Abstract: A self-drilling expanding anchor bolt, including a drill bit for drilling, an anchor rod connected to the drill bit, and an expanding sleeve surrounding the anchor rod, the anchor rod having an expansion cone at a first end adjoining the drill bit, having a neck region behind and contiguous with the expansion cone, and having a threaded segment at a second end of the neck region remote from the drill bit, wherein the expansion cone expands the expanding sleeve in a radial direction when the expansion cone is pulled into the expanding sleeve; a transition part is provided between the drill bit and the expansion cone of the anchor rod, the maximum diameter of the transition part being smaller than the hole diameter of a drilled hole formed by the drill bit.

Abstract: A method of manufacturing a member for fastening by joining a nut with a tubular joint portion extending from a main body formed with an internal thread to a panel with a mounting hole for the nut on an aluminum base material. The joint portion has a rotation-preventing portion with a concave and convex shaped outer peripheral surface and a guide portion extending from the rotation-preventing portion to one side. After the guide portion is inserted into the mounting hole, the nut is energized by electrodes in contact with both nut end surface sides. The nut then generates heat, and the periphery of the mounting hole is heated and softened. When the nut is pressurized with the electrodes, the rotation-preventing portion bites into the mounting hole, and the one end portion of the guide portion is swaged to become a retaining portion on one surface side of the panel.

Abstract: A tape-free packing box, which can be in an open state or a closed state, the tape-free packing box comprises a box body; two tongue plates, respectively arranged on the opposite sides of the open ends of the box body; a connecting element, one end of the connecting element is integrally formed or slidably installed on one of the two tongue plates, when the tape-free packing box is in a closed state, the other end of the connecting element is connected to the other of the two tongue plates.

Abstract: A fixing structure for a rotor blade of an embodiment includes: a fixing groove penetrating blade implantation portions and a rotor wheel in a circumferential direction; a locking blade lastly fitted into a blade groove; and a latch member inserted from an axial direction into the fixing groove formed in the blade implantation portion of the locking blade and the rotor wheel forming the blade groove into which the blade implantation portion of the locking blade is fitted. The latch member includes: an inner peripheral latch disposed on a radially inner side; an outer peripheral latch disposed on a radially outer side; a center latch fitted between the inner peripheral latch and the outer peripheral latch, and a bent portion provided at an end portion on a downstream side in the axial direction of the inner peripheral latch, the bent portion being bent to fix the locking blade.

Abstract: A self-punching functional element serves for fastening to a workpiece, in particular to a high-strength sheet metal part, and comprises a functional section; and a fastening section that has a contact surface for an engagement of a setting device, an end face remote from the contact surface, and an outer peripheral surface connecting the contact surface and the end face. The end face is radially outwardly bounded by a punching edge for punching a slug out of the workpiece, and at least one projection is provided at the outer peripheral surface adjacent to the contact surface, said projection rising from the outer peripheral surface in a radial direction and extending further outwardly in the radial direction than the punching edge.

Abstract: A compact automobile start switch with antenna including a button, a push switch assembly and an antenna assembly module is disclosed. The antenna assembly module is provided with an accommodating cavity in which the push switch assembly is arranged. The antenna assembly module includes an antenna module body, an antenna coil and a connector terminal. The antenna module body is provided with a winding area in which the antenna coil is arranged and a connector matching portion in which the antenna connector terminal is arranged. The antenna connector terminal comprises a connecting section, a fixing section and a terminal welding section and the antenna coil is directly connected with the terminal welding portion by a wire. The antenna coil is directly connected to the antenna connector terminal through the wire outside the antenna module body. The process of connecting the antenna module to the circuit of the PCBA is eliminated.

Abstract: A drain control assembly having a pop-up stopper controlled by a cam actuating mechanism allowing the stopper to alternately seal and unseat from the drain opening by pressing down on the stopper. Actuator guide rings extending from vertical fins and tabs are used to align and removably secure the actuator in position within the drain pipe. The stopper seal seats against the sink housing the drain providing a water tight seal. The assembly has a removable catch screen to retain items fallen into the drain. The stopper and actuator assembly can be dislodged and the entire assembly removed and items in the catch screen can be retrieved or the actuator removed for cleaning. The assembly can then be reinstalled by simply inserting it down into the drain.

Abstract: For sealing a test space in a workpiece having at least one open end face having a flat surface with one or more indentations in the workpiece, a sealing mat having a planar basic body and one or more arcuate sealing elements can be used. The sealing mat is placed onto the surface of the open workpiece end face such that the arcuate sealing elements of the sealing mat protrude into the indentations in the workpiece to then press the basic body of the sealing mat against the surface of the open workpiece end face with a pressing force in a direction perpendicular to the flat surface and press the arcuate sealing elements into the indentations with pressing forces in several directions radial to the arcuate shape of the sealing elements.

Abstract: A method of riveting comprising providing a rivet having a head and a shank depending downwardly therefrom, the shank terminating in a tip and being hollow so as to define a rivet interior, receiving an insert at least partially within the rivet interior, placing the rivet and insert on the opposite side of a workpiece from a die, driving the rivet and the insert towards the die and into the workpiece under the action of a force using a punch along a central axis, and reacting the force using the die so as to cause the rivet to flare outwardly and interlock the workpiece.

Abstract: A method is disclosed for inserting a nail into at least one component part, the nail having a nail head, a nail shank and a nail tip. The method includes (i) arranging the at least one component part, (ii) positioning the nail, and (iii) driving-in the nail. A force is applied to the nail in the direction of the component part, such that it is pressed into the at least one component part. In addition to the application of force, vibrations are coupled into the nail, and a multipart nail is used.

Abstract: In one aspect, there is provided a combination for use in readying a cutting cylinder is rotatably mounted to a frame in a box-forming production line. The cutting cylinder has a cylinder reference indicium. The combination includes a transfer member with a transfer member reference indicium thereon, a cutting member that includes a base and a cutting blade, and a connector structure that is configured to releasably mount the cutting member to the transfer member. The cutting member is movable to a selected distance along the first axis from the transfer member reference indicium. The connector structure includes a locking structure positionable in an unlocking position for separating the cutting member and the transfer member, and a locking position to lock the connector structure to the transfer member, so as to hold the cutting member at the selected distance from the transfer member reference indicium.

Abstract: This invention relates to a fixing device for holding a fastener in a hole in a structure comprising an actuating part configured to engage with said fastener in use and a plurality of arms extending from and hingedly connected to the actuating part, each arm comprising a distal portion and an anchor portion between the distal portion and the actuating part. The arms are an insertion configuration formed or formable by moving the arms from an initial configuration in which the arms are splayed to the insertion configuration in which the arms are substantially aligned so that the distal portions define an axial passage and, in use, the fastener extends through the axial passage to engage with the actuating part, and cooperation of the fastener with the actuating part moves the actuating part in an axial direction towards the distal portions to cause a part of each of the anchor portions to move in a radially outward direction with respect to the axial passage to anchor the fixing device in said hole.

Abstract: An assembly and method for constructing or modifying a portable or non-portable ice chest, refrigerator, or other cooler for temporarily installing one or more faucets and related beverage dispensing equipment for cooling and dispensing beer or other beverages such that when cooler is not being used for dispensing beer or other beverages, the one or more faucets and the related dispensing equipment can be removed to allow the cooler to be used for other cooling services.

Abstract: A striker plate includes a base having a surface for contacting a switch and a wall. At least one support projects from the wall. The at least one support supports the base in a hood inner panel. At least one locking tab extends from the wall. The at least one locking tab engages a cutout on the panel. The support is positioned with respect to the respective locking tab so that the support engage the cutouts. Upon rotation of the base, the locking tab engages the cutout locking the base in place on the hood inner panel.

Abstract: A co-layer surface-adhesive rule (SAR) that has a pre-defined cross-section profile. The co-layer surface-adhesive rule (SAR) has two or more layers, wherein at least one layer is made from flexible material and wherein at least two layers differ one from the other.

Abstract: A clasp assembly includes a pair of identical half sections configured to be coupled to one another. Each half section comprises one or more deformable features that are designed to deform during closure to create an interlocking engagement between each half section.

Abstract: A device and the method serve to set a connecting element, in particular a press-in bolt, on a workpiece. By means of a setting unit, a hole punching operation for introducing a hole and, at the same time, a hole-forming operation are carried out, in which an edge of the hole is deep-drawn using an embossing sleeve and a collar is formed. In a second stage, the connecting element is pressed in, the punching and hole-forming operation and the pressing taking place within the same axial axis without the workpiece being laterally displaced relative to the device.

Abstract: A cavity (20) provided for a die body (2) at one side thereof in an axial direction includes a cavity bottom surface (21), on which a protrusion (40) jutting toward the one side in the axial direction is formed. A tip end face (41) of the protrusion (40) is configured as a flat surface extending in a direction substantially orthogonal to the axial direction and having a predetermined width (W1) in a radial direction. The predetermined width (W1) of the tip end face (41) is set to be 10% or more of a diameter (Di1) of the cavity (20) at an open end thereof.

Abstract: A motorcycle metal handle bar assembly for receiving a length of an internally routed wire harness assembly. The motorcycle metal handle bar assembly includes a first pipe having a first open end defined by a first angled cut, wherein the first open end defines a first periphery; a second pipe having a second open end defined by a second angled cut, wherein the second open end defines a second periphery; a joint at an interface of the first open end and the second open end, wherein at least one of the first open end and the second open end is flared.

Abstract: A method for manufacturing a heat exchanger, wherein a firmly bonded connection is provided between tubes and ribs in order to form a radiator matrix, the connection provided by aligning and inserting tube ends into openings in a first and second collector in order to connect tubes to the two collectors, and a wall section of shaped tube ends is bent so that the tube ends are fixed against the collector through the wall section with interpositioning of a seal.

Abstract: A method for joining at least two components, in particular two sheet components of a vehicle body, by a flow-formed rivet sleeve is disclosed. The flow-formed rivet sleeve includes a cladding region, a first edge region, and a second edge region. A traction shaft including a base body and a head is introduced in the flow-formed rivet sleeve and the flow-formed rivet sleeve is inserted into respective through openings of the components. By a relative movement of the traction shaft to the flow-formed rivet sleeve, the flow-formed rivet sleeve is widened in the first edge region and is brought into contact with one of the components. The second edge region is bent towards the other component by a reshaping tool surrounding the traction shaft and is brought into contact with the other component.

Abstract: The invention concerns a fastener used to attach structural components that have aligned perforations with a nominal diameter (D), where the fastener comprises a minimum grip plane (Gmin) and a maximum grip plane (Gmax), and A screw (12) comprising an enlarged head and a threaded portion (22); A sleeve (30) comprising an enlarged head, a cylindrical tubular body and a tapped portion (36) that engages the threaded portion (22) of the screw, where the tapped portion (36) is adjacent to an internally smooth portion of the body (34) of the sleeve. This smooth portion has a thickness (E), a non-deformable area (A) adjacent to the head of the sleeve and a deformable area (B) adjacent the non-deformable area (A). The sleeve's deformable area (B) can be deformed into a bulb (48) intended to come into contact with a blind side (46) of the structural components.

Abstract: A cover panel for installation over foam of a vehicle seat includes a first layer with an occupant-facing surface and a foam-facing surface. The foam-facing surface is located opposite to the occupant-facing surface. The first layer is configured to cover at least a portion of the foam of the vehicle seat. The cover panel further includes a second layer bonded to the foam-facing surface of the first layer such that the second layer is obscured from view by the first layer. The cover panel also includes a tie-down connected to the second layer that projects away from the foam-facing surface, wherein the tie-down is configured to tension the first layer when the tie-down is pulled away from the foam-facing surface.

Abstract: A method of increasing the thickness of a tube which increases a thickness of an end part of a tube without a burr being formed, comprising placing a tube 21 between a die 25 and mandrel 22 in the state with a space for increasing the thickness between a small diameter part 22a of the mandrel 22 and a first end part 21a of a tube 21 and between a large diameter hole part 25C of the die 25 and a second end part 21b of the tube 21, using a first upsetting punch 23 and a second upsetting punch 24 to respectively process the first end part 21a and the second end part 21b of the tube 21, pulling out the mandrel 22 from the tube 31 in the state with the second upsetting punch 24 constraining the second end part 31b of the tube 31, and using the first upsetting punch 23 to push up the first end part 31a of the tube 31 to take out the tube 31 from the die 25.

Abstract: A method for coupling a first structure to a second structure is disclosed. The method includes providing a rivet having a shaft with a first end and a second end, a head positioned at the first end, and a cavity formed in the second end and extending along an axis of the shaft. The method also includes positioning the first structure and the second structure against each other and inserting the second end through the first structure and the second structure until the head contacts the first structure and the second end extends past the second structure. The method further includes positioning a first flat tool and a second flat tool against the head and the second end, respectively, and moving the first flat tool and the second flat tool toward each other until the second end expands radially against the second structure.

Abstract: A blind nut including an internal threaded portion, a hollow tubular portion adjacent to the internal threaded portion, and a flange with hole, formed at the end on the opposite side to the internally threaded portion. The internal threaded portion is inserted into an attaching hole of the attached-to member, a part of the tubular portion is plastically deformed to expand in diameter, and the attached-to member is held between the deformed expanded diameter portion and the flange. The internal threaded portion includes a first straight portion adjacent to the tubular portion, a first tapered portion with an outside diameter gradually decreasing from the first straight portion, a second straight portion with an outside diameter smaller than the first straight portion, a second tapered portion with an outside diameter decreasing from the first straight portion, and a third straight portion with an outside diameter smaller than the second straight portion.

Abstract: A gas supply manifold has a nozzle forming member having a plurality of gas injection nozzles, a cover member configured to be overlapped on the nozzle forming member, and a caulking-fastening portion configured to fasten the nozzle forming member and the cover member. The caulking-fastening portion is configured such that a convex portion provided for one of the nozzle forming member and the cover member penetrates a hole provided for the other member, and a tip end portion of the convex portion has an engagement portion, the engagement portion having a larger diameter or a larger width than the hole and being engaged with a peripheral edge portion of the hole. A tip end face of the convex portion has a dent portion formed by pressing the tip end face into a base portion side of the convex portion and an area around the dent portion constitutes the engagement portion. Thus, the nozzle forming member and the cover member are appropriately caulked and fastened.

Abstract: A blind rivet including a sleeve and a flange on one end of the sleeve, and a mandrel including a shaft and a head, the head having a cutting edge for cutting open the sleeve. The sleeve of the rivet body has a thick portion, and a thin which has an inner diameter larger than the thick portion. The shaft of the mandrel has a large diameter portion, a middle diameter portion, a small diameter portion having an outer diameter smaller than the middle diameter portion, and a securing and attaching groove which is between the middle diameter portion and the small diameter portion. When the blind rivet is fastened, the middle diameter portion of the mandrel causes the material of the thick portion to undergo metal flow and to flow into the securing and attaching groove, enabling the mandrel to be tightly secured to the rivet body.

Abstract: In an embodiment, a bearing including a generally cylindrical sidewall having a thickness, tSW; a circumferentially extending feature projecting radially outward from the generally cylindrical sidewall, wherein the circumferentially extending feature has an axial height of at least about 2.0 tSW; and a flange disposed at an axial end of the generally cylindrical sidewall and spaced apart from the circumferentially extending feature. In another embodiment, an assembly including a first component comprising an aperture; a second component coaxial with respect to the first component; and a bearing disposed axially between the first and second components and at least partially within the aperture of the first component, wherein the first and second components are spaced apart from one another by a distance, D, and wherein the bearing is visible from a side elevation view along the entire distance, D.

Abstract: A panel fastener includes a screw that is captivated to a ferrule and urged toward a retracted position by a spring which operates between the screw head and the ferrule. When the screw is in the retracted position, a collar of enlarged diameter on the screw occupies the area adjacent an internal annular captivation ring of the ferrule. The screw includes a flange that bears directly against the captivation ring providing a stop to prevent removal of the screw. The spring is preferably a coil spring that is operative against an outer flange of the ferrule.

Abstract: Arrangements and methods are provided for joining. The joining arrangement includes a stake extending outward from a surface of a first substrate or panel. The stake includes a base portion, a first shelf portion, a second shelf portion, and a distal surface. The joining arrangement further includes an aperture formed in a second substrate or panel. The aperture includes a plurality of outwardly-extending, spaced-apart fingers that circumscribe a central opening. Each finger of the plurality of fingers is deformable outwardly to receive the stake. The joining arrangement finds use in vehicle trim assemblies. The joining method includes the step of inserting the stake of the first substrate or panel into the aperture of the second substrate or panel.

Abstract: A fitting structure and a display device are provided. The fitting structure comprises a first device (22), a second device (33) and a position-limiting device (11) configured to fixedly connect the first device (22) and the second device (23), wherein the position-limiting device (11) comprises a pre-fitting stepped portion (113) which is provided in the first device (22), and a threaded portion (111) and a relief groove portion (112) which are provided in the second device (33), and the relief groove portion (112) is arranged between the pre-fitting stepped portion (113) and the threaded portion (111); a height of the relief groove portion (112) is set so that the pre-fitting stepped portion (113) is in contact with a fixing face which is an end face of the second device (33) which is fixedly connected by the position-limiting device (11).

Abstract: The invention discloses a detachable double-locking riveting dismounting method and a pulling rivet. A lantern ring comprises a thin-wall hook section, a thick-wall locking section and a lantern ring head with an annular step from front to back. The rivet comprises a rivet head of an annular groove matched with the hook section, a front polish rod section, a knurling section matched with the locking section, a separating groove, a rear polish rod and a tail annular groove section from front to back. Double riveting is used by inserting the rivet and lantern ring from both sides; after riveting, the locking section and knurling section form radial locking, and the hook section is buckled to form axial locking. Simple detaching tools (e.g. front snap ring and center cylinder) are equipped to dismount rivets rapidly.

Abstract: A quick positioning tube expander includes a clamp mold having a first clamp block and a second clamp block; a pivoting assembly pivotally disposed on the clamp mold for the first and second clamp blocks to open and close with the pivoting assembly as a center of pivoting; and a positioning member. The tube channel is disposed between the first and second clamp blocks for containing a tube body. The first clamp block has a first through hole and a second through hole mutually spaced, and the tube channel is connected with the first and second through holes. The positioning member is connected with the first through hole. The tube body passes through the second through hole to be contained in the tube channel with an end part of the tube body resisting against an end surface of the positioning member to be positioned.

Abstract: A method for making a detection device (2) for detecting a position of a movable rod (4) of a pneumatic actuator (1) comprises a step of taking a first body (17) comprising a connecting portion (19), a supporting portion (20), an electrical connector (21), a detection sensor (15) for detecting a magnetic field and electrical connecting means (22). The method then comprises a step of taking a second body (18) comprising a housing (14) in which the supporting portion (20) can be inserted, a step of inserting the supporting portion (20) and the detection sensor (15) positioned on it in the housing (14) and a step of irremovably constraining the first body (17) to the second body (18). The first body (17) and the second body (18) comprise, one at least one projecting element (25) and the other at least one corresponding hole (26); during the insertion step the projecting element (25) is inserted in the hole (26).

Abstract: A method for the attachment of a hollow element such as a hollow rivet or a nut element to a component consisting of a composite material, with the element having a flange part and a shaft part or rivet section extending away from the flange part, wherein a rivet section can also be formed at the free end of a shaft part. The hollow element has a central passage which is optionally provided with a thread cylinder. In the method an auxiliary tip is either passed from the flange side of the element remote from the shaft part and/or the rivet section through the passage or is introduced from the side of the free end of the shaft part and/or of the rivet section into the passage such that a conically converging region of the auxiliary tip projects from the free end of the shaft part or of the rivet section.

Abstract: A self-piercing rivet for connecting high-strength steels. The rivet having a head which has a head diameter (DH); a shank which has a shank diameter (DS); and, located at the foot end of the shank opposite the head, the shank has radially outward a flat surface section and radially inward an axial recess defining an axial depth (LB). The ratio of axial depth (LB) of the recess to the shank diameter (DS) is smaller than 0.3.

Abstract: A fastener nut for securing a part to channel framing defining at least one internal, generally T-shaped track extending lengthwise of the channel framing. The fastener nut includes a nut body, and first and second wings extending longitudinally outward from respective first and second longitudinal ends of the body. The first and second wings having respective terminal ends defining an effective wing span therebetween that is greater than the length of the body such that at least a portion of the fastener nut has a generally T-shaped side profile. The fastener nut is insertable in the generally T-shaped track of the channel framing to allow the fastener nut to slide along the length of the channel framing and to restrict transverse movement of the fastener nut in the interior, relative to length of the framing, for use in positioning the fastener nut along the channel framing.

Abstract: A retention pin assembly may include a stud having a head, a shaft, and a deformable end. The shaft may include a stepped surface having a greater diameter than the deformable end. The assembly may include a support member having an opening for receiving the deformable end. The support member may include a pocket. The stepped surface of the shaft may position the stud in relation to the support member. The deformable end of the stud may be operable to be melted to form a mechanical retainer within the pocket without forming a metallurgical joint between the stud and the pocket.

Abstract: A gas turbine engine is provided that has a rigid dressing raft mounted to a rigid part of the gas turbine engine. The rigid dressing raft includes at least a part of a component or system of the gas turbine engine. For example, the rigid dressing raft may have electrical conductors embedded therein that are a part of the electrical system of the gas turbine engine.

Abstract: A controllable clutch (18) for a belt tensioner (16) comprises a drive member (32), a driven element (24) and a clutch pawl (40) that is movably supported on the input side (30) between a home position and an engaged position and in the engaged position couples the drive member (32) to the driven element (24), wherein the clutch pawl (40) is tension-loaded in the engaged position.

Abstract: A fastener assembly is configured to secure to a component. The fastener assembly may include a fastener having a shaft integrally connected to an engagement head, and an anchoring bushing that retains the fastener. The anchoring bushing may include a main body defining a fastener passage that retains the shaft, and at least one anchoring member extending from a portion of the main body. The anchoring member(s) is configured to securely anchor into at least a portion of the component.

Abstract: The present invention provides a tube end molding method comprising: a tube shrinking step for forming a tapered portion and a small diameter tube portion at one end of an original tube; a preparing step for preparing a holding die having an original tube bore and a tube expanding bore; and a tube expanding step including a first step for mounting the original tube at the original tube bore of the holding die, a second step for folding the small diameter tube portion inside the original tube beginning at the tapered portion, and a third step for pressing the folded portion against an inner wall of the tube expanding bore.

Abstract: A floating fastener mounting structure includes a metal panel member defining a convex wall portion and a mounting through hole at the convex wall portion, a mounting socket including an axially extended center hole, an annular step and a stop flange extended around the periphery at different elevations and an annular locating groove defined between the annular step and the stop flange. The mounting socket is riveted to the metal panel member to force the annular locating groove into engagement with the convex wall portion, enabling the convex wall portion to be tightly stopped between the annular step and the stop flange. The annular step defines a downwardly and outwardly sloping top surface for guiding the convex wall portion of the metal panel member into engagement with the annular locating groove of the mounting socket in the rivet operation.

Abstract: A two-stage punch accomplishes the two-step process of sheet deformation and nut flaring to attach the nut to the sheet in a single stroke of an assembly press. The punch comprises an outer cylindrical sleeve which captivates a resiliently biased center punch. When the punch is moved downward into contact with the sheet, an embossing ring on the sleeve deforms the sheet material around an aperture in the sheet. When the punch is moved farther downward, a pointed end of the center punch extends beyond the embossing ring and into forcible contact with the nut. The nut is thereby flared capturing the sheet between flared edges of the nut and a nut flange.

Abstract: A method for producing a screw-top bottle-can and a screw-top bottle-can are provided so that a screw-thread can be formed without damaging an inner coating and a resealing operation can be improved. A shoulder part is formed by reducing a diameter of an opening part of a closed-end cylindrical body, a cylindrical part having an intermediate diameter between a major thread diameter and a minor thread diameter and a tapered part which is tapered from an upper end of the cylindrical part toward an opening-end part are formed above the shoulder part, and forming a screw-thread from the tapered part to the cylindrical part so as to form a starting part of the screw-thread at a middle part of the tapered part.

Abstract: A hollow element such as a hollow rivet or a nut element for attachment to a component consisting of a composite material such as a fiber reinforced plastic part or a fabric reinforced plastic part is presented. The element has a flange part and a shaft part extending away from the flange part and/or a rivet section, wherein the rivet section, is present, can also be formed at the free end of the shaft part, with the a hollow element furthermore having a central passage, which is optionally provided with a thread cylinder. The hollow element is used in combination with an auxiliary tip which is either inserted from the flange side of the element through the passage, or from the side of the free end of the shaft part of the rivet section into the passage, such that a conically converging region of the auxiliary tip projects from the free end of the shaft part or of the rivet section.

Abstract: A method for fixing a piercing nut includes placing on a punching die a metal plate. A pilot portion is provided at a bearing surface of a nut main body of the piercing nut. A height from the bearing surface to an end face of the pilot portion is smaller than a thickness of the metal plate. The pilot portion is pressed to a first surface of the metal plate to be struck into the metal plate so that an inner peripheral surface of a punching opening portion of the metal plate engages with an outer peripheral surface of the pilot portion to fix the piercing nut to the metal plate. The end face is positioned between the first surface and a second surface of the metal plate. A punching slag is downwardly pushed to discharge the punching slag to a punching hole of the punching die.

Abstract: The invention relates to a process for the manufacture of a part penetrated by fluid channels or ducts for the manufacture of a mold that includes channels or ducts for the circulation and/or transfer of a fluid from the molding portion to the non-molding portion and vice versa. The part is formed and manufactured by a Stratoconception (TM) method based on the principle of decomposing the part, via a set of inter-stratum planes, into a succession of strata. After assembly, the part is formed, and channels are provided in the various inter-stratum planes for allowing a fluid to pass through the part. The invention also relates to the parts obtained by the process.

Abstract: A method for assembling a metal collar to a resin component includes: inserting the metal collar into a mounting hole of the resin component, and setting them so that a flange of the collar abuts a jig; inserting a screw mandrel of a fastening tool into a through-hole in the collar, and rotating the mandrel so that the male threading of the mandrel engages the female threading of the jig; abutting a nosepiece of the fastening tool against the collar, and stopping the rotation of the mandrel; withdrawing the mandrel so that the nosepiece presses against one end of the collar with sufficient force to enlarge the outer diameter of that end of the collar to form an enlarged portion, thereby securing the resin component between the enlarged portion and the flange; and (e) rotating the mandrel in the reverse direction to disengage the respective threading.