EP1572392A1 - Dispositif pour poser un rivet autopoinconneur dans une tole - Google Patents

Dispositif pour poser un rivet autopoinconneur dans une tole

Info

Publication number
EP1572392A1
EP1572392A1 EP03782413A EP03782413A EP1572392A1 EP 1572392 A1 EP1572392 A1 EP 1572392A1 EP 03782413 A EP03782413 A EP 03782413A EP 03782413 A EP03782413 A EP 03782413A EP 1572392 A1 EP1572392 A1 EP 1572392A1
Authority
EP
European Patent Office
Prior art keywords
punch
rivet
punch rivet
diameter
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP03782413A
Other languages
German (de)
English (en)
Inventor
Roland Mair
Erich Palm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SFS Group International AG
Original Assignee
SFS Intec Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SFS Intec Holding AG filed Critical SFS Intec Holding AG
Publication of EP1572392A1 publication Critical patent/EP1572392A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/025—Setting self-piercing rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/08—Hollow rivets; Multi-part rivets
    • F16B19/086—Self-piercing rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53313—Means to interrelatedly feed plural work parts from plural sources without manual intervention
    • Y10T29/53383—Means to interrelatedly feed plural work parts from plural sources without manual intervention and means to fasten work parts together
    • Y10T29/53387—Means to interrelatedly feed plural work parts from plural sources without manual intervention and means to fasten work parts together by deforming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5343—Means to drive self-piercing work part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means
    • Y10T29/5377—Riveter

Definitions

  • the invention relates to a device for setting a punch rivet in sheet metal.
  • the device according to the invention serves to set a punch rivet for a connection to metal sheets without predrilling.
  • the punch rivet is pressed through the sheet to form a punch hole.
  • sheet metal material is pressed into a circumferential groove with plastic deformation, which is formed in the shaft of the punch rivet.
  • a punch rivet known from EP 1 013 945 B1 is not only a punch rivet, but also a stamped rivet. If such a punch-embossed rivet has punched through two components to be connected with one another to form a punch hole, a groove is then embossed around the shaft end facing away from the rivet head in the component there, whereby material of the component there is plastically deformed into the circumferential groove formed in the shaft penetrates.
  • a die of the rivet setting device must be provided with an upwardly projecting ring collar which receives the shaft end opposite to the head and thereby embosses the groove around the shaft end into the material of the component there.
  • DE 43 33 052 C2 shows a self-punching fastening device in which the rivet consists of a rivet head and a rivet shaft with a central recess exists, the free end face of which does not completely punch through a sheet of metal receiving it.
  • punch rivets which connect two or more than two sheets to one another, but also punch rivets which are fastened to a sheet metal, the head of such punch rivets being able to be designed, for example, as a bearing journal (US-A- 3 571 903).
  • the shank can be designed so that during the setting process sheet material surrounding the shank is displaced upward, which is then pressed down again by the bearing part of the punch rivet in order to be pressed into the circumferential groove by plastic deformation and thus the punch rivet in the sheet metal in a form-fitting manner set. Even such punch rivets cannot be placed in thin sheet metal.
  • the object of the invention is to provide a device of the type mentioned at the outset, which is designed to be less complex, but with which a punch rivet can nevertheless be set in such a way that a secure connection to thin sheets results, be it for connecting several together thin sheet metal or for connecting the punch rivet to thin sheet metal.
  • the device according to the invention has an upper sleeve which slidably receives at least one punch, a fixed lower sleeve which is at a distance from the upper sleeve and the shaft of the punch rivet during the setting process receives, and a resiliently biased clamping sleeve surrounding the lower sleeve and projecting towards it in the direction of the punch, as a support for sheet metal to be connected to or by the punch rivet.
  • the male and female molds have a simple structure, since instead of an embossing tool, only a spring-loaded clamping bush is used.
  • the punch has a diameter which corresponds to the diameter of the head of the punch rivet, punch rivets can be individually processed in a simple manner by being pushed into the upper sleeve from below.
  • the fixed lower bush has an outer diameter which is larger than the diameter of the head of the punch rivet, the amount of sheet metal material which is in the can be easily determined in cooperation with the resiliently preloaded clamping bush Circumferential groove should be plastically deformed into it.
  • the outer diameter of the lower sleeve is greater than the diameter of the head of the punch rivet by the difference between the diameter of the head and a largest diameter of the shaft of the punch rivet, the amount of can be inserted into the circumferential groove further optimize material to be plastically deformed.
  • the inner diameter of the lower sleeve is the same as or slightly larger than the diameter of a cylindrical shank section of the punch rivet, the shank passing through the sheet can be accommodated in the lower sleeve during the setting process and then the Push the punched sheet on the shaft back towards the head of the punch rivet.
  • the clamping bush has an annular shoulder which is resiliently prestressed against a stop by a spring element arranged between an abutment and the annular shoulder, the die has a particularly simple structure.
  • the spring element is a plate spring package, the force with which the plate, as soon as it has been punched through by the punch rivet, on the shaft of the punch rivet can be determined in a simple manner by selecting appropriate plate springs Towards the head of which is shifted.
  • magazine punch rivets can be set in a simple manner.
  • FIGS. 1a-1c shows the punch rivet according to FIGS. 1a-1c in the set state, wherein it connects two metal sheets to each other and in addition a detail of the device according to the invention is shown,
  • FIG. 2b shows a second embodiment of the punch rivet that can be set with the device according to the invention in the set state, wherein it connects two metal sheets to one another,
  • Fig. 3 shows a first embodiment of the device according to the invention
  • Fig. 4 shows a second embodiment of the device according to the invention.
  • FIG. 1 a shows a top view of a first embodiment of a punch rivet, which is designated overall by 10 and can be set by a device 40 or 40 ′ according to the invention, which is shown in FIGS. 3 and 4.
  • the punch rivet 10 is shown in the set state in FIG. 2a.
  • a second embodiment of the punch rivet is shown in the set state in FIG. 2b and is designated overall by 10 '. 2b, 3 and 4 will be discussed in more detail below.
  • the punch rivet 10 has a head 12, an adjoining shank 14, a circumferential groove 16 formed in the shank and a shank end 18 opposite the head.
  • the head 12 is on one of the shanks 14 facing underside with an annular flat surface 20.
  • the circumferential groove 16 connects directly to the underside of the head 12.
  • a section 22 of the shaft 14 tapers conically in a region located between the circumferential groove 16 and the shaft end 18 in the direction of the shaft end 18.
  • the head 12 is a flat head, as is shown in FIGS. 1a and 1b without further can be seen, but it could also be a semicircular head or the like. It is essential for the invention that the plane surface 20 adjoins the circumferential groove 16, the purpose of which will become clear below.
  • the punch rivet 10, 10 'described here is used for a connection on thin sheets, ie either for connecting two thin sheets 24, 26 to one another, as shown in FIGS. 2a and 2b, or for more than two thin sheets (not ) shown.
  • the punch rivet 10, 10 ' can also be attached to a thin sheet.
  • the connection would look as in FIGS. 2a and 2b, only with the difference that the dividing line visible there between the two sheets 24, 26 would not be present.
  • the single thin sheet could of course be thinner than the two thin sheets 24, 26 together.
  • the punch rivet 10, 10 ' has an axial length L (FIG. 1a) or L' (FIG.
  • the tapered section 22 of the shaft 14 extends to a cylindrical end section 28 which has an outer diameter D1.
  • the tapered section 22' extends to a tip section 32 which tapers as the tapered section 22 'and ends in the shaft end 18' designed as a tip.
  • the tapered section 22, 22 ' can directly adjoin the circumferential groove 16, 16' (not shown).
  • a cylindrical shaft section 30 or 30' directly adjoins the circumferential groove 16 or 16 'and extends as far as the tapering section 22 or 22' of the shaft 14.
  • the circumferential groove 16, 16' extends to a longitudinal center M or M 'of the punch rivet.
  • the tapered section 22, 22 'of the shaft 14, 14' has an axial length V or V which is substantially equal to the axial length L or L 'of the circumferential groove 16, 16'.
  • the tapered section with the length V is also followed by the cylindrical end section 28.
  • the tip section 32 is also connected to the axial length V of the tapering section.
  • the total length of the punch rivet 10, 10 ' is thus substantially greater than and preferably more than twice as large as the total thickness of the sheet material on which the connection with or through the punch rivet 10, 10' with the aid of the device 40, 40 'according to the Invention is to be made.
  • the circumferential groove 16 or 16' merges with the first radius R1 into the flat surface 20, 20 'on the underside of the head 12'.
  • the circumferential groove 16, 16 ' is parallel to the longitudinal axis 34, 34' in a region 36, 36 'at the bottom with respect to a longitudinal axis 34, 34' of the punch rivet 10, 10 '.
  • the circumferential groove 16 merges with a straight line 38 inclined against the longitudinal axis 34 of the punch rivet into the subsequent cylindrical shank section 30, which is the thickest part of the shank 14, 14 'and has a diameter D2.
  • the bottom of the circumferential groove 16 merges into the straight line 38 with a second radius R2.
  • the circumferential groove 16' merges with a third radius R3 (FIG. 2b) into the subsequent cylindrical shank section 30 ', which likewise has the largest shank diameter D2.
  • the tapered section 22 merges into the cylindrical end section 28 with a fourth radius R4.
  • the cylindrical shank section 30 merges into the taper section 22 with a fifth radius R5.
  • the two straight lines 38 diametrically opposite in FIG. 1 a form an angle ⁇ of 60 °.
  • the shaft end 18 is formed with sharp edges in the punch rivet 10.
  • the diameter of the cylindrical end section 28 of the shaft 14 is equal to the smallest or somewhat smaller than the smallest diameter d of the shaft 14 in the region of the circumferential groove 16.
  • the punch rivet 10, 10 ' consists of a material that is harder than the sheet metal material to which a connection is to be made with the punch rivet. In both cases, the punch rivet 10, 10 'is not deformed during the setting process. Only the sheet metal on which a connection is to be made is deformed. When the connection is made, the sheet metal material is plastically deformed into the circumferential groove 16, 16 ′. shaped. This results in a positive connection between the punch rivet 10, 10 'and the material of the sheets 24, 26, which is enclosed in the circumferential groove 16, 16' between the flat surface 20, 20 'and a shoulder, through the straight line 38 and through the radius R3 is formed.
  • FIG. 3 shows a first embodiment of the device, generally designated 40, for setting the punch rivet 10.
  • the device 40 consists of a male part, generally designated PA, and a male part, generally designated MA, between which, in the illustration in FIG. 3, the two sheets 24, 26 to be connected to one another by the punch rivet 10 are clamped.
  • the male part PA and the female part MA are connected to each other by a U-shaped yoke 42.
  • the yoke 42' can be attached to a tool 44 'which is operated electrically, hydraulically or with compressed air and which has a punch 46'. drives during the setting process.
  • the drive of the stamp 46 is not shown in FIG. 3.
  • the drive in FIG. 3 can be designed as in FIG. 4 or it can be done by hand, for example with a hammer.
  • the male part PA has an upper sleeve 48 which receives the punch 46 and the punch rivet 10 in a displaceable manner and in turn is held fixedly or displaceably in the yoke 42.
  • the die MA has a fixed lower bush 50, which is at a distance from the upper bush 48 and receives the shaft 14 of the punch rivet 10 during the setting process.
  • the lower bush 50 is surrounded by a resiliently preloaded clamping bush 52 which projects above the lower bush 50 in the direction of the punch 46 and serves as a support for the sheets 24, 26 which are to be connected to one another by the punch rivet 10.
  • the punch 46 of the device 40 has a diameter which corresponds to the diameter of the head 12 of the punch rivet 10.
  • the fixed lower sleeve 50 has an outer diameter which is larger than the diameter of the head 12 of the punch rivet 10.
  • the lower sleeve 50 has an inner diameter D3.
  • the inner diameter D3 is equal to the diameter D2 of the cylindrical shaft section 30 or slightly larger than the diameter D2.
  • the outer diameter of the lower sleeve 50 is larger than the diameter of the head 12 of the punch rivet 10 by the difference between the diameter of the head 12 and the largest diameter D2 of the shank 14 of the punch rivet 10, that is to say the diameter D2 of the cylindrical rivet section 30
  • FIG. 2a additionally shown detail of the device 40 shows that the diameters specified above are dimensioned to create suitable space for the plastic deformation of the sheets 24, 26 in the region of the circumferential groove 16.
  • the clamping sleeve 52, 52 ' has an annular shoulder 54, 54', which by a between an abutment 56, 56 ', to which the lower sleeve 50, 50' is attached, and the annular shoulder 54, 54 'arranged spring element 60, 60' is resiliently biased against a stop 62, 62 'which is formed by a shoulder of an inner threaded sleeve 64, 64' which is screwed into an outer threaded sleeve 66, 66 'of the die MA.
  • the spring element 60, 60 ' is a package composed of a plurality of disc springs 68, 68' stacked one above the other.
  • the device 40 'according to FIG. 4 differs from the device 40 according to FIG. 3, except for the other type of drive, essentially in that at a stamp exit end 70 of the upper sleeve 48' there is a guide part, designated overall by 72, for a punch rivet magazine strip 74 is attached.
  • the magazine strip contains a plurality of spaced punch rivets 10 which can be moved and set one after the other under the punch 46 '.
  • the method for setting the punch rivet 10 with the device 40 in which the punch rivet is pushed through the sheets 24, 26 without pre-drilling to form a punch hole and then sheet material is pressed into the circumferential groove 16 with plastic deformation, is carried out as follows. First, the punch rivet 10 is pressed down with the aid of the punch 46 until it rests on the sheet 24. Subsequently, the plates 24, 26 are moved together with the clamping sleeve 52 against the force of the plate springs 68 by the punch 46 and the punch rivet 10 until the plate 26 rests on the upper side of the lower bush 50. From then on, the punch 46 alone moves the punch rivet 10 further and the hole is punched out through the cylindrical end section 28 of the punch rivet 10.
  • the plates 24, 26 Due to the sudden release of the force of the plate springs 68, the plates 24, 26 have been pushed up relatively far on the punch rivet 10 in the region of the hole punched into them, wherein it is in the space between the lower plate 26 and the top of the lower sleeve 50 , which is then present, may even have caused the sheets 24, 26 to be flanged downwards. Due to the continued pressure exerted by the punch 46 on the punch rivet 10, this is finally pushed further down through the punch hole until the head 12 rests with its flat surface 20 on the top of the sheet 24. From now on, the punch rivet 10 and the sheets 24, 26 are moved downwards together until the sheet 26 rests on the upper side of the lower sleeve 50.
  • the downwardly deformed edge regions of the punched hole are plastically deformed into the circumferential groove 16 in a first annular region B1 (FIG. 2a) with the aid of the stamp 46 on the lower bush 50 serving as a fixed abutment.
  • the final state of this deformation is shown in Fig. 2a.
  • a second annular region B2 surrounding the lower bush 50 is supported elastically and elastically by the clamping bush 52.
  • the sheet metal material is compressed to the axial length L of the circumferential groove 16 in the deformation in the first annular region B1.
  • the thin sheets 24, 26 to be connected to one another or the thin sheet to be connected to the punch rivet 10 preferably have an overall thickness that is less than the length L of the circumferential groove 16. However, the overall thickness could also be greater than the length L of the circumferential groove 16
  • the sheet material in the preferred exemplary embodiment shown is thickened in the region of the circumferential groove 16 along its length L.
  • the setting process takes place with the device 40 'according to FIG. 4 essentially as with the device 40 according to FIG. 3.
  • FIG. 4 shows that the sheets 24, 26 are not clamped between the male part PA and the female part MA during the setting process need to be.
  • the punch 46, 46' moves the punch rivet 10, 10 'downward during the setting process, this being the case when the sheets 24, 26 are punched through Clamping sleeve 52, 52 'presses downward against the force of spring element 60, 60' until plate 26 rests on top of lower sleeve 50, 50 '.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Insertion Pins And Rivets (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un dispositif (40) servant à poser un rivet autopoinçonneur (10) dans une tôle (24, 26). Ce dispositif (40) comprend une douille supérieure (48) dans laquelle un poinçon (46) peut être déplacé, une douille inférieure (50) fixe placée à distance de la douille supérieure (48) et destinée à recevoir la tige du rivet autopoinçonneur (10) lors de la pose, ainsi qu'une douille de serrage (52), précontrainte élastiquement, qui entoure la douille inférieure (50) et fait saillie par rapport à celle-ci en direction du poinçon (46), cette douille de serrage (52) servant de support à la tôle (24, 26) devant être assemblée avec le rivet autopoinçonneur (10) ou au moyen de celui-ci. Le poinçon (46), la douille inférieure (50) et la douille de serrage (52) sont conçus de telle sorte que, lors de la pose du rivet autopoinçonneur (10), dont la tige présente une rainure périphérique (16) ménagée directement sous la tête (12) du rivet et à la suite de laquelle se trouve une section de tige cylindrique élargie (30), le matériau de la tôle qui a été poinçonné par le rivet autopoinçonneur et déplacé vers le bas lors de la pose vienne se loger dans la rainure périphérique (16) par déformation plastique.
EP03782413A 2002-12-18 2003-12-16 Dispositif pour poser un rivet autopoinconneur dans une tole Ceased EP1572392A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10259369 2002-12-18
DE10259369A DE10259369B3 (de) 2002-12-18 2002-12-18 Vorrichtung zum Setzen eines Stanzniets in Blech
PCT/EP2003/014303 WO2004054737A1 (fr) 2002-12-18 2003-12-16 Dispositif pour poser un rivet autopoinçonneur dans une tole

Publications (1)

Publication Number Publication Date
EP1572392A1 true EP1572392A1 (fr) 2005-09-14

Family

ID=32087369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03782413A Ceased EP1572392A1 (fr) 2002-12-18 2003-12-16 Dispositif pour poser un rivet autopoinconneur dans une tole

Country Status (5)

Country Link
US (1) US20060010671A1 (fr)
EP (1) EP1572392A1 (fr)
AU (1) AU2003290056A1 (fr)
DE (1) DE10259369B3 (fr)
WO (1) WO2004054737A1 (fr)

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US8196794B2 (en) * 2004-08-24 2012-06-12 Ford Motor Company Riveting system and multi-piece self pierce die for improved die life
DE102006038817B3 (de) * 2006-08-18 2007-10-04 Sfs Intec Holding Ag Vorrichtung zum Setzen eines Stanzniets in Blech
DE102009035338A1 (de) * 2009-07-22 2011-01-27 Arnold & Shinjo Gmbh & Co. Kg Befestigen von Nietelementen
BR112012018891A2 (pt) * 2010-01-27 2016-04-12 Nedschroef Altena Gmbh elemento de conexão e método para fabricar um elemento de conexão
DE102010033714B3 (de) * 2010-08-07 2011-10-27 Audi Ag Werkzeug zum Setzen von Vollstanznieten
ES2663305T3 (es) 2010-11-10 2018-04-11 Henrob Limited Método de remachado
DE102012000979A1 (de) * 2012-01-20 2013-07-25 Tox Pressotechnik Gmbh & Co. Kg Verfahren und Werkzeug zum Verbinden eines Befestigungselements
DE102012202242B4 (de) * 2012-02-14 2025-01-30 Airbus Operations Gmbh Stanzniet
CN105499468B (zh) * 2016-01-29 2017-11-17 合肥压力机械有限责任公司 螺栓铆压装置
DE102016111616B4 (de) * 2016-06-24 2025-10-09 Tox Pressotechnik Gmbh & Co. Kg Vorrichtung und Verfahren zum Setzen eines Fügeelements an einem Werkstück oder zum Durchsetzfügen des Werkstücks
CN112619986B (zh) * 2020-12-14 2021-08-24 安徽聚芯智造科技股份有限公司 模套、具有该模套的拼合式异型涂漆模和涂漆穿线方法
WO2025160663A1 (fr) * 2024-01-31 2025-08-07 National Research Council Of Canada Matrice active à rondelles à ressort aux fins d'un rivetage autoperçant de matériaux à faible ductilité

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GB1471666A (en) * 1973-07-19 1977-04-27 Ocean Investments Ltd Method and fastener for use in joining together an assembly of metal sheets
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JPH0715695Y2 (ja) * 1992-02-04 1995-04-12 東海金属工業株式会社 リベットセット装置
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Title
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Also Published As

Publication number Publication date
WO2004054737A1 (fr) 2004-07-01
DE10259369B3 (de) 2004-05-06
AU2003290056A1 (en) 2004-07-09
US20060010671A1 (en) 2006-01-19

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