| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 072135000 | To form helical coil or tube | 28 |
| 20080264132 | Spring manufacturing machine - A swing bar is connected to a slide by attaching a first pivot to one end of the swing bar, and a bending die is mounted to the other end. A connecting piece is provided on the upper surface of the swing bar, and a second pivot capable of freely turning is inserted into a through-hole formed in the connecting piece, and then fitted into a guide groove formed parallel to the wire feeding direction in a guide member mounted to a second bending unit. Motors are connected to the slide and the second bending unit, respectively. | 10-30-2008 |
| 20080302155 | Coil spring manufacturing machine - Providing a coil spring manufacturing machine capable of adjusting the shape of a manufactured spring with fixing a wire feeding unit, followed by moving a shaping tool mounting member, attached to one or a plurality of movable members, in the front-rear, left-right, and/or up-down direction of the wire feeding direction. The shaping tool mounting member may be moved in all the three directions. Each movable member is provided with a drive source for driving the movable member. | 12-11-2008 |
| 20080302156 | Helical part manufacturing apparatus and control method thereof - This invention provides an apparatus for manufacturing a helical part by feeding a wire W toward a pointing tool | 12-11-2008 |
| 20090120153 | SPRING MANUFACTURING APPARATUS - A spring manufacturing apparatus comprises a tool support ( | 05-14-2009 |
| 20090173126 | SPRING MANUFACTURING APPARATUS - A quill supporting member supporting a quill may include a movable body, e.g. Z-axis movable body that moves in a Z-axis direction of an XYZ orthogonal coordinate system representing a shaft core of the quill as an Z-axis. A tool holder supporting member supporting a tool holder for holding a tool may include the other movable bodies, e.g. an X-axis movable body that moves in an X-axis direction and a Y-axis movable body that moves in a Y-axis direction. Therefore, the quill is shortened in the Z-axis direction, and a contact area is reduced between a guide path of the quill and a wire rod. | 07-09-2009 |
| 20090308126 | SYSTEM FOR PRODUCING A HELICAL STATOR - In a system for producing a helical stator, a stator core strip is provided having a base portion with spaced tangs extending from the base portion. The strip is driven in a feed direction toward a bending region. At the bending region the strip is bent with an outside pressure member positioned to apply pressure at an outside edge of the strip base portion and with an inside pressure wheel having a plurality of teeth. A backstop surface of the teeth contact an inside edge of the base portion between adjacent tangs to support the base portion as the strip is bent by the outside pressure member. A winding arbor receives the bent strip to collect multiple turns of the bent strip to form the helical stator. | 12-17-2009 |
| 20100050724 | Metallic Strip and Methods and Structures Incorporating the Same - A method of forming a flexible conduit including: providing an elongated flexible metallic strip having a central portion disposed between a first and a second end portion, wherein at least a portion of the central portion includes a cross-sectional thickness T | 03-04-2010 |
| 20110016940 | DEVICE AND PROCESS FOR FORMING ROLLED BAR BUNDLES | 01-27-2011 |
| 20110067471 | Method and Apparatus for Creating Formed Elements Used to Make Wound Stents - A method for forming a wave form for a stent includes providing a length of a formable material from a supply of the formable material in a feeder along an axis in a first direction in between a first forming member and a second forming member. The second forming member is positioned closer to the feeder than the first forming member. The length is about the length of a substantially straight portion of the wave form. The method also includes moving the first forming member in a second direction substantially perpendicular to the first direction to a position in contact with the formable material, and moving the second forming member in a third direction substantially opposite the second direction to wrap the formable material about a distal end of the first forming member. | 03-24-2011 |
| 20130081437 | MANUFACTURING LAYING HEAD PIPE PATH BELOW TRANSFORMATION TEMPERATURE - A rolling mill coil-forming laying head system elongated hollow pathway Or pipe structure defining an inner surface for transport of elongated materials is formed by the process of bending the pathway structure at near constant temperature, such as at near ambient temperature, preferably without application of external heat. In some embodiments, the method utilizes an automated bending machine, preferably under computer numerical control (CNC) that executes stored bending constructions to conform the pathway structure to a desired profile. The bending instructions may be modified so that the actual bending profile conforms to a desired profile. In this manner subsequent path structures may be formed, that have uniform physical properties. | 04-04-2013 |
| 20130133391 | COIL-SPRING MANUFACTURING APPARATUS - A coil wire material is bent by a first roll, a second roll, and a third roll. The bent coil wire material is pressed in a screwing direction, to shape a coil spring having a desired diameter and a pitch. A desired pitch can he accurately formed in a manner that a second roll provided on a downstream side of a conveying direction of the coil wire material is configured to be able to move hack and forth along the screwing direction of the coil spring and to be tiltable about an axis of rotation parallel to the conveying direction of the coil wire material. | 05-30-2013 |
| 20150075244 | WIRE FORMING APPARATUS - A wire forming apparatus which feeds out a wire to a formation space at a distal end of a wire guide ( | 03-19-2015 |
| 072137000 | With deforming of work or product (other than by coiler) | 7 |
| 20080282759 | Apparatus and Method for the Manufacture of a Spring Unit - Apparatus and methods for use in the manufacture of a spring unit for incorporation into an upholstered article, for example, a mattress, cushion or the like. Coil formation apparatus includes a drive shaft used to control movement of a coil pitch guide member and a link member comprising a connecting rod connected to a radius arm of the drive shaft by means of an adjustable connection. A coil interlinking process comprises compressing a first coil to define a clearance extending a second coil passed the first coil via the clearance, allowing the first coil to extend across the clearance, and contracting the second coil such that the second coil engages the first coil thereby interlinking the first and second coils. Spring unit manufacturing apparatus comprises a plurality of jaw pairs each comprising a first fixed jaw and a pivotal second jaw, the pivotal second jaw being pivoted by a cam and linkage assembly that is operated by a rotary drive shaft. | 11-20-2008 |
| 20080289389 | WIRE-FORMING APPARATUS - A forming device includes an input including wire in an unformed state. The forming device has a forming station configured to receive the wire, the forming station comprising a plurality of forms, each independently movable toward and away from the wire such that the forms collectively bend the wire into a formed state that is periodic and defines a wavelength. The plurality of forms bends less than a single wavelength of wire from a unformed state to a formed state at one time | 11-27-2008 |
| 20080314110 | Spring manufacturing apparatus - A spring manufacturing apparatus includes a supporting body which moves in X, Y, and Z-axes directions of a XYZ orthogonal coordinate system representing a moving direction of a wire rod fed from a wire rod feeding unit as a Z-axis. The supporting body is formed with an opening in which the quill is arranged. The supporting body further includes a tool holder for holding a processing tool for processing the wire rod to a spring. The supporting body arranged at the vicinity of the quill is moved to accurately adjust the relative position of the quill and the processing tool, thereby manufacturing a desired spring. | 12-25-2008 |
| 20090007619 | WIRE-FORMING MACHINE - A wire-forming machine, comprising a machine frame, a wire feeder and a wire guide for transporting wire to a working area of the machine where the wire is processed by one or more tools. The tools are affixed on a tool plate on the machine frame and around a recess formed in the plate. A wire is fed through the recess to the working area of the machine. The tool plate is fitted on a second plate and is displaceable along a first direction (x) relative to the second plate, while the second plate is displaceable along a second direction (y) relative to the machine plate. Both directions (x, y) have an inclination of 45° each to the vertical normal axis of the wire-forming machine and are perpendicular to each other. | 01-08-2009 |
| 20090133459 | CABLE HANGER PRODUCTION SYSTEM AND PRODUCTION METHOD - There is produced a cable hanger which can alternately and continuously form a Z-winding spiral and an S-winding spiral using a hanger wire. A hanger wire is supplied from one end of a housing and sent out from the other end thereof. A plurality of spiral forming dice are accommodated in a cylindrical space in the housing such that the spiral forming dice are adjacent to each other and can rotate independently from each other. Each spiral forming die includes a bottom face forming a shape corresponding to a curvature of a spiral on a plane intersecting with an axis at right angles between an inner peripheral face of the housing and the bottom face, a Z-winding wall face forming a shape corresponding to a pitch of the Z-winding spiral inclined with respect to the plane, and an S-winding wall face forming a shape corresponding to a pitch of the S-winding spiral. The Z-winding wall face and the S-winding wall face intersect with each other at a central portion of the spiral forming die in its longitudinal direction. A region sandwiched between the Z-winding wall face and the S-winding wall face is constituted by the bottom face in front of and behind the intersection. | 05-28-2009 |
| 20100147045 | FLEXIBLE DRILL SHAFT - A method of making a flexible drill shaft. The method comprising: winding wire to form a helical coil spring, applying a mechanical deformation to the wire as it is being wound and using the helical coil spring to form a flexible drill shaft. The mechanical deformation applied results in the wire after being wound having a cross section such that when an axial load is applied to the drill shaft there is planar contact between adjacent coils of the spring. | 06-17-2010 |
| 20150040633 | SYSTEMS AND METHODS FOR FORMING A PIPE CARCASS USING MULTIPLE STRIPS OF MATERIAL - The present embodiments are directed to systems and methods for forming a pipe carcass. In one embodiment, a first series of forming rollers are configured for forming a primary carcass strip material. A second series of forming rollers are configured for forming a second strip material into a shape different than the primary carcass strip material. The primary carcass strip material and the second strip material, after being fed through the first and second series of rollers, respectively, are each fed concurrently into a plurality of winding rolls for assembly with one another. | 02-12-2015 |
| 072138000 | By use of means acting by and during machine operation to form coil of irregular pitch and/or diameter | 4 |
| 20080245122 | Method and System of Production of Springs From Wire of Circular or Other Cross-Sectional Area - Method of production of springs made of wire of circular or other type crossectional area, that are produced after having formed first springs ( | 10-09-2008 |
| 20080257003 | Apparatus for the Production of Wire Springs - Apparatus for producing wire springs comprising: a first working station ( | 10-23-2008 |
| 20130036783 | SYSTEM FOR ADJUSTING LOAD CHARACTERISTICS OF CONICAL SPRING - A load characteristic adjustment system for use with a linear-spring forming apparatus is provided, in which the load characteristic of a conic spring can be conveniently and efficiently regulated during the formation of the spring, thereby reliving much of a physical burden of a worker to find an optimum load characteristic of a coil spring. The load characteristics adjustment system comprises: a linear material feeder for feeding a linear material; at least one spring forming tool facing the linear material feeder, adapted to abut against the linear material to coil the linear material; spiraling means for spiraling the coiled linear material; and coil-diameter varying means for varying the diameter of the coiled linear material. The load characteristic adjustment system controls the linear material feeder so as to feed the linear material at a regulated constant acceleration to adjust the load characteristic of the conical spring formed. | 02-14-2013 |
| 072139000 | Including non-cylindrical core | 1 |
| 20140311204 | SPRING WINDING MACHINE WITH AN ADJUSTABLE CUTTING DEVICE - A spring winding machine that manufactures helical springs by spring winding includes a feed device that feeds wire to a shaping device, wherein the shaping device has a winding tool and a pitch die; a cutting device that separates a finished helical spring from the wire after termination of shaping, wherein the cutting device has a cutting tool which, by a drive system, can be moved along a predefinable closed trajectory; a control device that controls the feed device, the shaping device and the cutting device on the basis of an NC control program; and a programmable trajectory-setting system that sets the shape and/or position of the trajectory to be passed through by the cutting tool, wherein a trajectory which is mirror-symmetrical with respect to a plane of symmetry and has a predefinable ratio of height to width. | 10-23-2014 |
| 072142000 | By work-guide and rotatable, work-holding core | 4 |
| 20110271730 | APPARATUS FOR AND METHOD OF MANUFACTURING A HELICALLY WOUND TUBULAR STRUCTURE - A winding apparatus for and method of manufacturing helically wound structures ( | 11-10-2011 |
| 20150302988 | RECTANGULAR WIRE EDGEWISE-BENDING PROCESSING DEVICE AND RECTANGULAR WIRE EDGEWISE-BENDING PROCESSING METHOD - Provided is a rectangular wire edgewise-bending processing device for performing an edgewise-bending process for a rectangular wire to form a coil, the rectangular wire edgewise-bending processing device including a fixing unit for fixing the rectangular wire, a pressing tool for pressing a surface formed by a long side of a rectangular cross section of the rectangular wire, and a bending tool for bending the rectangular wire into a predetermined coil shape, wherein the edgewise-bending process is performed while the surface formed by the long side of the rectangular cross section of the rectangular wire is pressed. | 10-22-2015 |
| 20160082493 | METHOD AND APPRARATUS FOR FORMING A HELICAL TUBE BUNDLE - Apparatus and method for forming a plurality of elongate members into a helical bundle in which a pair of bending die assemblies are mounted on a moveable carriage, the moveable carriage itself being supported by a frame. The bending dies each have a plurality of grooved rollers that engage the sides of the tubes to apply a bending force while allowing the tubes to move longitudinally through the die assemblies. The die assemblies can be rotated independent of each other or in unison by means of stepper motors. A collet, attached to the frame, holds the ends of the tubes during the bending operation. | 03-24-2016 |
| 072144000 | And means to traverse work-guide | 1 |
| 20080302157 | Method and Device For Producing Bent Spring Elements - The invention is based on a method of producing bent spring elements from a spring steel strip ( | 12-11-2008 |
| 072145000 | By movable-periphery tool external of coil | 1 |
| 20110209514 | METHOD AND EQUIPMENT FOR MAKING A SPRING - A method for making a variable pitch spring ( | 09-01-2011 |
