Abstract: A method and device are disclosed for forming the end of a metal pipe into a collar substantially perpendicular to the longitudinal axis of the pipe. The method involves spreading the pipe end into a position perpendicular to the longitudinal direction of the pipe in two or more stages. The device includes an auxiliary head of conic form for spreading the pipe end into a collar substantially perpendicular to the longitudinal axis of the pipe, the auxiliary head being mounted in the device after the pipe end has been spread in a first stage to an angle differing from 0.degree. relative to the longitudinal direction of the pipe. The auxiliary head is so arranged that the working surface of the auxiliary head, when pressed against the pipe end, is substantially perpendicular to the longitudinal direction of the pipe.

Abstract: A manual crimping apparatus for attaching a ferrule to the end of a hose includes a pair of facing die carriers each having a pair of roller dies. The two die carriers may be moved toward and away from each other to establish the inter-die spacing between the die carriers in accordance with the outer diameter of the ferrule. Precise calibration of the inter-die spacing is provided by a plurality of selectively sized gauge blocks in one embodiment or the combination of a gauge stop pin and a plurality of apertures adapted to receive the pin which are spaced in accordance with a range of ferrule sizes. The four roller dies are free to rotate within their respective die carriers, with a first pair of die rollers having parallel axes of rotation and a second pair of die rollers also having parallel axes of rotation.

Abstract: A method for processing a nut seat formed around a bolthole on a wheel including the steps of drilling the nut seat and the bolthole substantially simultaneously with a step drill and performing roller burnishing on at least edge portions of the nut seat wherein the roller is rolled on the nut seat in the circumferential direction of the nut while the roller is pressed onto the nut seat. By roller burnishing, at least the edge portions of the nut seat are finished to a specular grade. The strength of the nut seat itself can be increased by the roller burnishing, thereby decreasing the required thickness of a light alloy wheel and the total weight of the wheel. In addition, the manhours for processing the wheel can be reduced.

Abstract: A machine and process for forming a high strength precision bar joint and more particularly for forming rolled tapered threads on a bar end such as the tapered end of a reinforcing bar used in concrete construction. Such machine and process employs opposed oppositely rotating die disks which have conical opposed die surfaces. A thread form die is provided on the conical die surfaces in the form of thread form spirals which bear against the opposite sides of the tapered bar surface as the die disks rotate. The die surfaces include opposed recesses into which the bar end is inserted. The bar may be held for rotation aginst a stop as the die disks oppositely rotate. Alternatively the bar end may be held against rotation and the die disks orbited around the bar end as the die disks oppositely rotate. A tapered surface is formed on the bar end prior to roll forming of such threads as by hot or cold forging or by cutting.

Abstract: A new type of inclined axes roller spin flanging tool for drawn and ironed containers is shown. The tool has a pilot, a specially configured roller and a predetermined cam rate for its use.

Abstract: The invention relates to a tool point as well as to a method and device for making a pipe joint flange in sheet material, like in the wall of a pipe. The tool point is provided with a hole-working bit member and a flanging surface is provided by the lower face of a recess thereabove or by the top surface of a chamfer. During the drilling of a hole, a certain axis of the hole-working means is brought to coincide with the axis of rotation of said tool point. When the hole working is finished, the tool point is shifted relative to the axis of rotation so as to move said axis of the hole-working means away from the axis of rotation, said flanging surface thus moving below the rim of a hole. When the tool point is then rotated in this radially displaced position while simultaneously pulling it out of the hole, the flanging surface pulls the hole rims upwards to form a flange. A single-component tool point is simple and sturdy and can, therefore, be used for flanging thick sheets.

Abstract: A tube expanding and flaring tool comprising a rotatable cage which has a nose guide, size to be received in a tube end that is to be expanded and flared. The cage has a tail shaft by which the cage is to be rotated. There is at least one roller carried by the cage which extends partially through the cage for rolling engagement with the interior surface of the tube. There is a nose surface on the roller with a portion thereof tapering from a first diameter to a second relatively larger diameter. Also there is a truncated conical tail surface on the roller expanding at a predetermined angle form the second diameter to a third relatively large diameter. Further there is means for supporting the at least one roller in rolling engagement with the interior surface of the tube end with sufficient force to expand the tube to a diameter relatively larger than its original diameter and to flare the tube end at the predetermined angle of the truncated conical tail surface of the roller.

Abstract: The problem of hose breakdown in the field is solved by a hand-held crimping tool according to the present invention. The crimping tool disclosed has a frame with two leg portions projecting out from the ends. A crimping die roller including two arcuate ridges separated by an arcuate groove co-operates with two spaced rollers that move with a carriage. The carriage is advanced and retracted by a threaded shaft. The crimping die roller is supported on one leg portion and a threaded shaft on the other leg that moves the carriage. A pre-calibrated crimp measuring means on the tool provides the exact amount of crimp for each fitting and hose.

Abstract: Disclosed is a rotatably drivable tool for mechanically joining together threaded nut and bolt components of a fastener assembly to maintain together the assembly and workpieces joined thereby, the tool having a socket portion for receiving the nut of the fastener assembly, and swaging inserts spaced inwardly of the interior wall of the tool socket portion to compress a portion of the nut of the fastener assembly into mechanical engagement with the bolt of the fastener assembly upon driving of the tool.

Abstract: The apparatus allows providing a rim on the tips for ballpoint pens even if made of a very hard material, such as stainless steel, as it can withstand very great pressure. It comprises a first body (1) rotating about an axis (8) which coincides with the axis of the tip (10) to be provided with a rim. The body (1) is provided with an eccentric hole (11) on whose axis (9) a second body (3) rotates on first rolling bearings, in which second body (3) a pivot (5) rotates coaxially on second rolling bearings. The pivot (5) contacts on its inner end (5") a pushing member (12) and on its external end a first convergent conical surface (5') which presses directly on the edge (6) of the tip to be provided with a rim with the aid of a second divergent conical surface (3' ) joined to the second body (3). The two surfaces (3'and 5') are such as to constitute the angle .alpha. which is most suitable for providing a rim on the edge (6) of the tip (10) by retaining the ball with the desired clearance.

Abstract: A rolling tool for both expanding and reforming the dented end of a tube within the tubesheet of a nuclear steam generator is disclosed herein. Generally, the tool comprises a rotatable roller cage having a diameter which is approximately the same as the minimum diameter across the dented tube end, a plurality of rollers rotatably mounted within pitched slots in the roller cage, a tapered mandrel slidably movable within an opening in the cage for rotating, orbiting and radially extending the rollers, and a ring which circumscribes at least a substantial portion of the cage for providing a surface around and against which the rollers may rotate when the roller-driving mandrel is rotated. In the preferred embodiment, the cage is rotatably mounted within a collar and the ring is detachably mountable around the proximal end of the roller cage.

Abstract: A method of reducing the thickness of the wall of a tube wherein in the zone of the reduction of the wall thickness, on the internal surface of the tube the plug of a mandrel exerts a pressure causing an increase of the inner diameter, and on the external surface rolls exert a pressure securing invariability of the outer diameter of the tube.A rolling mill for reducing the thickess of the wall of a tube comprises a extension plug (4) mounted on a mandrel (1) and working rolls (6) which in the zone of the reduction of the wall of the tube (2) have the surface of the roll face parallel to the axis of the tube (2). Bearings (7) of working rolls (6) are radially-slidably mounted in the planetary cage (8).

Abstract: A rolling wobble press includes a planar surface which is perpendicular to a first axis and a cone which rolls on the planar surface as the cone revolves around the first axis. The axis around which the cone rotates as it rolls intersects the first axis at the same point that the first axis intersects the planar surface so that under ordinary circumstances, there is no slippage between the cone and the planar surface. The cone is driven by a drive shaft which is coaxial with the first axis. The drive shaft is connected to the cone via a crank having an arm oriented obliquely thereto in which arm the cone is rotatably journaled.In accordance with one embodiment of the press, the press is used to drive a plurality of punches in a riveting machine.

Abstract: An apparatus and method are disclosed for flanging thin-walled canbodies. Slippage in the circumferential direction between the canbody and flanging apparatus is severely reduced by mounting rollers in the flanging head on radial axis of rotation which are perpendicular to the longitudinal axis of the canbody. This roller orientation provides a number of other advantages including lowered incidence of defective flanges, reduced maintenance of the roller, reduced cost and complexity in roller and mounting means fabrication and a reduction in the strain and stress the canbody is subjected to. Critical to satisfactory commercial operation of the present invention is the provision of and the proper interaction between a transition and clearing surface and a frustoconical support surface on the rollers.

Abstract: A continuous rotary machine for roll flanging the ends of cylindrical container bodies transports the container bodies in a star wheel while applying a roll flanging tool head to the end portion of the container body in two stages. In the first stage, the tool head forms a small flange that acts as a stress ring to maintain the cylindrical body in circular configuration at the open end, and the stress ring is ironed. In the second stage, the tool head advances by a greater distance to form a larger portion of the flange, and this flange is ironed. Both ends of a cylindrical container body may be simultaneously flanged by this method, in which case the opposite flanging heads rotate in opposite directions at substantially the same speed. The rotary apparatus provides a spindle/ram assembly on a turret for supporting and moving the flanging heads. A cam operates the axially movable ram portion and is located radially outside the ram for greater accuracy in the cam profile.

Abstract: An apparatus for forming a thread about the sidewall of a closure is disclosed. The apparatus features a nest for holding the closure and a circular tool fittable within the closure while it is in the nest. The nest and the circular tool have cooperating die means so that when the circular tool achieves planetary motion the die means coact one with the other to form a thread on the closure.

Abstract: Powder metal first pressed into a green briquette having an inner cavity is then sintered to form a rigid part. The inner cavity of the part is next sized in a lap-like operation by a spherical-shaped tool. The tool is rotated in an orbital pattern comprising a series of elliptically-shaped cycles. As the tool rotates, small successive portions of a surface of the cavity are contacted by the tool. This lap-like interaction between the tool and cavity surface not only sizes the cavity to an exact dimension but improves the wear quality of the cavity surface by increasing the density of a wall of the cavity as well as providing an improved surface finish.

Abstract: A frame bears a pair of laterally spaced lower rollers mounted for rotation about parallel axes within the base of the frame. An upper roller assembly is mounted for movement on the frame towards and away from the lower rollers and bears on the lower face thereof a pair of upper rollers mounted for rotation about parallel axes and positioned to generally overly the lower rollers. A hollow, soft metal tube inserted between the upper and lower rollers and maintained in contact with the rollers by lowering the upper roller assembly has tubing roundness restored during slow rotation of the tube about its axis and longitudinal shifting of the tube between the roller pairs.

Abstract: A metal cap or closure having a smooth, rounded edge. The smooth, rounded edge is formed by contacting the rough edge of the cap or closure with a plurality of moving metal spheres. The apparatus for forming the smooth, rounded edge includes a plate in which the spheres are rotatably mounted and a holder for holding the closure over the spheres so that the edge of the closure contacts the rotating spheres.

Abstract: A tube end expander and a method of operating the same. The tube end expander comprises a rotatable, tubular cage defining a plurality of generally axially extending slots, and a plurality of rollers located within the cage and extending through the slots. The expander further comprises a rotatable, tapered mandrel axially extending into the cage in frictional, driving contact with inner surfaces of the rollers, and an auxiliary roller drive for transmitting rotary motion from the mandrel to the cage and rollers.

Abstract: A knurling tool including an elongated body member having opposite ends and a bore extending therein from one end, the bore being spaced from and acutely angularly related to the axis of the body and extending in part through the side of the body, the bore having an enlarged portion intermediate the ends thereof, an elongated roller having an enlarged annular portion intermediate the ends thereof positioned in the body bore, with the enlarged roller portion being positioned in the enlarged bore portion, the enlarged roller portion being defined by an annular side surface angularly oriented relative to the axis thereof, and a pilot member cooperatively engageable with the body member and with the roller in position to trap and hold the roller in the bore.

Abstract: Apparatus for expanding the mouth of a hollow article, said apparatus comprising a rotary expansion tool and a holding pad reciprocable towards and away from the tool. The rotary expansion tool includes a cage, a plurality of rolls held in equispaced relationship by the cage around an inner race which holds the rolls in rolling engagement with the outer race. Means within the tool cause the rolls to roll within the outer race, each of said rolls having a work portion, extending in an axial direction from the outer race. The work portions enter the mouth of an article pushed into engagement therewith by the pad, to expand the mouth an axial distance determined by the length of a mandrel which serves to guide the article to the rolls. A sleeve shrouds the working surface of the rolls for safety.

Abstract: A shaper tool for truing the end portion of a pipe or tubing, including a plurality of cylindrical projections adapted to be inserted into the end of a deformed tube, and means to adjust the relative position of the projections to exert outward radial force on the inside of the tube.

Abstract: The method and tool of this invention functions to reduce the ends of tubular material, such as oil or gas well drill pipe, particularly pipe having a flared end. The tool consists of a mandrel sleeve having an inner tapered surface, a series of conical rollers mounted in a roller cage within the mandrel so the rollers bear against the tapered surface. With the pipe inserted between the rollers and with relative rotational and axial movement between the pipe and the mandrel, the rollers will engage the surface of the pipe applying a swaging force to the pipe which is increased by the decreasing diameter caused by axial movement of the pipe and rollers along the tapered surface.