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Patent Searching and Data


Matches 701 - 750 out of 9,039

Document Document Title
WO/1988/001917A1
Since conventional cross roll forging is carried out at a high temperature, decarburization occurs in a chemical reaction due to thermal oxidation, so that the work must be subjected to post-processing. Since, however, the present proces...  
WO/1987/007435A1
A battery receptacle for selectively and alternately receiving a lithium battery (11) which has positive and negative terminals (13) on a first end face (9), and alkaline-manganese batteries (21), each of which includes positive (22) and...  
WO/1986/006443A1
A downhole screw motor comprises a casing (1) containing inside it working organs consisting of two elements: an external one which is made as a bushing (2) with inner spiral teeth (2'), and an internal one which is made as a shaft (3) p...  
WO/1986/004274A1
The method according to the invention relates to the making, without material removal, of grooves such as helical threads on the wall of tubes made of ductile or plastic materials. It consists in operating a knurling roller (11) having a...  
WO/1986/003996A1
A rotary forming machine assembly including a lower base (12) and a pair of spindle housings (14) including front (16) and rear (18) walls. A tool spindle (20) is rotatably mounted between the front (16) and rear (18) walls of each of th...  
WO/1986/002867A1
A method of manufacturing a drill shaped cutting tool which is used to roll a workpiece, such as a wire rod by a rolling die; and a rolling die used for this purpose. This rolling die (201) is provided at at least a portion of a substant...  
WO/1986/002416A1
A fastener having a shank with a relatively abrupt transition (34) from an unthreaded portion (33) to a full thread dimension (35), the thread runout (36) occupying no more than one pitch length of the thread in the axial dimension, and ...  
WO/1986/002296A1
Method and machine for making rotational bodies by plastic deformation with a diameter varying lengthwise. Method wherein, upon rotating the blank, a local pressure is exerted with a progressive increase of force involved at start so as ...  
WO/1986/001753A1
The device is provided for the rolling or pressing of spiral drills from a preheated cylindrical blank (21) by means of squint profiled rollers (15) concentrically distributed at the periphery of the blank, delimiting a calibrated openin...  
WO/1986/001753A2
The device is provided for the rolling or pressing of spiral drills from a preheated cylindrical blank (21) by means of squint profiled rollers (15) concentrically distributed at the periphery of the blank, delimiting a calibrated openin...  
WO/1986/000549A1
This invention is characterized in that, during the manufacture of an integrally-forged light alloy wheel for an automobile, an outer rim (12), which rises from the outer circumference of a disc surface (11), is formed simultaneously wit...  
WO/1986/000554A1
A composite assembly knurling tool for forming uniformly-spaced horizontal serrations continuous across the surface of a metal flake producing drum. The knurling tool comprises an alternating array of spacer (15, 17, 19, 21, 23) and form...  
WO/1985/003114A1
The method for making the failure-resistant damper provides for fabricating a hollow cylindrical blank (1) of which the multilayer wall is provided with an artificial discontinuity (2) taking place at least in one of its layers. The diam...  
WO/1985/002797A1
A apparatus for forming splines in a first portion (22) of a shaft (13) of a workpiece (12) and a thread in a second portion (24) of the shaft (13) which has a smaller cross sectional diameter than the first portion (22), the apparatus i...  
WO/1985/000400A1
A safe security system which includes a key operated time delay lock (10) and a separate key switch (9) thereby requiring two individual keys for the opening of the safe, a dye marking device (20) within the safe, a door switch (23), and...  
WO/1984/000511A1
A wheel (16) of which the periphery is shaped as a profile which is complementary to that of the threading to be surfaced, is used as a cutter for roller burnishing a helical thread. The wheel (16) is idle mounted in rotation about an ax...  
WO/1984/000186A1
Reinforcement of a moldable material by means of fibers comprised of a filiform body provided at each of each ends with an anchoring device consisting of one or a plurality of volumes of any shapes and of which all cross-section dimensio...  
WO/1983/002741A1
For the manufacture of a nut, a piece of plate material which is bent to form a tube (9) can be used. This tube can be placed over a mandrel (8) and clamped together around the mandrel, first by means of a pair of spring-loaded dowels (5...  
WO/1983/001097A1
Nail-type fastener, comprising an elongated shank (1) with a head at one end, and a point at the other end. The nail shank has three symmetrically placed, longitudinal grooves (4) separated by longitudinal ridges (8) with a cross-section...  
WO/1983/000025A1
An automatic rolling train comprises a loading device (1), a rolling mill (4) provided with at least two pairs of tools (9, 11 and 10, 12) located on the opposite sides of the rolled workpieces, a mechanism (14) for feeding the workpiece...  
WO/1982/004207A1
A method of making articles by deformation of cylindrical work-pieces comprises the heating of work-pieces (1), their cross-helical rolling with simultaneous deformation of their butt-end waste parts (3) by means of cutoff blades, subseq...  
WO/1982/000608A1
A cross rolling mill comprises a split casing (1) inside which are mounted parallel plates (4) and (5) provided with wedge-shaped deforming instruments (9) and (10). The upper and the lower parts (2) and (3) of the casing (1) are provide...  
WO1982000109A1
A thread-rolling tool comprises a casing (1) in which, evenly spaced along a circumference, are mounted threading rolls (3), (4), (5) with their axes inclined in relation to the axis of rotation of the casing (1) at an angle equal to the...  
WO/1982/000014A1
A method of obtaining on a workpiece a resilient screw thread with a closed helical cavity inside its profile comprises plastic deformation of the walls of a preliminarily manufactured screw groove with a depth exceeding that of the toot...  
WO/1981/001672A1
The tap comprises a groove-forming stage (1) with a shank (2) carrying a thread-forming stage (3) the pitch of projections of which is equal to the pitch of projections of the groove-forming stage (1), whereas the projections of the thre...  
WO/1981/000365A1
A method of manufacturing a resilient screw thread with a closed helical cavity inside its profile comprises plastic deformation of the walls of a screw groove preliminarily manufactured by means of a thread-rolling tool (2). The screw g...  
WO/1981/000094A1
A roller of conveyer having the form of a hollow cylindrical casing (1) with perpendicular butt-end walls (2) provided with semiaxles (3) for bearings. The butt-end walls (2) and the semiaxles (3) are made solid with the hollow cylindric...  
WO/1980/002810A1
A forming leveller establishes one or more datum or reference planes (227, 226, Figs. 7, 9 and 10, for example) to facilitate subsequent roll forming. The reference planes may be established on the same side or opposite sides of the stoc...  
WO/1980/001886A1
The machine for drawing a thread of bolts has two drawing tools (1, 2); one of the tools (1) is attached to a reciprocating carriage, the other tool (2) being fixed against a stop (4). Between the drawing tool (2) and the tool support (3...  
WO/1980/000425A1
A thread forming screw (11) having a helical thread (18) and a tapered lead-in section (14) with a polygonal cross section is formed from a conventional blank (24) by rolling the blank between a pair of thread rolling dies (70) having me...  
JP2018118287A
[Subject] Heat treatment plant which can distinguish a work in which it is not fully heat-treated is flown, and it is offer of an elegance discriminating method. [Means for Solution] Heat treatment plant in a manufacturing method of form...  
JP6365936B2  
JP2018111130A
[Subject] Time which a tooling change of rotation plastic working equipment takes is shortened, and an operating ratio of a device is improved. [Means for Solution] Rotation plastic working equipment has principal-axis mechanism 10, and ...  
JP2018111106A
[Subject] Provide the form-rolling common dice which a spline can improve form rolling of the accuracy to a workpiece. [Means for Solution] Since the 1st processing tooth 20 is provided with camfering side 22 which cuts off the corners c...  
JP2018111103A
[Subject] Time which a tooling change of rotation plastic working equipment takes is shortened, and an operating ratio of a device is improved. [Means for Solution] Rotation plastic working equipment has spring clamp mechanism Q, the 1st...  
JP6356680B2  
JP2018105309A
[Subject] Scraps by cutting do not arise, and as a processing method, it is suitable and fully secures slot length as a processing method without a possibility that a flange may interfere in a circular cutter at the time of processing. [...  
JP6350919B2  
JP6350920B2  
JP6351229B2  
JP2018099699A
[Subject] Setting flexibility of board thickness change in difference thickness metal plates, such as a difference thickness steel plate, is raised. [Means for Solution] According to the manufacturing method of a difference thickness met...  
JP2018516762A
【課題】適用性が強い管雄ネジのローリング 加工方法、モジュール、設備及びそのローリ ング加工生産線を提供する。【解決手段】本 発明は、少なくとも二回のローリングで...  
JP6349185B2  
JP6345222B2  
JP6341001B2  
JP3216520U
[Subject] It is easy to treat and provides a handheld computer Scooping raising molding machine implement which is easy to carry. [Means for Solution] It dips up and a molding machine implement is provided with snow molding part 102, 1st...  
JP6336153B2  
JP2018085265A
[Subject] A male screw is formed appropriately. [Means for Solution] A thread part provided in cylindrical metal fittings contains the 1st thread type Shigeru portion and the 2nd thread type Shigeru portion. Thickness in a groove bottom ...  
JP6335517B2  
JP2018080782A
[Subject] A means by which it can respond also to a screw which manufacture is conventionally easy compared with a ball screw of structure, and has many sections easily is provided. [Means for Solution] A slot of a ball orbit is a nut me...  

Matches 701 - 750 out of 9,039