EP1156895B1 - Bague a retreindre, procede de fabrication et installation de fabrication. - Google Patents
Bague a retreindre, procede de fabrication et installation de fabrication. Download PDFInfo
- Publication number
- EP1156895B1 EP1156895B1 EP00907722A EP00907722A EP1156895B1 EP 1156895 B1 EP1156895 B1 EP 1156895B1 EP 00907722 A EP00907722 A EP 00907722A EP 00907722 A EP00907722 A EP 00907722A EP 1156895 B1 EP1156895 B1 EP 1156895B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- connection element
- connection
- piece
- thickness
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000009434 installation Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000002788 crimping Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims description 48
- 238000005520 cutting process Methods 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 6
- 238000007373 indentation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000004300 potassium benzoate Substances 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 description 24
- 238000004080 punching Methods 0.000 description 12
- 239000002699 waste material Substances 0.000 description 5
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 235000008612 Gnetum gnemon Nutrition 0.000 description 1
- 240000000018 Gnetum gnemon Species 0.000 description 1
- 241000135309 Processus Species 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- 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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
-
- 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
- B21D39/037—Interlocking butt joints
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
- Y10T24/1459—Separate connections
- Y10T24/1461—One piece
- Y10T24/1463—Sheet metal
- Y10T24/1469—End-to-end integral with band connecting means
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
- Y10T24/1459—Separate connections
- Y10T24/1473—Wedging parts
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
- Y10T24/1478—Circumferentially swagged band clamp
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
- Y10T24/148—End-to-end integral band end connection
Definitions
- the present invention relates to a method of manufacturing a shrinking ring comprising a metal band wound on itself, the ends of which are linked by a connecting element presenting minus an anchor edge, according to the preamble to the first claim, as well as a shrink ring and a manufacturing facility.
- Document EP-A-0 610 108 in accordance with the preamble of claims 1 and 13, discloses a constriction ring made from a metal strip whose ends have a similar thickness half the thickness of the strip and have, for example, studs of fixation. To link these ends together, a mounting plate, having, for example, openwork, is placed so that a stud commits to each day. Then, the free end of the studs is riveted on the brochure.
- the process requires a first step which consists in halving the thickness of the ends of the strip while by forming fixing pads. Areas of reduced thickness and their studs must then be precisely dimensioned to allow placement and the timing of the fixing plate, this plate also in front be performed with great precision. In addition, a minimum clearance is necessary, between the plate and the strip, and between the two ends of the strip, to compensate for the tolerances of positioning of the studs in the openings of the brochure. This game risks weakening the final link.
- the invention aims to improve the aforementioned method to overcome the disadvantages noted above.
- connection element is placed against said end so that the anchoring edge of the connecting element is located opposite this end and pressure is exerted on the connecting element so as to push the material from said end of the strip which is under the connecting element while sparing in this end a fixing member able to cooperate with said anchoring edge for retaining one relative to the other the connecting element and said end of the band, so that the thickness of the ring in the region of the connecting element is substantially equal to the thickness of the strip.
- the anchor edge (s) may consist of the edges an opening formed in the connecting element, or even by a conformation appropriate (indentations, angular cuts ...) of the contour or one of the faces of the connecting element.
- the connecting element is thus connected to the ends of the strip by a simple mechanical pressure action which repels the material located under the connecting element (by cutting or pushing it back).
- the element of bond is integrated in the thickness of the strip, the bond being the cause of no notable excess thickness and the ring thus obtained has a shape cylindrical, the inner and outer cylindrical surfaces of which are smooth.
- the connecting element is placed against the end of the strip, the pressure is exerted on all or substantially the entire surface of the element of connection which covers said end, which makes it possible to integrate the element of connection in the thickness of this end.
- connection element Once the connecting element has been properly conformed with its anchor edges, it suffices to carry out a pressure step to put said element in place and ensure the connection by forming the member (s) of fixing, without the need to pre-form said fixing members.
- the connecting element serves as a shaping tool and remains in place in the ring to ensure the connection.
- the connecting element may consist of a connecting piece distinct from the strip, this part having at least two anchoring edges.
- at least one fixing member is housed in each from both ends of the strip, said fixing members being respectively able to cooperate with each of said anchoring edges for respectively connect the connecting piece to the first and to the second end of the strip.
- This connecting piece may have a generally similar shape to that of a brochure. It can also have a different shape and present reliefs, as will be seen below.
- the connecting piece is directly used as a tool for shaping the ends of the strip and is embedded in both ends of the strip, so in the ring, which it links.
- This conformation is therefore simplified and obtained directly during the installation of the part.
- the link between the piece and the ends of the strip is obviously made without play. results that the possible manufacturing tolerances of the part or a possible imprecision of its positioning on the tape before the pressure stage have no effect on the quality of the connection ultimately obtained.
- the connecting element can also be produced in a first end of the strip during a step of conformation and to connect the two ends of the strip, the first end conformed with the second end of the strip and exerts said pressure.
- the connecting element is used as a tool which is used to crush the end of the strip on which it is placed until the thickness of the ring in the region of the element of bond is substantially equal to the current thickness of the strip and to cause a backflow of the material from this end leading to the formation of at least one fixing member against the anchoring edge of the connecting element.
- This connecting element is embedded in the band and remains embedded in the ring.
- the connecting element can be perforated, in which case the fixing members are formed by studs or the like driven back into the openings of this connecting element.
- connecting element a separate piece of tape.
- the operation of pressure induces a discharge of the material of the strip which allows not only the formation of the fasteners, but also the filling any clearance between said extreme edges.
- the connecting element is used as a cutting tool.
- pressure is exerted on the connecting element so as to cut the repelled material from the strip by said connecting element and until the latter takes the place of the cut and repelled material, and the cut material is eliminated and rejected.
- the connecting element is embedded in the ends of the strip which it cuts, however, over their entire thickness.
- a connecting element consisting of a solid connecting piece (having, in general, the shape of a plate) distinct from the band, whose outline defines anchor and cut edges.
- the invention also relates to a shrink ring comprising a metal strip wound on itself, the ends of which are linked by a connecting element having at least one anchoring edge.
- the invention aims to improve the shrink ring known by the document EP-A-0 610 108, as presented above.
- connection element is connected to one end of the strip by a fixing member arranged against the edge anchoring by the establishment of said connecting element, to the fact that the connection between the strip and the connecting element is free of play and the fact that the thickness of the ring in the region of the connecting element is substantially equal to the thickness of the strip.
- the member (s) of fixation are directly formed by a backflow of the material against the or the anchoring edges of the connecting element or by a portion of strip remaining against the anchor edge after cutting the strip by the connecting element, which remains in place in the cutout.
- the quality of connection between the connecting element and the strip is reinforced by the absence of play, so that the ring is extremely solid and the connection of its ends more resistant to the necking operation carried out during the place the ring on the object to be tightened.
- the connecting element is embedded in the band.
- the connecting element is consisting of a separate piece of tape
- the anchor edge (s) can then be formed by the edges of at least one opening of the part or by an appropriate conformation (indentations, angular cuts ...) of the surface of said part, that is to say of at least one of its faces and / or of its periphery.
- the connecting element consists of a first end of the strip comprising at least an anchor edge.
- this anchoring edge is formed by a openwork and the first and second ends of the strip are crushed one against the other, a stud belonging to the second end being formed in said opening.
- the invention also relates to an installation for manufacturing a shrinking ring comprising means for winding a strip metallic on itself and to bind the ends of said strip by a connecting element having at least one anchoring edge.
- the invention aims to provide a simple installation, which can operate at high production rates to allow reliable and virtually backlash-free shrink ring manufacturing in the region of the connection of its ends.
- the installation of the invention comprises means for placing the connecting element against a end of the strip, so that at least one anchoring edge of said strip connecting element is located opposite said end, as well as a tool press intended to exert pressure on the connecting element so repelling the material from said end of the strip which is under the connecting element while providing in this end a member of fixing able to cooperate with said anchoring edge to retain one by relative to the other the connecting element and said end of the strip, such so that the thickness of the ring in the region of the connecting element is substantially equal to the thickness of the strip.
- Means for arranging the extreme edges of the facing strip one of the other can for example equip a winding station, in which the strip is gradually wound on itself until its extreme edges are placed end to end or practically end to end end.
- the connecting element may consist of a piece of link supplied from a store, which can be set up against the strip by means of gripping, wedging and positioning.
- the tool press works for example in the manner of a punch biased back and forth between a rest position in which it allows the establishment a strip and a connecting piece facing said tool, and a position of work in which it performs the pressure operation of the connecting piece.
- the strip can be held in a counter-tool of rigging.
- the connecting element can be directly constituted by a first end of the strip, in which case the installation advantageously comprises means for conforming said end as a connecting element with minus an anchor edge (openwork %), while the winding station places the two ends of the strip against each other.
- Figure 1 shows a metal strip 10, for example steel or made of aluminum, of the type suitable for making a ring to be constricted.
- This strip is for example cut from a strip and has a thickness substantially constant over its entire length.
- the two ends 10A and 10B of the latter are brought together one from the other. This is for example carried out during a rolling operation which can be carried out in several successive phases, of which figure 2 shows the beginning.
- the strip can be completely wound on itself so that its extreme edges 11A and 11B (free edges of the ends 10A and 10B) are arranged end to end or substantially end to end.
- Figure 3A shows this situation.
- a connecting element having the form of a separate piece 12 from the strip 10 is brought into the region of the ends 10A and 10B.
- this piece has a plurality of openings. In the present case, it comprises two series of three openings 14 arranged on either side of a transverse line of symmetry M.
- This piece 12 is arranged against the strip so that at least an opening 14 is placed on the first end 10A of the strip and that minus another opening is placed on the second end 10B of this bandaged.
- the connecting piece can be placed against the strip in upstream of the station in which the pressure step is carried out or in this station. It is temporarily held in place against the tape by means of provisional maintenance. It can be claws or the like, spring-mounted and likely to retract or be concealed in the thickness of the press tool when carrying out the pressing step.
- these holding means are constituted by a blank press 16 which presses the region of the ends of the ring against the counter-tool 20.
- This blank press has a liner 16A in which the press tool 18 slides with practically zero play, this liner having a section corresponding to that of the press tool and to contour of the connecting piece, so that this piece is held by the lining wall.
- the blank press 16 has an opening (for example a slot 16B) which is released in said inactive position.
- this connecting piece either in place when the blank holder is moved away from the strip.
- the manufacturing facility includes means for placing the connecting element, for example the connecting piece 12, on the press tool and that this tool is able to carry this connecting element to arrange it against the strip, continuously the pressure operation.
- the connecting piece 12 can be carried by the active face 18A of the press tool 18 which for this purpose comprises means timing or temporary maintenance.
- the connecting piece can be retained by means of the electromagnet type.
- the strip or at least the region of its ends 10A and 10B, is maintained by being wedged between the counter tool 20 and the blank press 16.
- the press tool can be moved between an inactive position, shown in Figures 3A and 3B, in which it allows the establishment of the band in the press station the installation, and an active position in which it performs the step of pressure.
- the strip has been shaped so that it has a given curvature in the region of its ends 10A and 10B from before the fitting of the connecting piece.
- this curvature already corresponds to the curvature that the ring to shrink complete.
- the active face 18A of the press tool 18 also has a curvature substantially equal to this curvature given, which allows the connecting part to be properly conformed.
- this part can, prior to its placed on the strip, having been shaped so as to present substantially the same curvature as the strip in the region of its ends 10A and 10B.
- the ends 10A and 10B of the strip have been brought together so as to be substantially contiguous but the tape has not been rolled in the region of its ends, regions that remain therefore substantially flat.
- the part 12 is also flat, of same as the active face 18'A of the press tool 18 '.
- the active face, 18A or 18'A of the press tool has recesses, respectively 19 and 19 ', which, during the press operation, are arranged in correspondence with the openings 14 of the connecting piece 12.
- Such recesses are also visible on the active face 28A of the press tool 28 of FIG. 6, which presents two series of three corresponding recesses 29 respectively in the openings 14 of the part 12.
- the active face of the press tool has solid parts 18B, 18'B, 28B arranged in correspondence with the solid parts of the room.
- FIGs 4 and 7 show, for two variants, the finished ring, in the region of its interconnected ends.
- the coin connecting 12 has been arranged on the inside of the ring.
- this part is practically embedded in the thickness of the ring, the thickness E of the ring in the region of the connecting piece being substantially equal to its current thickness E '.
- This current thickness corresponds to the thickness of the strip 10 in which the ring is formed; this is the thickness the ring (except possibly in the region of the studs 15) before its necking.
- the thickness e of the connecting piece is less than the thickness E ', by example of the order of half this thickness E '.
- the active face 28A of the tool press is concave, the connecting piece 12 being arranged on the outside of the ring as shown in Figure 7.
- This variant has the advantage to prevent any protrusion of the studs 15 beyond the face of the connecting piece does not injure the object to be tightened.
- Figure 5 shows, in top view, the region of the ring which includes the connecting piece 12. This figure corresponds to a view according to the arrow F in FIG. 4 or according to arrow G in FIG. 7.
- the width L12 of the part 12 is less at the width L of the strip 10. These two widths are measured in the direction axial of the ring to be shrunk.
- the connecting piece is arranged so that leave longitudinal margins of strips, respectively 13A and 13B, on either side of the longitudinal edges 12A and 12B of the workpiece link.
- the longitudinal direction is that of the length of the strip 10.
- the connecting piece is therefore embedded not only in the thickness of the strip, but also in the width of the latter. This feature has the advantage of further strengthening the connection between the two ends of the strip, since the connecting piece is not accessible from either of the longitudinal edges of the bandaged.
- the pressure step can be followed by a step in which the excess material can be eliminated.
- the forms of the press tool and the press counter tool are determined so as to control the discharge of the material from the strip in certain areas. This repression obviously takes place preferably through the openings of the connecting piece to create the fixing studs 15. As indicated above, a side discharge can be authorized in the zones 21 '.
- the repressed material can also fill a possible clearance between the edges extremes 11A and 11B of the strip when these edges are arranged in look at each other.
- the pressure step is carried out so that the material of the strip is crushed and pushed back preferentially to the material of the connecting piece 12.
- Those skilled in the art can adjust accordingly (travel speed, maximum pressure, delivery area preferential) the different parameters of the pressure step.
- the connecting piece may be made of steel coated with aluminum, the steel being hardened so as to have a mechanical resistance of the order of 600 to 1000 N / mm 2 , for example of the order of 930 N / mm 2
- the strip may be made of aluminum having a mechanical strength of the order of 300 N / mm 2 .
- the connecting piece and the strip are made from the same basic material but that, after their cutting in the strip, they have undergone a work hardening or a heat treatment giving greater resistance to the piece of binding only to the band.
- the ends 10A and 10B of the strip are connected by a connecting piece 22 whose outline forms the anchoring edges.
- the ends 22A and 22B of the connecting piece form wide heads, of width L22, while the intermediate section 23 is thinner. So the extreme edges 25 of heads 22A and 22B form anchoring edges ensuring the connection against compression forces of the ends 10A and 10B towards each other, while the "internal" edges 27 (neighbors of the section 23) heads 22A and 22B provide the connection against tensile forces of the ends 10A and 10B relative to each other.
- These anchor edges cooperate with the fastening members 25 'and 27' of the band pushed back against said anchoring edges during the establishment of the connecting piece.
- the connecting piece 22 may have openings 24, shown in broken lines, the edges of which form edges additional anchors.
- Figure 9 shows a connecting piece 32 having a central aperture 34 disposed astride the ends 10A and 10B of the strip.
- the repression of the material of the strip during the positioning of this part of pressure connection forms a fixing stud 35 belonging in part at each of the ends 10A and 10B.
- the edges of the aperture 34 which are oriented transversely to the length of the strip form edges anchor resistant to tensile forces, while the ends 39 of the connecting piece resist compressive forces by cooperating with the fixing members 39 'pushed against these edges during the installation of the connecting piece.
- the connecting piece 42 has openings 44 whose edges 43 protrude from the underside of the connecting piece.
- these edges 43 are anchored in the thickness of the strip.
- fixing pads formed by the discharge of the material the band and participating in the holding of the link, provision is advantageously made that the total height h of the edges 43, measured from the face of the workpiece connection opposite them, ie less than the current thickness E 'of the bandaged. If the height h is equal to the thickness E ', the strength of the connection will be obtained by anchoring the edges 43 in the strip and by the extreme edges 49 of the connecting piece, the material pushed back into the openings 44 being able possibly be eliminated later.
- FIGS. 8 to 10 are given by way of examples not limiting. We can imagine other variants such as the presence indentations, grooves or the like on the underside of the workpiece link. To control the discharge of material and expel the air which is pushed forward of this material, the grooves or the like may communicate with the ambient air, on the edges of the connecting piece or by openings of the latter.
- the connecting piece is placed against the first end of the strip by placing at least one first anchoring edge on the first end of said strip, pressure is exerted on the connecting piece of so as to repel the material from said first end which is under the connecting piece while providing, in this first end, at less a first fixing member able to cooperate with the first edge the second end of the strip against the workpiece connection by placing said second end opposite at least one second anchor edge of the connecting piece and pressure is exerted on said piece so as to repel the material from said second end while providing, in this second end, at least a second fixing member capable of cooperating with the second anchoring edge.
- This variant may also target the second embodiment (cut) exposed below.
- Figure 11 shows, in top view, the strip 110 from which is made the ring to shrink according to this variant. It is by example of a strip analogous to strip 10, cut from a strip of material usually used to make the rings swaging.
- this first end 110A has undergone a conforming step in which at least one has practiced an anchoring edge in said first end.
- FIGS. 11 to 13 several anchoring edges are provided and are formed by the edges of the openings 114.
- a punching tool 132 placed in a station punching comprising a punching counter-tool 130 on which is disposed the end 110A of the strip, and the punching tool 132 being movable perpendicular to the counter-tool between a position separated from the band and an active punching position.
- the punching tool includes a number of punches 134 adapted to the openings that one wishes practice.
- the end 110A of the strip is arranged in a recess in the form of recess 136 which the counter-tool has 130.
- This housing itself has cavities 138 allowing the punch to cross the strip right through and allowing the evacuation of waste from perforation 114 '.
- the connecting element 112 has a thickness e less than the current thickness E 'of the strip 110. It is therefore possible to use the punching tool 132 also as a press tool which is used for reduce the thickness of the end 110A during the punching operation. A clearance 140 is then provided between the punching counter-tool and the punching tool to allow the material to be pushed back surplus. For example, this clearance 140 is produced using a suitable form of housing 136.
- the perforated end 110A which constitutes the connecting element 112 with the other end 110B of the strip and we realize the pressing step using a press tool 128.
- the end 110B of the band is held in place in the counter tool 120 and the press tool 128 is moved to this counter tool so as to apply pressure to the 110A end of the strip leading to a backflow of the material the end 110B of the strip through the openings 114 to form studs of fixation.
- excess material from the end 110B can also be pushed back. This repression of matter excess can fill any gaps and be eliminated by the after.
- the process of realization of the ring to be restricted advantageously comprises a step in which the strip 110 is subjected to a treatment giving its first end 110A has greater mechanical resistance than presents the second end.
- This treatment may interest a region of the strip which includes the end 110B, the desired reduction of which is mechanical resistance compared to the initial mechanical resistance, or otherwise interest a part of the strip which includes its 110A end to increase the mechanical resistance.
- the method advantageously includes a final rolling step of the ring to be shrunk and elimination of excess material due to discharge, first, from the end 110A and, then, from the end 110B.
- Figures 14 and 15 show a variant for the shape of the end 110A of the strip which carries the connecting element 142. This is made by crushing the 110A end which reduces its thickness (up to approximately half the current thickness of the strip) and by elimination (cutting) of the waste shown in broken lines and designated by the reference 142 '. This "punching" (crushing + cutting) can be done in one or two passes.
- this cutting results in giving element 142 is substantially T-shaped, with a free end formed by a wide head 142A connected to the strip by a thinner trunk 143, the head width may be equal to or less than the current width of the bandaged.
- This T shape is an example of the case where the edges anchor of the connecting element which is formed at one end of the strip are formed on the contour or surface of this connecting element.
- an anchoring edge 145 is formed at the free end of head 142A and two anchoring edges 147 are formed on the edge "internal" of this head.
- such a connecting element may have one or more openings, such as openwork 144 shown in broken lines.
- connecting element connects the ends of the strip by filling in a cut made by this connecting element.
- the ends 210A and 210B of the strip 210 are placed end to end in a cutting and joining station.
- the element of connection constituted by a piece 212 is disposed against these ends in being maintained in a suitably shaped liner 216A produced in a blank press 216.
- other means of support are possible (claws ).
- the extremities of the strip are held between the blank press 216 and a counter-tool of cutout 220 which has a cavity 220A generally having the shape of the Exhibit 212 and allowing the evacuation of cutting waste. So we have indicated waste 210'A and 210'B from the previous cut.
- Press tool 218 has an active face 218A of suitable shape to that of the connecting piece. It is movable back and forth in the liner 216A enters an inactive position shown in Figure 16 (in which the means 216B for positioning the connecting piece are released) and an active press position.
- the blank press 216 and / or the counter tool 220 are movable to allow insertion of the ends of the strip and their hold in locked position.
- the stroke of tool 218 is adjusted so that to allow the cutting of the ends of the strip while arranging the part link 212 so that it takes the place of waste from cutting eliminated.
- connection between the connecting piece and the strip is made without play.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Forging (AREA)
- Bolts, Nuts, And Washers (AREA)
- Wire Processing (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
- la figure 1 montre, en vue de côté, une bande à partir de laquelle peut être fabriquée une bague à rétreindre selon l'invention,
- la figure 2 montre la bande de la figure 1 au cours de son processus d'enroulement,
- la figure 3A illustre la jonction des extrémités de cette bande à l'aide d'une pièce de liaison, selon une première variante,
- la figure 3B est une vue analogue à la figure 3A, montrant une deuxième variante,
- la figure 4 montre la bague des figures précédentes, dans la région des extrémités de la bande,
- la figure 5 est une vue de dessus de la bague montrant la zone de la liaison des extrémités de la bande,
- la figure 6 montre, en coupe, un outil de presse permettant de fabriquer la bague de la figure 5,
- la figure 7 est une vue partielle de la bague de la figure 5, en coupe selon la ligne VII-VII,
- les figures 8 et 9 sont des vues partielles de bagues réalisées conformément au premier mode de réalisation, avec différentes formes de pièces de liaison,
- la figure 10 montre, en vue de côté, les extrémités de la bande avant leur liaison à l'aide d'une pièce de liaison représentée en coupe longitudinale,
- la figure 11 montre, en vue de dessus, une bande servant à réaliser une bague à rétreindre selon une variante de réalisation et illustre la conformation de sa première extrémité en élément de liaison,
- la figure 12 est une coupe selon la ligne XII-XII de la figure 11,
- la figure 13 illustre la liaison des deux extrémités de cette bande pour former la bague à rétreindre,
- la figure 14 montre une variante de l'élément de liaison de la figure 11,
- la figure 15 est une vue de côté de la figure 14,
- la figure 16 est une vue analogue à la figure 3A pour le deuxième mode de réalisation de l'invention, dans lequel la liaison des extrémités de la bande est réalisée par découpe à l'aide d'une pièce de liaison, et
- la figure 17 est une vue partielle dans la région des extrémités de la bande après leur liaison à l'aide.de la pièce de liaison de la figure 16.
Claims (26)
- Procédé de fabrication d'une bague à rétreindre comprenant une bande métallique (10, 110, 210) enroulée sur elle-même, dont les extrémités (10A, 10B ; 110A, 110B ; 210A, 210B) sont liées par un élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142 ; 212), présentant au moins un bord d'ancrage (14 ; 24, 25, 27 ; 34, 39 ; 43, 44 ; 114 ; 145, 147 ; 225, 227)
caractérisé en ce que, pour raccorder ledit élément de liaison à une extrémité (10A, 10B ; 110B ; 210A, 210B) de la bande (10, 110, 210), on dispose l'élément de liaison contre ladite extrémité de telle sorte que ledit bord d'ancrage de l'élément de liaison se trouve en regard de cette extrémité et on exerce une pression sur l'élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142 ; 212) de manière à repousser la matière de ladite extrémité de la bande qui se trouve sous l'élément de liaison tout en ménageant dans cette extrémité un organe de fixation (15 ; 25', 27' ; 35, 39' ; 225', 227') apte à coopérer avec ledit bord d'ancrage pour retenir l'un par rapport à l'autre l'élément de liaison et ladite extrémité de la bande, de telle sorte que l'épaisseur (E) de la bague dans la région de l'élément de liaison soit sensiblement égale à l'épaisseur (E') de la bande. - Procédé selon la revendication 1, caractérisé en ce que l'on fournit un élément de liaison constitué par une pièce de liaison (12 ; 22 ; 32 ; 42 ; 212) distincte de la bande (10, 210), cette pièce présentant au moins deux bords d'ancrage (14 ; 24, 25, 27 ; 34, 39 ; 43, 44 ; 225, 227) et en ce que l'on ménage au moins un organe de fixation (15 ; 25', 27' ; 35, 39' ; 225', 227') dans chacune des deux extrémités de la bande (10A, 10B ; 210A, 210B), lesdits organes de fixation étant respectivement aptes à coopérer avec chacun desdits bords d'ancrage pour respectivement relier la pièce de liaison à la première et à la deuxième extrémité de la bande.
- Procédé selon la revendication 2, caractérisé en ce que l'on fournit une pièce de liaison (12, 22, 42, 212) dont la largeur maximale (L12, L22, L212) est inférieure à la largeur (L) de la bande (10, 210) et en ce que l'on dispose cette pièce de manière à laisser subsister des marges longitudinales (13A, 13B) de bande (10) le long des bords longitudinaux (12A, 12B) de ladite pièce (12, 22, 42, 212).
- Procédé selon la revendication 3, caractérisé en ce que l'on dispose les bords extrêmes (11A, 11B) de la bande (10 ; 210) en regard l'un de l'autre, en ce que l'on dispose la pièce de liaison (12 ; 22 ; 32 ; 42 ; 212) contre la bande en plaçant au moins un premier bord d'ancrage (14 ; 25, 27 ; 34, 39 ; 43 ; 225, 227) sur la première extrémité (10A ; 210A) de la bande (10 ; 210) et au moins un deuxième bord d'ancrage (14 ; 25, 27 ; 34, 39 ; 43 ; 225, 227) sur la deuxième extrémité (10B ; 210B) de la bande et en ce que l'on exerce une pression de manière à repousser la matière des deux extrémités (10B ; 210B) de la bande sous la pièce de liaison tout en ménageant un organe de fixation (15 ; 25 ; 27' ; 35, 39' ; 225', 227') dans chacune de ces deux extrémités, ces organes de fixation étant respectivement aptes à coopérer avec lesdits premier et deuxième bords d'ancrage.
- Procédé selon la revendication 3, caractérisé en ce que l'on dispose la pièce de liaison (12 ; 22 ; 32 ; 42 ; 212) contre la première extrémité (10A ; 210A) de la bande (10 ; 210) en plaçant au moins un premier bord d'ancrage (14 ; 25, 27 ; 34, 39 ; 43 ; 225, 227) sur la première extrémité (10A ; 210A) de ladite bande (10 ; 210), on exerce une pression sur la pièce de liaison (12 ; 22 ; 32 ; 42 ; 212) de manière à repousser la matière de ladite première extrémité (10A ; 210A) qui se trouve sous la pièce de liaison tout en ménageant, dans cette première extrémité, au moins un premier organe de fixation (15 ; 25 ; 27' ; 35, 39' ; 225', 227') apte à coopérer avec le premier bord d'ancrage, on dispose la deuxième extrémité (10B ; 210B) de la bande contre la pièce de liaison en plaçant ladite deuxième extrémité en regard d'au moins un deuxième bord d'ancrage de la pièce de liaison et on exerce une pression sur ladite pièce de manière à repousser la matière de ladite deuxième extrémité (110B) tout en ménageant, dans cette deuxième extrémité, au moins un deuxième organe de fixation apte à coopérer avec le deuxième bord d'ancrage (14 ; 25, 27 ; 34, 39 ; 43 ; 225, 227).
- Procédé selon la revendication 1, caractérisé en ce que l'on réalise l'élément de liaison (112 ; 142) dans une première extrémité (110A) de la bande (110) au cours d'une étape de conformation et en ce que, pour relier les deux extrémités de la bande, on superpose la première extrémité conformée (112 ; 142) avec la deuxième extrémité (110B) de la bande (110) et on exerce ladite pression.
- Procédé selon la revendication 6, caractérisé en ce que l'on soumet la bande (110) à un traitement conférant à la première extrémité (110A) de ladite bande une résistance mécanique supérieure à la résistance mécanique de la deuxième extrémité (110B) de la bande.
- Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'on utilise un élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142) ayant une épaisseur (e ; h) inférieure à l'épaisseur courante (E') de la bande, en ce que l'on dispose cet élément de liaison contre une extrémité de la bande et en ce que l'on exerce une pression sur ledit élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142) de manière à écraser ladite extrémité de la bande jusqu'à ce que l'épaisseur (E) de la bague dans la région de l'élément de liaison soit sensiblement égale à l'épaisseur courante (E') de la bande et à occasionner un refoulement de la matière de cette extrémité (10A, 10B ; 110B) conduisant à la formation d'au moins un élément de retenue contre le bord d'ancrage de l'élément de liaison.
- Procédé selon la revendication 8, caractérisé en ce que l'on utilise un élément de liaison (12; 22 ; 32 ; 42 ; 112 ; 142) ayant au moins un ajour (14 ; 24 ; 34 ; 44 ; 114 ; 144) dont le bord forme un bord d'ancrage et en ce que la pression exercée sur l'élément de liaison occasionne un refoulement de la matière de la bande métallique (10 ; 110) conduisant à la formation d'un plot de fixation (15, 35) dans ledit ajour.
- Procédé selon la revendication 9, caractérisé en ce que l'on fournit un élément de liaison constitué par une pièce de liaison (12 ; 22 ; 42) distincte de la bande, cette pièce présentant au moins deux ajours (14 ; 24 ; 44) et en ce que l'on dispose la pièce et on exerce une pression sur cette dernière de manière à occasionner un refoulement de la matière de la première extrémité (10A) de la bande (10) conduisant à la formation, dans un premier ajour de la pièce de liaison, d'un premier plot de fixation (15) appartenant à ladite première extrémité et à occasionner un refoulement de la matière de la deuxième extrémité (10B) de la bande conduisant à la formation, dans un deuxième ajour de la pièce de liaison, d'un deuxième plot de fixation (15) appartenant à ladite deuxième extrémité.
- Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'on exerce une pression sur l'élément de liaison (212) de manière à découper de la bande (210) la matière repoussée par ledit élément de liaison et jusqu'à ce que ce dernier prenne la place de la matière découpée et repoussée (210'A, 210'B), et l'on élimine la matière découpée et repoussée.
- Procédé selon la revendication 11, caractérisé en ce que l'on utilise un élément de liaison constitué par une pièce de liaison (212) distincte de la bande, dont le contour définit des bords d'ancrage et de découpe (225, 227).
- Bague à rétreindre comprenant une bande métallique (10 ; 110 ; 210) enroulée sur elle-même, dont les extrémités (10A, 10B ; 110A, 110B ; 210A, 210B) sont liées par un élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142 ; 212) présentant au moins un bord d'ancrage (14 ; 25, 27 ; 34, 39 ; 43 ; 114 ; 144, 145, 147 ; 225, 227),
caractérisée en ce que l'élément de liaison est raccordé à une extrémité (10A, 10B ; 110B ; 210A, 210B) de la bande par au moins un organe de fixation (15 , 25', 27' ; 35, 39' ; 225', 227') ménagé contre le bord d'ancrage par la mise en place dudit élément de liaison, en ce que la liaison entre la bande (10 ; 110 ; 210) et l'élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142 ; 212) est exempte de jeu et en ce que l'épaisseur (E) de la bague dans la région de l'élément de liaison est sensiblement égale à l'épaisseur (E') de la bande. - Bague à rétreindre selon la revendication 13, caractérisée en ce que l'élément de liaison est constitué par une pièce de liaison (32), distincte de la bande et comportant au moins un ajour (34) disposé à cheval sur les deux extrémités (10A, 10B) de la bande.
- Bague à rétreindre selon la revendication 13, caractérisée en ce que l'élément de liaison est constitué par une pièce de liaison (12 ; 22 ; 42), distincte de la bande et comportant au moins deux ajours (14 ; 24 ; 44) dans lesquels sont formés par refoulement deux plots de fixation (15) appartenant respectivement à chacune des deux extrémités de la bande.
- Bague à rétreindre selon l'une quelconque des revendications 13 à 15, caractérisée en ce que l'élément de liaison est constitué par une pièce de liaison (22 ; 32 ; 42 ; 212) présentant des bords d'ancrage (25, 27 ; 39 ; 43 ; 225, 227) formés sur sa surface.
- Bague à rétreindre selon la revendication 16, caractérisée en ce que la pièce de liaison (212) présente une épaisseur (E212) sensiblement égale à l'épaisseur courante (E) de la bande (210).
- Bague à rétreindre selon l'une quelconque des revendications 14 à 16, caractérisée en ce que la pièce de liaison (12 ; 22 ; 32 ; 42) présente une épaisseur moyenne (e) sensiblement égale à la moitié de l'épaisseur courante (E') de la bande (10).
- Bague à rétreindre selon l'une quelconque des revendications 14 à 18, caractérisée en ce que la pièce de liaison (12 ; 22 ; 42 ; 212) présente une largeur (L12 ; L22 ; L212) inférieure à la largeur (L) de la bande (10 ; 210) et en ce que des marges longitudinales (13A, 13B) de bande sont ménagées le long des bords longitudinaux (12A, 12B) de la pièce de liaison (12 ; 22 ; 42 ; 212).
- Bague à rétreindre selon la revendication 13, caractérisée en ce que l'élément de liaison (112 ; 142) est constitué par une première extrémité (110A) de la bande (110) comprenant au moins un bord d'ancrage (114 ; 145, 147), les première et deuxième extrémités (110A, 110B) de la bande étant écrasées l'une contre l'autre, et un organe de fixation appartenant à la deuxième extrémité (110B) étant formé contre ledit bord d'ancrage.
- Bague à rétreindre selon l'une quelconque des revendications 13 à 20, caractérisée en ce que l'élément de liaison (12 ; 22; 32 ; 42 ; 112 ; 142 ; 212) présente une résistance mécanique supérieure à la résistance mécanique que présente la ou les extrémités (10A, 10B ; 110B ; 210A, 210B) de la bande avec laquelle il coopère.
- Installation de fabrication d'une bague à rétreindre comprenant des moyens pour enrouler une bande métallique (10 ; 110 ; 210) sur elle-même et pour lier les extrémités (10A, 10B ; 110A, 110B ; 210A, 210B) de ladite bande par un élément de liaison (12 ; 22 ; 32 , 42 ; 112 ; 142 , 212) présentant au moins un bord d'ancrage (14 ; 25, 27 ; 34, 39 ; 43 ; 114 ; 145, 147 ; 225, 227),
caractérisée en ce qu'elle comprend des moyens pour disposer l'élément de liaison contre une extrémité (10A, 10B ; 110B ; 210A, 210B) de la bande, de telle sorte qu'au moins un bord d'ancrage dudit élément de liaison se trouve en regard de ladite extrémité, ainsi qu'un outil de presse (18 ; 18' ; 28 ; 128 ; 218) destiné à exercer une pression sur l'élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142 ; 212) de manière à repousser la matière de ladite extrémité de la bande (10A, 10B ; 110B ; 210A, 210B) qui se trouve sous l'élément de liaison tout en ménageant dans cette extrémité un organe de fixation (15 ; 25 ; 27' ; 35, 39' ; 225, 227) apte à coopérer avec ledit bord d'ancrage pour retenir l'un par rapport à l'autre l'élément de liaison et ladite extrémité de la bande, de telle sorte que l'épaisseur (E) de la bague dans la région de l'élément de liaison soit sensiblement égale à l'épaisseur (E') de la bande. - Installation selon la revendication 22, caractérisée en ce que l'outil de presse (18 ; 18' ; 28 ; 128 ; 218) comporte une face active de pression (18A ; 18'A ; 28A ; 218A) ayant une forme analogue à la forme de la zone de l'élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142 ; 212) avec laquelle ladite face active est destinée à coopérer.
- Installation selon la revendication 23, caractérisée en ce que l'élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142) présente au moins un ajour (14 ; 24 ; 34 ; 44 ; 144) et en ce que la face active de pression (18A ; 18'A ; 28A) présente au moins un renfoncement (19 ; 19' ; 29) susceptible d'être disposé en correspondance avec le ou les ajours (14 ; 24 ; 34 ; 44 ; 114 ; 144) de l'élément de liaison et au moins une partie pleine (18B ; 18'B ; 28B) susceptible d'être disposée en concordance avec la ou les zones pleines de l'élément de liaison (12 ; 22 ; 32 ; 42 ; 112 ; 142 ; 212).
- Installation selon l'une quelconque des revendications 22 à 24, caractérisée en ce que les moyens pour enrouler la bande métallique (10 ; 110) sur elle-même sont aptes à conformer la bande en lui donnant une courbure donnée dans la région de ses extrémités (10A, 10B ; 110A ; 110B) avant la disposition de l'élément de liaison contre une extrémité de la bande et en ce que l'outil de presse (18 ; 28 ; 128 ; 218) comporte une face active (18A ; 28A ; 218A) présentant une courbure sensiblement égale à ladite courbure donnée.
- Installation selon l'une quelconque des revendications 22 à 25, caractérisée en ce qu'elle comporte des moyens (130, 132) pour conformer une première extrémité (110A) de la bande (110) en élément de liaison (112 ; 142) comprenant un outil de poinçonnage (132) apte à pratiquer au moins un bord d'ancrage (114 ; 145, 147) dans ladite première extrémité.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9902476 | 1999-02-26 | ||
FR9902476A FR2790213B1 (fr) | 1999-02-26 | 1999-02-26 | Bague a retreindre, procede de fabrication et installation de fabrication |
PCT/FR2000/000469 WO2000050182A1 (fr) | 1999-02-26 | 2000-02-25 | Bague a retreindre, procede de fabrication et installation de fabrication. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1156895A1 EP1156895A1 (fr) | 2001-11-28 |
EP1156895B1 true EP1156895B1 (fr) | 2003-06-11 |
Family
ID=9542626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00907722A Expired - Lifetime EP1156895B1 (fr) | 1999-02-26 | 2000-02-25 | Bague a retreindre, procede de fabrication et installation de fabrication. |
Country Status (11)
Country | Link |
---|---|
US (1) | US6557216B1 (fr) |
EP (1) | EP1156895B1 (fr) |
JP (1) | JP2002537122A (fr) |
AR (1) | AR022747A1 (fr) |
AU (1) | AU2921500A (fr) |
BR (1) | BR0008198A (fr) |
DE (1) | DE60003290T2 (fr) |
ES (1) | ES2200830T3 (fr) |
FR (1) | FR2790213B1 (fr) |
TW (1) | TW527237B (fr) |
WO (1) | WO2000050182A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6808549B2 (ja) * | 2017-03-16 | 2021-01-06 | 日本発條株式会社 | 車両用のスタビライザ及び該スタビライザの製造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US789193A (en) * | 1903-04-27 | 1905-05-09 | Western Electric Co | Splicing-tool. |
US1812151A (en) * | 1928-01-27 | 1931-06-30 | Alco Products Inc | Method of welding |
DE951843C (de) * | 1953-11-22 | 1956-11-08 | Bosch Gmbh Robert | Nietverbindung von stumpf aneinanderstossenden, plattenfoermigen Bauteilen |
DE1297206B (de) * | 1963-08-20 | 1969-06-12 | Siemens Ag | Verfahren zum Herstellen von Schmelzleitern in Bandform fuer traege Schmelzeinsaetze |
GB1202926A (en) * | 1967-08-01 | 1970-08-19 | Standard Telephones Cables Ltd | A method of joining metal parts |
US3510624A (en) * | 1968-01-10 | 1970-05-05 | Gen Electric | Combined mechanical and welded joint and method of making |
JPS5171576A (ja) * | 1974-12-18 | 1976-06-21 | Puresu Gijutsu Kenkyusho Kk | Puresukikainikyokyusuru koiruzaitanmatsusetsuzokuhoho |
JPS5695431A (en) * | 1979-12-29 | 1981-08-01 | Matsushita Electric Works Ltd | Coupling |
DE4021746A1 (de) * | 1990-07-07 | 1992-01-16 | Gkn Automotive Ag | Endloser spannring zur befestigung von faltenbaelgen |
US5185908A (en) * | 1991-11-18 | 1993-02-16 | Hans Oetiker Ag Maschinen- Und Apparatefabrik | Method for connecting two parts along abutting edges and connection obtained thereby |
FR2700980B1 (fr) * | 1993-02-01 | 1995-04-21 | Caillau Ets | Bague à rétreindre et son procédé de fabrication. |
ES2126434B1 (es) * | 1995-05-26 | 2000-01-01 | Mikalor Sa | Mejoras introducidas en los medios de abrochado de los extremos de la lamina formativa de abrazaderas de banda metalica. |
US5768752A (en) * | 1996-04-17 | 1998-06-23 | Hans Oetiker Ag Maschinen-Und Apparatefabrik | Puzzle-lock compression ring |
HU226030B1 (en) * | 1998-02-02 | 2008-03-28 | Oetiker Hans Maschinen | Arrangement for connecting the edges of two strips, for instance of a locking ring or band and locking element |
-
1999
- 1999-02-26 FR FR9902476A patent/FR2790213B1/fr not_active Expired - Lifetime
-
2000
- 2000-02-23 TW TW089103119A patent/TW527237B/zh not_active IP Right Cessation
- 2000-02-25 US US09/914,072 patent/US6557216B1/en not_active Expired - Lifetime
- 2000-02-25 EP EP00907722A patent/EP1156895B1/fr not_active Expired - Lifetime
- 2000-02-25 BR BR0008198-1A patent/BR0008198A/pt not_active IP Right Cessation
- 2000-02-25 DE DE60003290T patent/DE60003290T2/de not_active Expired - Lifetime
- 2000-02-25 AR ARP000100803A patent/AR022747A1/es active IP Right Grant
- 2000-02-25 WO PCT/FR2000/000469 patent/WO2000050182A1/fr active IP Right Grant
- 2000-02-25 AU AU29215/00A patent/AU2921500A/en not_active Abandoned
- 2000-02-25 ES ES00907722T patent/ES2200830T3/es not_active Expired - Lifetime
- 2000-02-25 JP JP2000600786A patent/JP2002537122A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE60003290T2 (de) | 2004-05-06 |
ES2200830T3 (es) | 2004-03-16 |
WO2000050182A1 (fr) | 2000-08-31 |
FR2790213B1 (fr) | 2001-05-18 |
TW527237B (en) | 2003-04-11 |
JP2002537122A (ja) | 2002-11-05 |
BR0008198A (pt) | 2002-02-05 |
DE60003290D1 (de) | 2003-07-17 |
FR2790213A1 (fr) | 2000-09-01 |
AR022747A1 (es) | 2002-09-04 |
US6557216B1 (en) | 2003-05-06 |
AU2921500A (en) | 2000-09-14 |
EP1156895A1 (fr) | 2001-11-28 |
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