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Patent Searching and Data


Matches 651 - 700 out of 8,803

Document Document Title
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...  
JP2016193454A
[Subject] A process method of suitable Ring rolling mill for stable shape control in ring rolling and ring rolling material is provided. [Means for Solution] Measurement value L of the 1st step to which it is Ring rolling mill provided w...  
JP2016190253A
[Subject] A cold roll processing method which can make the maximum tension remaining stress of an axis small, and can make the generating position deep is provided. [Means for Solution] A cold roll processing method of the present invent...  
JP6017681B2  
JP6019873B2  
JP6013656B1
Though form-rolling processing is performed, a processing method of a screw which can prevent a projection part from being formed in a screw thread tip part is provided. A screw thread (2A) is formed in cylinder body inner skin (1a) by c...  
JP6009266B2  
JP3206922U
[Subject] A ring roll making machine which can raise abrasion resistance more cheaply and simply is provided. [Means for Solution] Forming rolls 11 are arranged to the perimeter side of circular work W, mandrel 12 is arranged to the inne...  
JP2016176553A
[Subject] A method that a sheave which improved the abrasion resistance of a wire volume credit slot as much as possible can be manufactured comparatively cheaply is provided. [Means for Solution] Powder 5 consisting of an inorganic subs...  
JP2016175092A
[Subject] Large-scale equipment is not needed but an end screw processing method of a steel rod which can fracture certainly a steel rod fixed to a ferro-concrete structure with a base material is provided. [Means for Solution] A tip por...  
JP2016531007A
本発明は、バニシングヘッド(4)及び支持 ローラヘッド(5)を有する、クランクシャ フト軸(K)を中心として回転可能なクラン クシャフト(3)の軸受面(2)のロー...  
JP6001146B2  
JP6000874B2  
JP2016172270A
[Subject] A form-rolling common dice which can control that a crack arises in a screw thread at the time of form-rolling processing, a form rolling device, and a form-rolling method are provided controlling a cost rise. [Means for Soluti...  
JP2016165742A
[Subject] Damage is prevented from arising in a mandrel and an outside diameter restraint type, and structure where improvement in accuracy of shape of a ring shaped member after processing can be aimed at is realized. [Means for Solutio...  
JP2016165754A
[Subject] Even when correcting a screw with a large pitch and a large size of a screw thread to be corrected, without correction capability of a screw thread requiring technical skill highly, a screw thread rectifier which can make screw...  
JPWO2014073258A1
有底筒状の素材の長さ寸法や板厚寸法にバラ ツキがあったとしても、外周面側の形状寸法 に高い精度が要求される製品の精度を確保す ることができるスピニングマシンを提供...  
JP5988846B2  
JP5987714B2  
JP5988301B2  
JP5984329B2  
JP2016159299A
[Subject] A forming process of a disk shaped part article and molding equipment of a disk shaped part article which enable fabrication of a product of bigger size using roll forging are provided. [Means for Solution] In adding load to ma...  
JP2016156499A
[Subject] Even if a roll dice is miniaturized and it is a byway, processing power is decreased and it can fabricate with high precision, and a ball screw nut aiming at cost reduction and a manufacturing method for the same are provided. ...  
JP2016156400A
[Subject] By changing structure at a tip of a guidance screw thread, processing stress which arises between a guidance screw thread and a cylindrical guide at the time of form rolling is eased as much as possible, and an increase in a li...  
JP5979806B1
[Subject] A form-rolling processing method using a form-rolling common dice for threaded fasteners which can attain reinforcement, and the form-rolling common dice for threaded fasteners is provided. [Means for Solution] It bites by the ...  
JP5983461B2  

Matches 651 - 700 out of 8,803