Abstract: A process is provided for making bulk textured material sheeting. As a continuous supply of flat material sheeting is fed, the sheeting is repeatedly impacted with toothed knives, each knife creating a row of raised and generally pointed structures on the sheeting to texture the sheeting.

Abstract: Laminated gasket free from liquid drug leakage. Gasket (13) to be used for a medical syringe includes main body (14) made of an elastic material and film (15) on a surface of main body (14). Gasket (13) has a circumferential surface portion (17) that can contact an inner peripheral surface of syringe barrel (11) of the syringe, and has an annular groove (22) formed circumferentially in a surface portion of the film present in the circumferential surface portion thereof. Annular groove (22) has outer edge portions (24) provided along opposite edges (23) thereof as projecting from an unprocessed surface portion of the film. Annular groove (22) has groove formation start points and end points that are connected to each other in a groove connection region. Outer edge portions (24) along the opposite edges of the annular groove have a maximum-to-minimum height difference of ?5 ?m in the groove connection region.

Abstract: The invention refers to a can lid for an aluminum beverage can. The can lid has a pull tab, a chuck wall defining a plug diameter, a countersink and central panel having a panel radius. On the central panel, a score line defining a tear panel and a rivet for connecting a pull tab to the can lid are arranged. The rivet extends through a rivet island that is arranged between an opening part of the pull tab and a handle part of the pull tab. The lid has lid plug diameter of between 45 to 49 mm, an outside diameter of between 52 to 55 mm and a weight of less than 1.9 grams. The central panel has a thickness of less than 0.19 mm. The score line defines an area of between 300 mm2 to 350 mm2 and the score line has a shortest distance from the panel radius of less than 3 mm.

Abstract: The disclosure relates to systems and methods for machine-cutting workpieces in plate form or bar form and also to a machine tool, with a laser machining device, and a workpiece support, by which a workpiece to be machined in the laser machining device is received, and with a workpiece moving device, by which the workpiece to be machined is held and moved in relation to the laser machining device, wherein with a machining head a laser beam is directed onto the workpiece to be machined and a clearance or recess is introduced into the workpiece and the clearance is machined with a flow drill and widened to a final size of a borehole.

Abstract: A processing method and a processing apparatus for a metal housing are provided. The method includes: sleeving a metal flat pipe having an end face provided with a curved surface portion on a lower mold; and pressing the curved surface portion by the cooperation between an upper mold and the lower mold, thereby forming a chamfered slanted surface on the curved surface portion. The processing processes and the apparatus involved are simple, the quality of the products is improved, and thus the method may be suitable for mass production.

Abstract: An exemplary die assembly includes a die member, a blankholder, and a collapsible spacer moveable back-and-forth between an extended position and a collapsed position. The collapsible spacer establishing a first gap between the die member and the blankholder in the extended position. The collapsible spacer establishing a second, smaller gap between the die member and blankholder in the collapsed position. An exemplary forming method includes maintaining a distance between a die member and a blankholder with a collapsible spacer when forming a workpiece into a desired shape, and collapsing the collapsible spacer to permit the die member and the blankholder to move closer together.

Abstract: A back plate for a brake pad of a disc brake assembly is provided. The back plate comprises a plate body provided with a pair of opposite surfaces and lateral flanks. An engaging portion is defined on a first one of the surfaces, delimited by a corresponding perimeter, and adapted to receive a friction material. The engaging portion is provided with at least a first series of rectilinear parallel rows of retaining elements for the friction material. Each row comprises a plurality of grooves associated to corresponding protrusions. The protrusions are provided with a proximal end integrally connected to the material of the plate body and a free distal end. For each row of the at least first series of rows, a distance measured along the axis of each row between the mutually adjacent retaining elements closest to the perimeter of the engaging portion and the perimeter is constant.

Abstract: Methods for making an airbag mounting bracket for use with an attachment component of an associated airbag cushion are provided. An opening in a mounting bracket precursor formed of a bracket precursor material is extruded. A rounded surface of the bracket precursor material adjacent the extruded opening is formed. The mounting bracket precursor with the rounded surface is subsequently finalized to form the airbag cushion mounting bracket, wherein the extruded opening provides an airbag attachment engagement opening for passage of the attachment component and the rounded surface provides a load bearing surface of increased area for the attachment component. Also provided are corresponding or associated airbag mounting brackets.

Abstract: An apparatus is provided for texturing the surface of a brake plate has three die plates and spring supports therebetween. A toothed tooling mounts to the top die plate above an anvil on the center die plate both of which ride on posts held by the lower die plate. The toothed tooling comprises multiple blades each with multiple replaceable toothed inserts are held in a cartridge arrangement. The anvil receives brake plates from a separately supported plate feed mechanism with greatly reduced reciprocating mass. The complete die set can be set up on the bench and inserted ready to use in any style of press where the press ram contacts the upper die plate.

Abstract: According to one aspect, a fire extinguisher includes a fire extinguisher reservoir and a fire extinguisher outlet burst disc that forms a discharge barrier between the fire extinguisher reservoir and a discharge head to retain a pressurized fire extinguishing agent at an internal fire extinguisher pressure within the fire extinguisher reservoir. A cutter is detained within the fire extinguisher proximate the fire extinguisher outlet burst disc. An interior container within the fire extinguisher reservoir has a container pressure and is sealed with a container burst disc. An activation device having a piercing member is operable to pierce the container burst disc and diffuse the container pressure to create a pressure differential relative to the internal fire extinguisher pressure at the cutter, thereby driving the cutter through the fire extinguisher outlet burst disc to release the pressurized fire extinguishing agent through the discharge head.

Abstract: A method for producing stamped components in two method steps such that, during the first method step, a workpiece (1) is stamped out or precision-cut and then transported between the first and the second method step. The second method step comprises simultaneously corrugating and deburring the workpiece (1?). The method is carried out using a two-stage tool.

Abstract: An orifice plate for liquid injection made of plate-shaped stainless steel, wherein an orifice is formed by shearing, is characterized in that the average crystal grain size of the stainless steel is 3 ?m or less. The thickness of the plate-shaped stainless steel is 1.2 mm or less, and preferably 0.1 mm or less. The aspect ratio of the orifices is 0.8 or lower. The orifices are formed orthogonal to the plate surface, or slanted by 50° or at smaller angles. The plate-shaped stainless steel has a composition containing C, Mn, and Si.

Abstract: The invention being designed in this application relates to a radial drilling method. Boreholes are placed into oil and gas formations to provide openings for the removal of the product. Oil and gas wells extend to different depths and downhole well conditions. The radial system has been designed to accommodate the well conditions and to jet or drill different oil and gas formation. The radial system provides a mill/bit which is rotated from a downhole motor or a surface swivel. The mill ports, the steel casing, and the bit extend outward into the formation forming a borehole to a predetermined length. The borehole is provided without an entrance radius into the formation. Several radial holes can be provided considering a one trip event.

Abstract: The present application provides a hole reducing tool. The hole reducing tool includes a punch with a conical tip and a pilot and a slide hammer assembly attached to the punch.

Abstract: A forging die and tooling stack consist of a top and bottom die set positioned on a pusher plate in a die holder. Prior art die and tooling stack designs with rectangular axial cross sections concentrated loading toward the radial center of the stack. By contouring the top surface of the pusher plate and the bottom surface of the die holder, loading at the bottom of the stack can be redistributed to reduce non-uniform loading of components beneath the stack in the load train.

Abstract: Methods of forming a heat exchanger from a metal body made from a material having a melting temperature greater than 660° C. with the metal body having opposing first and second surfaces and at least one fluid passageway formed in the metal body so that fluid may be passed through the fluid passageway and heat from the fluid may be dissipated through a plurality of fins.

Abstract: Chamfer cutting devices are described. The chamfer cutting devices include a mounting bracket, an electromagnet rigidly attached to the mounting bracket, a hold/release arm magnetically coupled to the electromagnet, a chamfer former rigidly attached to the hold/release arm, wherein the chamfer cutter comprises two bending beams, each terminating in a chamfer point, and a blade rigidly connected to the mounting bracket and positioned between the chamfer points. Dispensers incorporating such chamfer cutting devices and methods of chamfer cutting are also described.

Abstract: A die for forming a press-formed component includes a piercing die, a piercing punch, and a support. The piercing die includes a tubular first forming portion for forming a boss portion and a second forming portion having a cutting edge and an inwardly extending portion. The second forming portion is adapted to perform pressing of a preform while cutting a portion thereof. A cutting edge which cooperates with the cutting edge of the second forming portion is formed at a distal end of the piercing punch. When forming a press-formed component, a projection end portion of a preform formed from a blank by drawing is cut and removed by the two cutting edges, and a preform boss portion is then pressed and swaged by the inwardly extending portion.

Abstract: A closing device, particularly for closing channels conducting pressure medium in a valve receiving body, has a rotationally symmetrical closing element (6) that is fastened in a seating bore (1) of a housing (14), having a calking site (2) that is provided on the circumference of the closing element (6) and that permanently fixes the closing element (6) in the housing (14) as a result of the plastic displacement of housing material. The seating bore (1) includes a transition area in the form of a bore step (4) between the calking site (2) and a centering cone surface (3). The bore step is recessed into the seating bore (1) by the plastic displacement of the housing material in the form of a bulge surrounding the closing element (6).

Abstract: A punch including a shearing edge formed on an outer periphery of the punch, a cutting edge formed on the distal end of the punch and at least two ramp surfaces provided between the shearing and cutting edges. Each of the ramp surfaces extend at an angle from the distal end to a recessed portion of the shearing edge. The shearing edge, cutting edge and ramp surfaces cooperate to partially form a hole in a part and retain a slug in the hole. A method of forming a hole and a slug control system for a hydro-piercing operation is disclosed.

Abstract: A floor support for a grain bin floor made from a sheet of galvanized steel having a top surface, a bottom surface and flat ends. The floor support has a plurality of flanges and notches disposed within the top surface and a plurality of openings disposed through the sheet of galvanized steel. Positioned between each opening is a first bend. Positioned on either side of selected first bends is a second bend thereby forming a z-shaped floor support.

Abstract: An apparatus to produce a self-piercing and clinch nut includes a first forging die assembly, a second forging die assembly, a third forging die assembly, a transfer mechanism, and a controller. The first forging die assembly is configured to subject a blank to first processing. The second forging die assembly is adjacent to the first forging die assembly and configured to subject the blank to second processing after the blank has undergone the first processing in the first forging die assembly. The third forging die assembly is adjacent to the second forging die assembly and configured to subject the blank to third processing after the blank has undergone the second processing in the second forging die assembly. The controller is configured to control the first forging die assembly, the second forging die assembly, the third forging die assembly, and the transfer mechanism to operate.

Abstract: A clevis including: bridge portion; a neck portion extending from the bridge portion in a first axial direction; a threaded opening passing through the bridge and neck portions through which a longitudinal axis passes; and first and second folded sidewalls extending from the bridge portion in a second axial direction, opposite the first axial direction. The first side wall includes: a first portion at a first distance, in a radial direction orthogonal to the longitudinal axis, from the longitudinal axis; and a second portion at a second distance, in the radial direction, less than the first distance, from the longitudinal axis and including at least one hole. The second side wall includes: a third portion at the first distance, in the radial direction, from the longitudinal axis; and a fourth portion at the second distance, in the radial direction, from the longitudinal axis and including at least one hole.

Abstract: A pipe processing tool that is configured to deform the end of a pipe so that the circumferential shape of the end of the pipe generally matches the circumferential shape of an adjacent pipe end. Matching the circumferential shapes of the pipe ends is advantageous during a pipe attachment process. The pipe processing tool can include a deformation ring with a plurality of pipe deformation members. Each pipe deformation member faces radially inward and is actuatable in a radial direction toward and away from the center of the deformation ring in order to permit engagement with the pipe. Each pipe deformation member is individually and separately actuatable from the other pipe deformation members so that the circumferential shapes of the pipes can be altered by controlling suitable ones of the pipe deformation members.

Abstract: A metal sheet member for insert molding with a plastic member is disclosed having a plurality of bonding portions arranged on the top wall thereof for enhancing the bonding strength of the plastic member to the metal sheet member, each bonding portion including a groove located on the top wall of the metal sheet member and a lug formed of a part of the metal sheet member and obliquely upwardly curved from one end of the groove.

Abstract: A processing device is provided which feeds a long plate body from an upstream side to a downstream side and sequentially carries out a press work including a blanking work to the long plate body. The processing device includes a plurality of stages provided along a feed direction of the long plate body, which has a die that applies the press work to the long plate body and a plurality of lifters provided along the feed direction of the long plate body which have lift-up parts that lift up the long plate body from the die. In the plurality of lifters, clearances by the lift-up parts of the lifters arranged in the downstream side are set to be larger than the clearances by the lift-up parts of the lifters arranged in the upstream side.

Abstract: A method of making micro-holes on a metal plate includes: (A) feeding a metal plate on a workbench forward to extend beyond a shearing edge; (B) locating a punching head at a first position, and keeping a working space between the punching head and the workbench; (C) exerting a shearing force towards the workbench by the punching head; (D) bending the metal plate by the shearing force, and forming a plurality of spot-shaped cavities arranged in a row on a second surface; (E) bearing a shearing force on the first surface of the metal plate to form a linear groove; (F) deforming the metal plate by the shearing force to cause the spot-shaped cavities arranged in a row to communicate with the linear groove to form micro-holes; (G) the punching head returning to the first position and moving a working distance to a second position; (H) feeding the metal plate again; (I) the punching head repeating the above steps at the second position; (J) the punching head returning to the second position and then moving back to

Abstract: There is provided a through-hole manufacturing method for a cylindrical body wall that enables the operation of forming a through-hole without leaving a machining burr on the wall of a cylindrical member to be easily and reliably carried out without depending on experts.

Abstract: A clevis including a bridge portion, a cylindrically shaped neck formed from the bridge, and folded side walls extending from the bridge portion in a first direction. One side wall includes a first hole and a first surface parallel to a longitudinal axis. The other side wall includes a second hole and a second surface facing the first surface. The clevis includes a threaded opening, in the bridge and neck, aligned with the axis and a space formed by the bridge and side walls. The neck is formed from the bridge portion in the first direction or is formed from the bridge portion in a third direction, opposite the first direction. The material includes one only single piece of low carbon steel. The first and second surfaces are parallel to the longitudinal axis.

Abstract: The invention relates to a structured material web, particularly a metal web, having a multi-dimensional structure comprising beads or creases and structures disposed next to each other and each formed by a surface section enclosed by the beads or the creases, wherein each of the structures has a dedicated location with a hole, and the surface section in every other location of the structure is formed by an incline toward the dedicated location.

Abstract: A method of forming a tenon on one side of a metal plate member by means of punching the wall of one side of the metal plate member with a punch or punches to form a protrusion and then punching the protrusion with a punch rod to extend the height of the protrusion and to deform the protrusion into a tubular configuration.

Abstract: Apparatus and method for cutting HVAC round duct and spiral duct and all attendant-attaching structures comprising a computer controlled machine able to cut round and spiral HVAC ducts and also the ability to send attendant-attaching structures that are then cut on a flat X and Y cutting machine.

Abstract: A burring apparatus is provided, including a burring die having a top surface for a workpiece to be placed on, the burring die configured to be cylindrically symmetric with a burring hole formed concentrically therein to provide an inner surface, a burring punch having a tip end portion for punching the workpiece to cut off a metal piece and a tip portion for pressing a remaining portion of the workpiece warped in the burring hole to form a boss, and a scrap removing unit attached to the inner surface of the burring die, wherein the burring punch, the burring die and the scrap removing unit are configured to trap, push out and let fall by scraping off the metal piece as the burring punch is lowered into the burring hole and lifted.

Abstract: A piercing method using a hot-press includes: a piercing process of piercing a workpiece with a piercing edge; a concave portion forming process of forming a concave portions around a hole formed in the workpiece by the piercing process to enlarge a diameter of the hole; and a cooling process of cooling the workpiece.

Abstract: A punch for use in molding a workpiece with lubricating oil interposed between the punch and the workpiece includes a straight portion and a diameter-increasing portion. The straight portion includes an end face and a side face. The straight portion extends in an axial direction. The end surface extends in a radial direction perpendicular to the axial direction. The side surface is connected to the end surface. The diameter-increasing portion is connected to the straight portion. The diameter-increasing portion includes a width in the radial direction, which is identical to that of the straight portion, at a junction between the straight portion and the diameter-increasing portion. The width of the diameter-increasing portion in the radial direction increases with distance from the straight portion. At least one of the end surface and the side surface of the straight portion is formed with a pit.

Abstract: This disclosure provides a tool or an apparatus that can be held and operated with one hand to attach a corner bead to an outside corner of drywall. In one example, the tool includes a frame, a pair of contact surfaces rigidly coupled to the frame, a handle pivotally attached to the frame, a pair of stapler units rigidly coupled to the frame, and a linkage mechanism comprising a pair of transmission arms and mechanically coupling the handle to the stapler units for translating a force displacing the handle from a first position into a controlled motion of the transmission arms, thereby triggering the stapler units to release fastening pieces.

Abstract: An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece.

Abstract: A protrusion forming device includes a holding portion holding an object that is be processed, a tool bit having a cutting portion capable of cutting an object held by a holding portion, and a drive portion capable of driving the tool bit. The tool bit is movable along a cut-in pathway so that the cutting portion is inserted into the object. The cutting portion is movable along a further-cut pathway so as to form a protrusion part that is cut in a linear shape and is connected to the object. The tool bit continuously contacts the protrusion part while moving along a forming pathway such that the protrusion part extends perpendicular to an outer surface of the object.

Abstract: A bipolar plate having a surface structure for a flow field, inner forms such as holes and slots in the plate, and a reference geometry on the outer form thereof is produced by means of a hydraulic fine-blanking press having an at least three-stage progressive die, in the first stage of which a blank is cut partially free from a metal-foil strip, subsequently in a second stage the surface structure is formed in the connected blank via compression-forming using a forming force of at least 2500 to 3500 kN, the inner form, the slots and the reference geometry are formed by way of cutting in, and on, the blank and then, in a third stage, cutting of the outer contour and removal of the finished blank in the form of the bipolar plate are carried out successively in the stroke cycle.

Abstract: A tool that can be held and operated with one hand to attach a corner bead to an outside corner of drywall includes a substantially V-shaped member having a pair of interior surfaces disposed at an angle of less than 100° and a frame or handle attached thereto. The handle may be sized and shaped to fit comfortably in the palm of a human hand. A pair of opposed pincers having pointed tips are pivotally mounted relative to the V-shaped member so as to allow the tips to move in a converging direction. A mechanical linkage system translates force applied to the handle into a converging motion of the pincers.

Abstract: A two-dimensional sheet material is provided that is suitable for bending along a bend line to form a three-dimensional object. The sheet material is provided with a plurality of displacements in a thickness direction of the sheet material on one side of the bend line. A portion of the displacements shear adjacent the bend line and define an edge and an opposed face. The edge and opposed face configured to produce edge-to-face engagement of the sheet material during bending. Alternatively, sheet material is provided with a plurality of displacements in a thickness direction of the sheet material on one or both sides of the bend line, and with a plurality of corresponding and cooperating protrusions to improve structural integrity and/or to improve electromagnetic and radio frequency shielding. The sheet material may also be provided with a self-latching structure. A method of preparing and using these sheet materials is also described.

Abstract: A method of forming a plurality of protrusions on the inner surface of a tube to reduce tube side resistance and improve overall heat transfer performance. The method includes cutting through ridges on the inner surface of the tube to create ridge layers and lifting the ridge layers to form the protrusions. In this way, the protrusions are formed without removal of metal from the inner surface of the tube, thereby eliminating debris which can damage the equipment in which the tubes are used.

Abstract: A trimming press working apparatus 1 includes a trimming means 6 for cutting a plate material 2 along a trimming line 5 which divides a product portion 3 from a non-product portion 4 in the plate material 2; a scrap cutting means 9 for cutting the non-product portion 4 along scrap severing lines 7 each intersecting the trimming line 5 to make the non-product portion 4 into a plurality of scrap pieces 8; and a pad 10 for pressurizing and restraining the product portion 3 of the plate material 2.

Abstract: A dent removal tool for removing dents from automobile panels is provided. The tool includes a body with a handle on one end and a rest plate for contacting the body panel on the opposite end. A clamp for gripping one or more studs which have been welded to the body panel is located between the handle and the rest plate. The tool gives an automobile repair technician a high degree of mechanical advantage and control in removing dents from body panels.

Abstract: A metal shell machining apparatus includes a cutting tool and a pressing tool. The cutting tool has a main body, at least two blade bodies, at least two enlargement portions, and at least two blade heads. The main body is a hollow cylinder, the blade bodies are formed by extending downwards from lower end of the main body, and there are at least two intervals between the blade bodies. The enlargement portions are formed by extending downwards and outwards from lower ends of the blade bodies, the blade heads are formed by extending downwards and inwards from lower ends of the enlargement portions. The pressing tool is a hollow cylinder and encircles a periphery of the cutting tool. The lower end of the pressing tool abuts the enlargement portions of the cutting tool. The apparatus can easily form oblique grooves on a metal plate, reducing manufacture cost.

Abstract: A tool adapted to form and method of forming a tapped hole within a workpiece in a single pass, includes a piercing section operable to punch a pilot hole in and produce a slug attached to the workpiece, and a tapping section operable to form a female thread along the periphery of the hole, and more preferably, an extruding section operable to push workpiece material away from the exterior surface defined thereby, an expanding section operable to expand the diameter of the hole, a sealing section operable to seal the hole during a hydroforming process, and a burnishing section operable to further expand and treat the periphery of the hole prior to tapping.

Abstract: A novel multipart punch and system allows apertures to be formed in hydroformed members with the slug which would otherwise result being divided into two or more smaller slugs. These smaller slugs can be folded back into the hydroformed member and held captive therein or removed if desired. The multipart punch and system provides a flush surface in the hydroforming mold when the punch is in its initial position to allow easy loading and unloading of the mold and to allow additional blank to be fed into the mold during the hydroforming operation, if desired. Also, the hydraulic ram used with the multipart punch need develop less force than an equivalent prior art stepped punch.

Abstract: A method for fabricating wings of bicycle pedals includes, first, stamping a plate to form a preformed body which includes an opening and a body with a preset working surface. The working surface has a preset force receiving zone. The body has a first expanded portion and a second expanded portion and two arched portions bridging two sides of the first and second expanded portions; then applying a punching force to the force receiving zone to bend the first expanded portion, second expanded portion and arched portions to become a product; finally performing a bending process and a hole forming process on the product to obtain the wings.

Abstract: This invention relates to a fabricated vehicle wheel and method for producing the same. The wheel includes a rim and a disc secured to the rim. The disc includes a plurality of outwardly extending spokes, an outer rim connecting flange defining a side edge surface and a window formed therein between adjacent pairs of spokes and having a predetermined shape defined by the adjacent pairs of spokes and the side edge surface of the rim connecting flange such that each of the windows extends to an outermost periphery of the wheel disc, at least one of the windows includes at least a first window portion and a second window portion, the first window portion being formed by a first piercing operation and the second window portion being formed by a second piercing operation.

Abstract: An insert cutting apparatus useable in a production line for producing tubes from shaped sheet-metal strips includes an upper die having a first row of punches, and a lower die having a second row of punches. The first and second rows of punches can form predetermined breaking points in at least one of the shaped sheet-metal strips, and the first and second rows of punches can alternate, so that two punches of the first row of punches have a punch of the second row of punches therebetween.