EP1738842A1 - Procédé et dispositif pour assembler des tôles par calfeutrage - Google Patents

Procédé et dispositif pour assembler des tôles par calfeutrage Download PDF

Info

Publication number
EP1738842A1
EP1738842A1 EP05253971A EP05253971A EP1738842A1 EP 1738842 A1 EP1738842 A1 EP 1738842A1 EP 05253971 A EP05253971 A EP 05253971A EP 05253971 A EP05253971 A EP 05253971A EP 1738842 A1 EP1738842 A1 EP 1738842A1
Authority
EP
European Patent Office
Prior art keywords
caulking
plate
hole
hollow cylindrical
burring
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.)
Granted
Application number
EP05253971A
Other languages
German (de)
English (en)
Other versions
EP1738842B1 (fr
Inventor
Noriaki Kawauchi
Akihiko Satou
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to ES05253971T priority Critical patent/ES2353881T3/es
Priority to EP20050253971 priority patent/EP1738842B1/fr
Priority to DE200560024534 priority patent/DE602005024534D1/de
Publication of EP1738842A1 publication Critical patent/EP1738842A1/fr
Application granted granted Critical
Publication of EP1738842B1 publication Critical patent/EP1738842B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
    • B21D39/032—Joining superposed plates by locally deforming without slitting or piercing by fitting a projecting part integral with one plate in a hole of the other plate

Definitions

  • the present invention relates to a method and apparatus for joining plates by caulking.
  • Japanese Patent Application First Publication No. 11-239834 discloses a method for caulking metal plates. Caulking is advantageous in comparison with welding in that the facility cost and the number of processes are reduced.
  • Caulking a first plate and a second plate is carried out in the following manner.
  • the first plate having a hole and a hollow cylindrical caulking portion extending from a periphery of the hole is prepared.
  • the caulking portion of the first plate is formed by burring.
  • the second plate having an insertion hole for receiving the caulking portion of the first plate is prepared.
  • the second plate is overlaid on the first plate by inserting the caulking portion of the first plate into the insertion hole of the second plate.
  • the first plate is fastened to the second plate by folding back a tip end portion of the caulking portion over a periphery of the insertion hole on one side surface of the second plate.
  • the joining strength provided by caulking varies greatly depending on an amount of overlapping of the folded-back tip end portion of the caulking portion of the first plate over the periphery of the insertion hole of the second plate, namely, a so-called lap amount of the folded-back tip end portion of the caulking portion.
  • a so-called lap amount of the folded-back tip end portion of the caulking portion In order to increase the lap amount, it is necessary to increase a projecting amount of the caulking portion which projects from a surface of the first plate.
  • a diameter of a bore of the caulking portion will be inevitably increased depending on the burring ratio. Accordingly, if a diameter of the holes formed on the plates must be reduced from the viewpoint of the layout or overall strength of the product, caulking cannot be used at the caulking portion.
  • a caulking apparatus for joining a first plate having a tapered hole tapered toward one side surface thereof and defined by a beveled surface with an inside edge and an outside edge, and a hollow cylindrical caulking portion extending from a periphery of the tapered hole on the one side surface, and a second plate having a hole, the caulking apparatus comprising:
  • FIG. 1A is a perspective view of a vehicular panel formed by a method of joining two plates, according to the present invention.
  • FIG. 1B is a section of the vehicular panel, taken along line 1B-1B shown in FIG. 1.
  • FIGS. 2A-2C are explanatory diagrams illustrating a burring step of the method of the present invention, showing a section of a burring unit of a caulking apparatus used in the method.
  • FIGS. 3A-3B are explanatory diagrams illustrating a caulking step of the method of the present invention, showing a section of a caulking unit of a first embodiment of the caulking apparatus.
  • FIG. 4A is an explanatory diagram illustrating function of the present invention, showing a section of an important portion of the caulking unit of the present invention.
  • FIG. 4B is an explanatory diagram illustrating function of a comparative example, showing a section of an important portion of a caulking unit of the comparative example.
  • FIG. 5 is a diagram similar to FIG. 3B, but showing a section of a caulking unit of a second embodiment of the caulking apparatus.
  • vehicular panel 100 includes two plates 10 and 20 joined with each other.
  • plate 10 has tapered hole 11 and hollow cylindrical caulking portion 12 extending from a periphery of tapered hole 11 on one side surface of plate 10.
  • Plate 20 has insertion hole 21 for receiving caulking portion 12 of plate 10.
  • Plates 10 and 20 are connected with each other by inserting caulking portion 12 of plate 10 into insertion hole 21 of plate 20 and overlaying plate 20 on plate 10, and then caulking a tip end portion of caulking portion 12 which projects from insertion hole 21, so as to fold back the tip end portion of caulking portion 12 over a periphery of insertion hole 21 on one side surface of plate 20.
  • FIGS. 2A-2C and 3A-3B a caulking method of joining plates 10 and 20 and a caulking apparatus used in the caulking method, of a first embodiment of the present invention, will be explained hereinafter.
  • FIGS. 2A-2C show a burring operation of the caulking method and burring unit 30 of the caulking apparatus.
  • FIGS. 3A-3B show a caulking operation of the caulking method and caulking unit 40 of the caulking apparatus.
  • the caulking apparatus is thus constituted of burring unit 30 and caulking unit 40.
  • burring unit 30 is in the form of a press machine including upper and lower dies moveable relative to each other.
  • the upper die includes burring die 35
  • the lower die includes burring punch 31 and retainer 36.
  • burring punch 31 has small-diameter portion 32, large-diameter portion 33 connected with small-diameter portion 32, and shoulder portion 34 disposed between small-diameter portion 32 and large-diameter portion 33.
  • Small-diameter portion 32 serves for forming hollow cylindrical caulking portion 12 of plate 10.
  • Shoulder portion 34 has a tapered surface that is tapered toward small-diameter portion 32 and has an inclination relative to an axis of burring punch 31. Shoulder portion 34 thus has a small-diameter side edge on a side of small-diameter portion 32 and a large-diameter side edge on a side of large-diameter portion 33.
  • Burring die 35 has insertion hole 35A into which small-diameter portion 32 of burring punch 31 is inserted.
  • Retainer 36 supports plate 10 thereon and has guide hole 36A for guiding large-diameter portion 33 of burring punch 31.
  • Insertion hole 35A and guide hole 36A are so arranged as to be substantially in axial alignment with each other when burring die 35 and retainer 36 are held in place in an axially opposed relation to each other.
  • Burring punch 31 is moveable in the axial direction thereof within guide hole 36A of retainer 36. Shoulder portion 34 of burring punch 31 is formed in such a position as to press against a periphery of one end portion of hole 14 of plate 10 when shoulder portion 34 is pushed into hole 14 through guide hole 36A of retainer 36. Shoulder portion 34 serves for forming beveled surface 13 that defines tapered hole 11, as shown in FIG. 2C.
  • Beveled surface 13 is tapered toward a bore of caulking portion 12 and has a section having a linear and inclined contour inclined relative to a center axis of caulking portion 12.
  • Beveled surface 13 has inside edge 13A on a small-diameter side thereof and outside edge 13B on a large-diameter side thereof.
  • Inside edge 13A is formed by the small-diameter side edge of shoulder portion 34
  • outer edge 13B is formed by the large-diameter side edge of shoulder portion 34.
  • Caulking unit 40 shown in FIGS. 3A-3B is in the form of a press machine including upper and lower dies moveable relative to each other.
  • the upper die includes caulking punch 43 and upper retainer 44
  • the lower die includes support die 41 and lower retainer 47.
  • upper retainer 44 has guide hole 44A for guiding caulking punch 43 therein.
  • Caulking punch 43 includes small-diameter portion 46, large-diameter portion 45 connected with small-diameter portion 46, and a shoulder portion between small-diameter portion 46 and large-diameter portion 45. Small-diameter portion 46 is inserted into the bore of caulking portion 12 of plate 10.
  • Guide surface 45A is formed on the shoulder portion.
  • Guide surface 45A serves for guiding the tip end portion of caulking portion 12 of plate 10 which projects beyond insertion hole 21 so as to orient the tip end portion of caulking portion 12 toward the one side surface of plate 20 when the tip end portion of caulking portion 12 is folded back over the periphery of caulking portion 12 as shown in FIG. 3B.
  • Guide surface 45A has an arcuate section which may be in the form of a recess.
  • Small-diameter portion 46 has abutment surface 46A coming into contact with receiving surface 41A of support die 41.
  • Caulking punch 43 is disposed substantially in axial alignment with support die 41 and axially moveable relative thereto within guide hole 44A of upper retainer 44. Caulking punch 43 and support die 41 cooperate with each other to fold back the tip end portion of caulking portion 12 of plate 10 which projects beyond hole 21 of plate 20, over the periphery of hole 21 of plate 20 on the one side surface thereof, while pressing against beveled surface 13 of plate 10 so as to prevent a material of caulking portion 12 from flowing toward the other side surface of plate 10 along the periphery of tapered hole 11.
  • Lower retainer 47 retains plate 10 and plate 20 which overlap each other.
  • Lower retainer 47 has guide hole 47A for guiding support die 41 thereinto.
  • Guide hole 47A of lower retainer 47 and guide hole 44A of upper retainer 44 are so arranged as to be substantially in axial alignment with each other when upper retainer 44 and lower retainer 47 are held in place in an opposed relation to each other.
  • Support die 41 is so disposed as to be moveable in an axial direction thereof within guide hole 47A of lower retainer 47.
  • Support die 41 includes tapered portion 42 which has the same shape as that of tapered hole 11 of plate 10 so as to be engaged with beveled surface 13 surrounding tapered hole 11. Specifically, tapered portion 42 has an inclined surface relative to a central axis of support die 41.
  • the inclined surface has an inclination equivalent to that of beveled surface 13, namely, equivalent to the inclination of shoulder portion 34 of burring punch 31.
  • tapered portion 42 has small-diameter side edge 42A coming into engagement with inside edge 13A of beveled surface 13 of plate 10, and large-diameter side edge 42B coming into engagement with outside edge 13B of beveled surface 13 of plate 10 upon the caulking operation.
  • the method of joining plate 10 and plate 20 by using the caulking apparatus of the first embodiment will be explained hereinafter.
  • the method includes a burring operation using burring unit 30 and a caulking operation using caulking unit 40.
  • burring die 35 and retainer 36 are axially moved closer to each other so as to support plate 10 as the workpiece therebetween.
  • plate 10 is held in a position where hole 14 of plate 10 is substantially in axial alignment with burring punch 31.
  • burring punch 31 is upwardly moved toward plate 10 such that small-diameter portion 32 is pushed into hole 14 of plate 10 and then moved into insertion hole 35A of burring die 35 as shown in FIG. 2B. Burring punch 31 is further upwardly moved until caulking portion 12 of plate 10 is formed with the cooperation of small-diameter portion 32 and burring die 35, and tapered hole 11 of plate 10 is formed with the cooperation of shoulder portion 34 and burring die 35, as shown in FIG. 2B.
  • burring punch 31 During the upward movement of burring punch 31, a material of the periphery of hole 14 of plate 10 undergoes plastic deformation between an outer circumferential surface of small-diameter portion 32 of burring punch 31 and a circumferential periphery of insertion hole 35A of burring die 35. As a result, hollow cylindrical caulking portion 12 of plate 10 is formed on the one side surface of plate 10. As burring punch 31 is further upwardly moved, shoulder portion 34 of burring punch 31 is pressed against the periphery of the one end portion of hole 14 of plate 10 as shown in FIG. 2B. The periphery of the one end portion of hole 14 of plate 10 undergoes coining and thereby is formed into beveled surface 13.
  • tapered hole 11 defined by beveled surface 13 is formed.
  • the material of the periphery of the one end portion of hole 14 is caused to flow toward the tip end side of caulking portion 12 as indicated by arrows shown in FIG. 2B. Therefore, even when hole 14 having a relatively small diameter is subjected to the burring operation of the method of the first embodiment, a sufficient height or dimension of caulking portion 12 which extends from the one side surface of plate 10 can be ensured unlike the conventional burring operation in which no or less material of the periphery of the one end portion of hole 14 flows toward the tip end portion of caulking portion 12.
  • the height of caulking portion 12 can be kept, and the tip end portion of caulking portion 12 can be prevented from suffering from hair crack and further occurrence of cracks during the subsequent caulking operation as explained later. This results in increase in joining strength.
  • burring punch 31 is then downwardly moved and retreated from tapered hole 11 of plate 10. Then, burring die 35 and retainer 36 are axially moved away from each other, and plate 10 formed with tapered hole 11 and caulking portion 12 is taken out. The burring operation is thus accomplished.
  • caulking portion 12 of plate 10 is inserted through insertion hole 21 of plate 20 to project the tip end portion of caulking portion 12 beyond insertion hole 21, and thus plate 20 is overlaid on plate 10.
  • FIGS. 3A-3B Upon the caulking operation, first, as shown in FIG. 3A, upper and lower retainers 44 and 47 are moved closer to each other so as to support overlapping plates 10 and 20 between upper and lower retainers 44 and 47. At this time, overlapping plates 10 and 20 is held in a position where caulking portion 12 of plate 10 is substantially in axial alignment with support die 41 and caulking punch 43.
  • tapered portion 42 is engaged with beveled surface 13 as shown in FIG. 3A.
  • small-diameter side edge 42A of tapered portion 42 is aligned with inside edge 13A of beveled surface 13 of plate 10
  • large-diameter side edge 42B of tapered portion 42 is aligned with outside edge 13B of beveled surface 13 of plate 10.
  • caulking punch 43 is downwardly moved toward caulking portion 12 of plate 10 such that small-diameter portion 46 is inserted into the bore of caulking portion 12.
  • caulking punch 43 As caulking punch 43 is further downwardly moved and small-diameter portion 46 is inserted into the bore of caulking portion 12, the tip end portion of caulking portion 12 is radially outwardly expanded along guide surface 45A of caulking punch 43.
  • small-diameter portion 46 abuts on receiving surface 41A of support die 41 as shown in FIG. 3B, caulking portion 12 is folded back over the periphery of insertion hole 21 on the one side surface of plate 20.
  • the tip end portion of caulking portion 12 is thus caulked onto the periphery of insertion hole 21 of plate 20, so that overlapping plates 10 and 20 are joined with each other.
  • caulking punch 43 is upwardly moved and retreated from caulking portion 12 of plate 10, and support die 41 is downwardly moved and retreated from tapered hole 11 of plate 10. Then, upper and lower retainers 44 and 47 are moved away from each other, and joined plates 10 and 20 are taken out. The caulking operation is thus accomplished.
  • FIG. 4B illustrates a schematic enlarged view of parts of plates 51 and 52 joined with each other in the comparative example.
  • plate 52 includes a hole defined by curved surface 52A and caulking portion 55 extending from a periphery of the hole on one side surface of plate 52.
  • Curved surface 52A is formed by a conventional burring operation.
  • Curved surface 52A has an arcuate section and continuously and smoothly connected with an inner circumferential surface of caulking portion 55 and the other side surface of plate 52.
  • beveled surface 13 defining tapered hole 11 of plate 10 is formed by the burring operation.
  • Beveled surface 13 is tapered toward caulking portion 12 of plate 10 and has a linear and inclined contour in section.
  • Beveled surface 13 has inside edge 13A on the small-diameter side thereof, namely, on the side of caulking portion 12, and outside edge 13B on the large-diameter side thereof.
  • support die 41 having tapered portion 42 is used.
  • Tapered portion 42 of support die 41 has small-diameter side edge 42A and large-diameter side edge 42B which are engageable with inside edge 13A and outside edge 13B of beveled surface 13 of plate 10, respectively.
  • small-diameter side edge 42A and large-diameter side edge 42B With the provision of small-diameter side edge 42A and large-diameter side edge 42B, the shapes of inside edge 13A and outside edge 13B of beveled surface 13 can be surely retained, and the effect of preventing the material flow of caulking portion 12 of plate 10 toward the other side surface thereof upon the caulking operation can be ensured.
  • inside edge 13A and outside edge 13B of beveled surface 13 of plate 10 and small-diameter side edge 42A and large-diameter side edge 42B of tapered portion 42 of support die 41 are provided in order to achieve the effect of suppressing the material flow of caulking portion 12 of plate 10 upon the caulking operation.
  • inside edge 13A and outside edge 13B and small-diameter side edge 42A and large-diameter side edge 42B may be rounded as microscopically viewed.
  • the "edge" used in the description can have all of shapes that can prevent the material of caulking portion 12 of plate 10 from flowing toward the other side surface thereof along the periphery of tapered hole 11.
  • the shapes may be a sharp ridge shape formed by two intersecting planes, and a microscopically rounded shape.
  • the inclination of shoulder portion 34 of burring punch 31 and tapered portion 42 of support die 41 may not be limited to a specific value. However, it is preferred to adjust the inclination of shoulder portion 34 and tapered portion 42 to about 45 degrees in order to obtain a good balance between the effect of allowing the material flow directed toward the one side surface of plate 10 upon the burring operation and the effect of suppression of the material flow directed from caulking portion 12 of plate 10 toward the other side surface thereof along the periphery of tapered hole 11 upon the caulking operation.
  • beveled surface 13 has the linear and inclined contour in section as explained above.
  • caulking portion 12 of plate 10 is caulked to plate 20.
  • the material of caulking portion 12 can be prevented from flowing toward the other side surface of plate 10 along the periphery of tapered hole 11. Therefore, even in a case where a reduced-diameter side of tapered hole 11, namely, the bore of caulking portion 12 has a relatively small diameter, sufficient lapping amount La of caulking portion 12 can be effectively attained and sufficient joining strength of plates 10 and 20 can be obtained. Accordingly, even when a diameter of the reduced-diameter side of tapered hole 11 of plate 10 must be set relatively small in view of layout of a finished product and strength of the finished product as a whole, the caulking operation can be suitably performed.
  • caulking portion 12 and beveled surface 13 of plate 10 can be readily formed by small-diameter portion 32 and shoulder portion 34 of burring punch 31, respectively.
  • caulking unit 140 includes lower retainer 48 having support surface 48B on which overlapping plates 10 and 20 are retained such that a lower surface of plate 10 is contacted with support surface 48B.
  • Lower retainer 48 includes guide hole 48A for guiding support die 41 and recess 60 open to guide hole 48A.
  • Recess 60 is radially inwardly disposed on support surface 48B.
  • Stepped portion 61 is formed between support surface 48B and a bottom of recess 60.
  • Edge 61A is formed at a boundary between support surface 48B and stepped portion 61.
  • Edge 61A is engaged with the lower surface of plate 10 to thereby prevent the material of caulking portion 12 of plate 10 from flowing toward an upper side surface of plate 10 along the periphery of tapered hole 11 upon the caulking operation.
  • a depth of recess 60 namely, a height of stepped portion 61 is 1 mm or less, preferably, about 0.5 mm.
  • a radial length of recess 60 may be several millimeters.
  • Caulking unit 140 are thus formed with edge 61A of lower retainer 48 in addition to small-diameter side edge 42A and large-diameter side edge 42B of tapered portion 42 of support die 41.
  • edge 61A of lower retainer 48 the flow of the material of caulking portion 12 of plate 10 toward the upper side surface thereof along the periphery of tapered hole 11 upon the caulking operation can be more effectively prevented.
  • the caulking operation can be suitably performed even when a diameter of the reduced-diameter side of tapered hole 11, namely, a diameter of the bore of caulking portion 12 must be set relatively small in view of layout of a finished product and strength of the finished product as a whole.
  • caulking portion 12 and beveled surface 13 of plate 10 is not limited to burring, i.e., punching as explained the above-described embodiments, and may be performed by forging.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Forging (AREA)
EP20050253971 2005-06-27 2005-06-27 Procédé et dispositif pour assembler des tôles par calfeutrage Active EP1738842B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES05253971T ES2353881T3 (es) 2005-06-27 2005-06-27 Procedimiento y aparato para unión de las placas mediante punzonado-recalcado.
EP20050253971 EP1738842B1 (fr) 2005-06-27 2005-06-27 Procédé et dispositif pour assembler des tôles par calfeutrage
DE200560024534 DE602005024534D1 (de) 2005-06-27 2005-06-27 Verfahren und Vorrichtung zum Verbinden von Platten durch Verpressen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20050253971 EP1738842B1 (fr) 2005-06-27 2005-06-27 Procédé et dispositif pour assembler des tôles par calfeutrage

Publications (2)

Publication Number Publication Date
EP1738842A1 true EP1738842A1 (fr) 2007-01-03
EP1738842B1 EP1738842B1 (fr) 2010-11-03

Family

ID=35198041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050253971 Active EP1738842B1 (fr) 2005-06-27 2005-06-27 Procédé et dispositif pour assembler des tôles par calfeutrage

Country Status (3)

Country Link
EP (1) EP1738842B1 (fr)
DE (1) DE602005024534D1 (fr)
ES (1) ES2353881T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120146317A1 (en) * 2009-09-04 2012-06-14 Takata-Petri Ag Occupant protection device comprising safety valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433668A1 (de) * 1974-07-12 1976-01-15 Standard Elektrik Lorenz Ag Verfahren zum befestigen einer duennen blattfeder auf einer unterplatte durch eine unmittelbare nietverbindung
US4174559A (en) * 1978-02-09 1979-11-20 J.J. & M. Fastening method
FR2619169A1 (fr) * 1987-08-07 1989-02-10 Tubauto Procede et dispositif pour la liaison rapide de deux pieces presentant, en general, des zones de recouvrement planes
JPH11239834A (ja) 1998-02-23 1999-09-07 Unipres Corp 板状金属材の接合構造
EP1108481A2 (fr) * 1999-12-15 2001-06-20 Coparl, S.A. Procédé d'assemblage sans soudure de tôles de type rivetage
JP2004092928A (ja) 2002-08-29 2004-03-25 Mitsubishi Heavy Ind Ltd 凝縮器及び冷凍機
WO2004098810A1 (fr) * 2003-05-07 2004-11-18 Samuel Taylor Limited Procede de jonction de composants

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433668A1 (de) * 1974-07-12 1976-01-15 Standard Elektrik Lorenz Ag Verfahren zum befestigen einer duennen blattfeder auf einer unterplatte durch eine unmittelbare nietverbindung
US4174559A (en) * 1978-02-09 1979-11-20 J.J. & M. Fastening method
FR2619169A1 (fr) * 1987-08-07 1989-02-10 Tubauto Procede et dispositif pour la liaison rapide de deux pieces presentant, en general, des zones de recouvrement planes
JPH11239834A (ja) 1998-02-23 1999-09-07 Unipres Corp 板状金属材の接合構造
EP1108481A2 (fr) * 1999-12-15 2001-06-20 Coparl, S.A. Procédé d'assemblage sans soudure de tôles de type rivetage
JP2004092928A (ja) 2002-08-29 2004-03-25 Mitsubishi Heavy Ind Ltd 凝縮器及び冷凍機
WO2004098810A1 (fr) * 2003-05-07 2004-11-18 Samuel Taylor Limited Procede de jonction de composants

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120146317A1 (en) * 2009-09-04 2012-06-14 Takata-Petri Ag Occupant protection device comprising safety valve
US8585091B2 (en) * 2009-09-04 2013-11-19 Takata AG Occupant protection device comprising safety valve

Also Published As

Publication number Publication date
EP1738842B1 (fr) 2010-11-03
ES2353881T3 (es) 2011-03-07
DE602005024534D1 (de) 2010-12-16

Similar Documents

Publication Publication Date Title
US20050210654A1 (en) Method and apparatus for joining plates by caulking
US7343678B2 (en) Method and device for production of a hollow section
US10092940B2 (en) Method for forming a pressed component, method for manufacturing a pressed component, and die apparatus for forming a pressed component
US20050257587A1 (en) Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged product
EP3124826A1 (fr) Collier d'enroulement, dispositif de production de collier d'enroulement, et procédé de production de collier d'enroulement
US7827839B2 (en) Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged product
EP1738842B1 (fr) Procédé et dispositif pour assembler des tôles par calfeutrage
JP5168440B2 (ja) 駆動部品の締結方法および駆動部品
KR100621965B1 (ko) 코킹에 의한 플레이트들의 결합 방법 및 장치
DE10347253B4 (de) Verfahren zur Herstellung eines Lagerträgers zur Aufnahme wenigstens eines Lagers
US11819905B2 (en) Method of forming a riveted joint
US6490790B1 (en) Method of manufacturing preform for connecting rod
US20040060160A1 (en) Method for joining rod and collar and joining die set therefor
US7464464B2 (en) Method for producing a cover that can be placed on the end of a motor vehicle exhaust pipe, and a cover produced according to this method
JPH11309520A (ja) 先端が拡開した筒体部を有する部品の加工方法およびそれに用いる金型
JPH11179452A (ja) バーリング締結方法、締結構造、及びバーリング形成用パンチ
US5872348A (en) Method for forming a projection for projection welding
JP7334749B2 (ja) 金属部品の接合方法、接合部品の製造方法、及び金属部品の接合構造
JP4360125B2 (ja) 成形方法
JP7342895B2 (ja) 金属部品の接合方法、及び接合部品の製造方法
KR102678571B1 (ko) 프로그레시브 성형기술을 이용한 로어암 부품 제조공법
JP7010148B2 (ja) 二部品の接合方法および閉断面構造部材の組立方法
JPH0616913B2 (ja) 等速ジョイント外輪の製造方法および製造装置
JP5621634B2 (ja) ボールねじ用ナット及びその製造方法
JP5821990B2 (ja) ボールねじ用ナットの製造方法

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20050701

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

AKX Designation fees paid

Designated state(s): DE ES FR IT

17Q First examination report despatched

Effective date: 20071113

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR IT

REF Corresponds to:

Ref document number: 602005024534

Country of ref document: DE

Date of ref document: 20101216

Kind code of ref document: P

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Effective date: 20110223

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20110804

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602005024534

Country of ref document: DE

Effective date: 20110804

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R084

Ref document number: 602005024534

Country of ref document: DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20230703

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240521

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20240522

Year of fee payment: 20

Ref country code: FR

Payment date: 20240522

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240701

Year of fee payment: 20