PURPOSE: To reduce operating time without requiring a measurement of a depth of groove, by coining a mark simultaneously, in coining a groove for bending in a metallic sheet by means of a coining tool. CONSTITUTION: A projecting part 6 f...  
JP59050920
PURPOSE: To perform continuously a bead forming work, to enable an end- working, and to reduce man-hours and the number of the parts, by providing hard rubber rolls for pressing and holding a workpiece to forming rolls, in a bead forming...  
JP59042138
PURPOSE: To form easily and accurately a bellows part, by providing rotatably a male die and a female die at the inside and outside of a cylindrical body and forming the bellows by applying a load on the cylindrical body held between the...  
JP59041795
PURPOSE: To enable acceleration of heat transfer, by a method wherein a boundary layer of a temperature, which is capable of washing the bore of the inside of a pipe and is developed in the vicinity of a heating surface, is come off effe...  
JP59035834
PURPOSE: To obtain a titled cylinder by a very simple method and device, by forming a cylinder between a punch and a die having a projecting line which forms a part of a spiral in opposed semi-circular grooves and is out-of-phase from a ...  
JP59035833
PURPOSE: To manufacture a groove with high accuracy by exact pitch and depth, by forming an almost cylindrical body by bending a base material along a slit formed together with the groove on a plate base material, when manufacturing the ...  
JP59033034
PURPOSE: To prevent occurrence of distortion in manufacturing beaded panels by restraining a plate with upper and lower dies and compressing the part near both ends of the bead in the final stage of bead forming. CONSTITUTION: A panel 1 ...  
JP59033035
PURPOSE: To obtain a beaded formed plate free from distortion in forming a long bead by repeating partial forming successively using dies, by restraining a flat plate part on both sides using upper and lower dies to prevent drawing of th...  
JP59004920
PURPOSE: To manufacture a heat transmitting body having grooved parts and ungrooved parts accurately and easily by forming turbulence forming parts on the surface of the material for the heat transmitting body by plastic working and then...  
JP59001040
PURPOSE: To form intersecting oil grooves by rolling on the surface of a columnar member, by holding the columnar member between a pair of flat dies having teeth different in the direction of torsion and moving the flat dies in the direc...  
JP58221620
PURPOSE: To obtain a cylindrical member with normal work length and shape size of a curl part by chucking a work having bead parts formed and detecting that the work length is in a reference size, and then performing curling work. CONSTI...  
JP58212817
PURPOSE: To improve workability and production efficiency, by forming grooves in the outer peripheral surface of a pipe body by a slitting roll having projecting blades used for forming grooves in the outer peripheral surface of the pipe...  
JP58212816
PURPOSE: To manufacture efficiently and continuously a pipe having spiral grooves, by leading a pipe having straight grooves to a flyer directly after being continuously formed, and rotating the flyer around a drum. CONSTITUTION: Directl...  
JP58212815
PURPOSE: To manufacture continuously a pipe having spiral grooves by leading a formed pipe having straight grooves to a flyer having the axis perpendicularly intersecting with the axis of a drum supported by a cradle, and rotating the fl...  
JP58202920
PURPOSE: To work a line groove on the inside face of a pipe, by providing a rolling roll in plural roll fitting holes of a cylindrical roll holder, inserting a mandrel provided with a large diameter part and a small diameter part in the ...  
JP58202919
PURPOSE: To work a line groove on the inside face of a pipe, by providing a bearing part for projecting a rolling roll, on a roll containing hole of a roll holding cylinder, inserting a rod into the roll holding cylinder, and pushing up ...  
JP58202712
PURPOSE: To high accurately form a groove in desired depth to the peripheral surface of a pipe body, by inserting a center roller into the pipe body and providing slit rollers corresponding to the center roller to the outside of the pipe...  
JP58199637
PURPOSE: To obtain a rotary valve by a small number of man-hour for working, by forming as one body longitudinal grooves of the inside circumference of a sleeve, by plastic working. CONSTITUTION: A rotary valve is constituted of a sleeve...  
JP58192626
PURPOSE: To increase the number of types of a workable hidden member, by changing an outside metallic die stuck to a main shaft of a roll machine and a working tool of the tip of a holding member, to other working metallic die and workin...  
JP58188519
PURPOSE: To work crossed grooves on inner face of a pipe efficiently at low cost and in a short time by inserting two groove working punches having working grooves of different slanting angle successively into a pipe to be worked by a fe...  
JP58176032
PURPOSE: To form spiral embossed lines and to increase the strength, by receiving the drums of a pair of facing rolls to semicircular sectional form to form a circular press contact passage, providing projected lines on the recessed face...  
JP58167029
PURPOSE: To manufacture a long-sized pipe having internal spiral groove continuously from a pipe having internal linear groove, by giving twisting action only to the part of the pipe between holding rollers provided between a rewinding d...  
JP58167030
PURPOSE: To manufacture a long-sized pipe having internal spiral groove continuously from a pipe having internal linear groove, by giving twist to the pipe by rotation of a rotary frame between holding rollers attached to the rear end of...  
JP58151923
PURPOSE: To form easily a die used for forming a bead by accurately making base plates to coincide with each other, by unifying two metallic base plates to cut a slit, and inlaying a metallic band plate projectingly in the slit of one ba...  
JP58116936
PURPOSE: To work many narrow grooves economically and at stable quality by restraining the outer diameter of a pipe partially by a cylindrical collar and using a tool for rolling attached on the inner face of the pipe to coincide with re...  
JP58116938
PURPOSE: To manufacture cylindrical bodies having smooth outer circumference and recessed inner wall efficiently in quantities by manufacturing a cylindrical body of small outer diameter using a die and a punch having projection on a par...  
JP58116935
PURPOSE: To form an inside grooved pipe for a heat exchanger, etc. easily, by fixing a pipe bent in U-shape to a clamper of the same shape and pressing in a punch having grooved projections from the open end of the pipe. CONSTITUTION: A ...  
JP58112613
PURPOSE: To simply and easily manufacture a cylindrical matter having excellent shape-accuracy and precise inward and outward bellows, by forming an outward bellows, with the aid of a hydraulic pressure, at a slender part having a size e...  
JP58104119
PURPOSE: To manufacture in low cost an outer steel sheet superior in strength and external appearance for a car structural body, by forming a bead part or giving plastic deformation such as press forming to the steel sheet for a railway ...  
JP58086990
PURPOSE: To reduce variance of depth of a groove of an inlay type clad band, by forming the groove by removing a dummy wire rod which is superposed on a base material and rolled, and executing the rerolling by fitting in a clad wire rod....  
JP58065519
PURPOSE: To automatically form a can drum by extrusion, and to realize mass production of a unit can, by feeding out a can drum pipe to a receiving roller by a feed roll, extruding it by an extruding roll, and cutting it by a cutter. CON...  
JP58050131
PURPOSE: To heighten the working speed and to reduce the working cost remarkably, by connecting an ultrasonic wave oscillator to a holder having a grooved tool and performing grooving at the inside of a heat exchange pipe by pressing the...  
JP58044932
PURPOSE: To obtain a ring for a universal joint having desired shape only by press working by flange forming an intermediate product made by expanding a part of a cylindrical material to funnel-shape while forming concave grooves in radi...  
JP58035023
PURPOSE: To form groove parts lengthwise easily even in the surface of a long- sized tube material which has step parts in the middle, by pressing plural rotatable forming rollers against the tube material surface and then running it len...  
JP58032530
PURPOSE: To obtain a presice die for metallic gaskets easily at low cost by forming slits which correspond to necessary beads in two base plates and implanting steel plates therein, and forming steps, opposed with intermediate plates bet...  
JP58023561
PURPOSE: To prevent the formation of internal pinholes by exerting mechanical pressure upon the molten metal of stainless steel, German silver or brass charged in a mold thereby solidifying and molding the metal. CONSTITUTION: Metal such...  
JP58020330
PURPOSE: To form a deep groove and emboss by one stroke of a punch for the thickness of a work by forming one or both of the shoulder of a punch and the shoulder of a die groove into multiple stepped form. CONSTITUTION: For instance, the...  
JP58016737
PURPOSE: To equalize a surface and thickness of a corrugated part, by rotating a material pipe, and making a freely rotatable forming roller press-contact to said pipe. CONSTITUTION: A material pipe 1 is rotated, and a forming roller 2 w...  
JP57209727
PURPOSE: To manufacture dies for forming a gasket easily by forming dies of a male die and a female die for press forming a metallic gasket forming a projection for forming bead using a steel plate in a slit provided in an iron base plat...  
JP57177833
PURPOSE: To shorten the time of contracting-off and blind closing operation for a worked tube by arranging a rotating supporting roll and a contracting roll unit on both sides of the worked tube, and then narrowing down an interval betwe...  
JP57171525
PURPOSE: To remarkably reduce the man-hours and to make the quality stable, by mold processing so that a part to form a sharp edge is provided with an excessive thickness and then processing the sharp edge. CONSTITUTION: Mold processing ...  
JP57165126
PURPOSE: To detect directly the quality of bead working without being influenced by roundness of the can shell by detecting the depth of bead on the basis of can shell after bead forming working. CONSTITUTION: When a can shell enters the...  
JP57134218
PURPOSE: To form projections on the inside surface of both opening parts of a short pipe held by holding rollers by using forming rollers, and to obtain a coupling free of blow holes inexpensively, by holding both expanded end parts of t...  
JP57130722
PURPOSE: To form curls, flanges, etc. in a can shell material with high efficiency by installing a curl forming machine and a flange forming machine in the upper and lower parts, shifting them in front and in rear and moving a carrying m...  
JP57121842
PURPOSE: To reduce a part of a pipe by plastic deformation by thrusting a ring- shaped member made of elastomer into a metallic pipe, enclosing the outer circumference of the ring shaped member with a member, and bulging the inner circum...  
JP57121830
PURPOSE: To set the height of crest and depth of trough optionally without using multiple stage rolls by providing a supporting ring that controls the depth of trough of a bellows and at the same time, providing a ring that is in contact...  
JP57112910
PURPOSE: To advance a long sized metallic pipe and to work the outer and inner surfaces of the pipe into a prescribed shape by the rotating force of an outer- and- inner-surface working machine, by arranging said machine at the post stag...  
JP57112911
PURPOSE: To roll a metallic pipe into the pipe having prescribed diameter and thickness, to form the smooth inner surface of the pipe and to improve the productivity, by pressing rolling rolls inclined to the pipe-axial line of the outer...  
JP57112913
PURPOSE: To process the outer and inner surfaces of a long-sized metallic pipe into the prescribed shapes by advancing the pipe with the aid of the rotating force of rolling rolls, by revolving and rotating the rolling rolls which press ...  
JP57112916
PURPOSE: To guide an advancing metallic pipe smoothly for increasing the working speed of outer and inner surfaces of said pipe and to improve the productivity, by arranging plural rolling rolls and guide rolls at the outside of the pipe...  

Matches 701 - 750 out of 783