EP3383562B1 - Mechanical spreading apparatus - Google Patents
Mechanical spreading apparatus Download PDFInfo
- Publication number
- EP3383562B1 EP3383562B1 EP16819530.3A EP16819530A EP3383562B1 EP 3383562 B1 EP3383562 B1 EP 3383562B1 EP 16819530 A EP16819530 A EP 16819530A EP 3383562 B1 EP3383562 B1 EP 3383562B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- central rod
- plates
- bevels
- spreading
- spacer
- 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.)
- Active
Links
- 230000003100 immobilizing effect Effects 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 description 49
- 238000000926 separation method Methods 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
- B21D41/028—Enlarging by means of mandrels expandable mandrels
-
- 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
- B21D39/08—Tube expanders
-
- 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
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
-
- 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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/12—Straightening vehicle body parts or bodies
-
- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/021—Enlarging by means of tube-flaring hand tools
Definitions
- the invention relates to the technical field of mechanical spacers, used in particular for straightening the chassis of a vehicle.
- the invention relates more particularly to a hydraulic retractor for straightening a spar of the chassis of a vehicle.
- the invention relates to a mechanical spacer according to a spacing axis according to the preamble of claim 1, as disclosed in the document US 2,606,469 A .
- the document CN102275154 discloses a hydraulic spacer comprising spacer arms actuated by a hydraulic piston. This type of spacing can be used in bodywork, in particular for straightening the frame rails of a vehicle curved due to an accident. Once the spars are straightened using a straightening square, a crease is usually observed at the initial curvature. It is then necessary to introduce a spacer tool inside the spar which is generally a beam with a hollow section. It has however been observed that the device disclosed in the document of the prior art was difficult to use and did not offer optimal performance to remove the wrinkles observed in the side members.
- An object of the invention is to overcome the disadvantages of the prior art described above.
- the present application therefore aims to provide a retractor easy to use and effective in bodywork straightening work, in particular to remove the wrinkles observed in the frame members of a vehicle.
- the invention relates to a mechanical spacer along a spacing axis, characterized in that it comprises a support and two spacer plates, each spacer plate comprising at least one bevel, and in that it also comprises a central rod capable of sliding in said support between the two spacer plates, said central rod comprising a plurality of bevels having a profile complementary to the bevels of said spacer plates, the bevels of said central rod being in contact with the bevels of said spacer plates, said spacer also comprising biasing means able to exert a return force on the spacer plates, means for actuating the central rod in translation and means for immobilizing the spacer plates in planes perpendicular to said spacer axis.
- the sliding of the central rod between the two spacer plates makes it possible to obtain a spacing of the said plates due to the relative sliding of the bevels of the central rod and those of the spacer plates.
- the contact area between the bevels of the central rod and those of the spacer plates is maximum, while it is reduced during the sliding of the central rod, which causes the spacing of the plates.
- the complementary profile of the bevels of the central rod and those of the spacer plates ensures the parallel spacing of the plates spacing, the slopes of the bevels of the central rod and the spacer plates being canceled once they placed in contact with each other.
- the parallel spacing obtained in this way has been found to be particularly effective for body straightening work such as wrinkle removal on spars.
- the beveled portion of the plates must advantageously occupy a large part of the surface of said plates because during the separation, only the Beveled parts of the plates remain in contact with the bevels of the central rod which transmits the spreading force.
- the maximum slope of the bevel machined on each spacer plate is further limited by the thickness of the spacer plates.
- the spacer plates of the spacer according to the invention comprise at least two bevels.
- the spacer plates of the spacer according to the invention comprise at least two bevels.
- the spacer plates of the spacer according to the invention comprise at least two bevels.
- the slope thereof because their length is reduced compared to the length of a single bevel.
- a sliding of the central rod over a shorter length is necessary.
- a shorter length of sliding of the central rod is associated with a better distribution of forces over the entire surface of the plates being spaced and consequently with increased stability and stability.
- parallelism optimum of the spacer according to the invention it could be determined that a number of bevels equal to two offered optimal performance for the spacer according to the invention while allowing easy manufacture and a reasonable manufacturing cost for the spacer according to the invention.
- the means for actuating the central rod in translation comprise a hydraulic cylinder system.
- Other actuating means may also be envisaged, such as a pneumatic cylinder system or such as a thread on the central rod which is then actuated in translation by the rotation of a threaded part surrounding said central rod.
- the Fig. 1 therefore represents an embodiment of the spacer according to the invention can be used for example for straightening the spar of a vehicle along a spacing axis 10.
- the spacer comprises a support 1 and two spacer plates 2
- the support 1 comprises a hollow head 7 comprising lateral openings 9, said spacer plates 2 being inserted into said lateral openings 9.
- the support 1 also comprises a cylinder 11 in which are located the central rod and the actuating means. in translation thereof.
- the spacer plates 2 comprise removable layers 12 attached by means of fastening means 13. In this way, the initial spacing between the spacer plates can be adjusted according to the dimensions of the spar to be straightened.
- the spacer further comprises a front opening 9 allowing the passage of the central rod.
- the spacer further comprises protrusions 8 around said lateral openings 9 which act as immobilizing means for the spacer plates 2 in planes perpendicular to said spacing axis 10.
- the spacer plates must in fact only be can move in the direction of the axis of separation 10 and not be mobile in the other directions of space.
- the Fig. 2 represents a first sectional view of the spacer according to the invention. In this view, are visible the bevels 5 of the central rod 4, as well as the passages 6 machined in the support 1 which are traversed by springs connecting the two spacer plates 2. These springs thus play the role of means of reminder about spacer plates so that they remain attached to the support.
- the Fig. 3 represents another sectional view of the spacer according to the invention.
- the spacer is in the initial position, that is to say before separation.
- the bevels 5 of the central rod 4 and the bevels 3 of the spacer plates 2 are indeed in full contact with each other.
- the spacing of the plates 2 will occur during the sliding of the central rod 4 to the front opening 9 in the support 1.
- the plates 2 will deviate while the contact area between the bevels 5 of the central rod 4 and the bevels 3 of the spacer plates 2 will decrease.
- the passages 6 for receiving the springs interconnecting the spacer plates are also clearly visible in order to exert a restoring force on the latter.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Description
L'invention se rapporte au domaine technique des écarteurs mécaniques, utilisés notamment pour le redressage du châssis d'un véhicule.The invention relates to the technical field of mechanical spacers, used in particular for straightening the chassis of a vehicle.
L'invention se rapporte plus particulièrement à un écarteur hydraulique pour le redressage d'un longeron du châssis d'un véhicule.The invention relates more particularly to a hydraulic retractor for straightening a spar of the chassis of a vehicle.
L'invention concerne un écarteur mécanique selon un axe d'écartement selon le préambule de la revendication 1, tel que divulgué dans le document
Le document
Un but de l'invention est de remédier aux inconvénients de l'art antérieur exposé ci-dessus.An object of the invention is to overcome the disadvantages of the prior art described above.
La présente demande a donc pour but de proposer un écarteur facile à utiliser et efficace dans les travaux de redressage de carrosserie, en particulier pour faire disparaitre les plis observés dans les longerons du châssis d'un véhicule.The present application therefore aims to provide a retractor easy to use and effective in bodywork straightening work, in particular to remove the wrinkles observed in the frame members of a vehicle.
A cette fin, l'invention se rapporte à un écarteur mécanique selon un axe d'écartement, caractérisé en ce qu'il comprend un support et deux plaques d'écartement, chaque plaque d'écartement comprenant au moins un biseau, et en ce qu'il comprend également une tige centrale apte à coulisser dans ledit support entre les deux plaques d'écartement, ladite tige centrale comprenant une pluralité de biseaux ayant un profil complémentaire aux biseaux desdites plaques d'écartement, les biseaux de ladite tige centrale étant en contact avec les biseaux desdites plaques d'écartement, ledit écarteur comprenant également des moyens de rappel aptes à exercer une force de rappel sur les plaques d'écartement, des moyens d'actionnement en translation de la tige centrale et des moyens d'immobilisation des plaques d'écartement dans des plans perpendiculaires audit axe d'écartement.To this end, the invention relates to a mechanical spacer along a spacing axis, characterized in that it comprises a support and two spacer plates, each spacer plate comprising at least one bevel, and in that it also comprises a central rod capable of sliding in said support between the two spacer plates, said central rod comprising a plurality of bevels having a profile complementary to the bevels of said spacer plates, the bevels of said central rod being in contact with the bevels of said spacer plates, said spacer also comprising biasing means able to exert a return force on the spacer plates, means for actuating the central rod in translation and means for immobilizing the spacer plates in planes perpendicular to said spacer axis.
Le coulissement de la tige centrale entre les deux plaques d'écartement permet d'obtenir un écartement des desdites plaques en raison du glissement relatif des biseaux de la tige centrale et de ceux des plaques d'écartement. Initialement, l'aire de contact entre les biseaux de la tige centrale et ceux des plaques d'écartement est maximale, tandis qu'elle se réduit au cours du coulissement de la tige centrale, ce qui provoque l'écartement des plaques. Le profil complémentaire des biseaux de la tige centrale et de ceux des plaques d'écartement assure l'écartement parallèle des plaques d'écartements, les pentes des biseaux de la tige centrale et des plaques d'écartement s'annulant une fois ceux-ci placés les uns en contact avec les autres. L'écartement parallèle obtenu de cette manière s'est révélé particulièrement efficace pour effectuer des travaux de redressage de carrosserie tels que l'élimination des plis sur des longerons.The sliding of the central rod between the two spacer plates makes it possible to obtain a spacing of the said plates due to the relative sliding of the bevels of the central rod and those of the spacer plates. Initially, the contact area between the bevels of the central rod and those of the spacer plates is maximum, while it is reduced during the sliding of the central rod, which causes the spacing of the plates. The complementary profile of the bevels of the central rod and those of the spacer plates ensures the parallel spacing of the plates spacing, the slopes of the bevels of the central rod and the spacer plates being canceled once they placed in contact with each other. The parallel spacing obtained in this way has been found to be particularly effective for body straightening work such as wrinkle removal on spars.
Il a par ailleurs pu être observé que pour obtenir une bonne répartition des forces sur toute la longueur des plaques d'écartement, la partie biseautée des plaques doit avantageusement occuper une partie importante de la surface desdites plaques car lors de l'écartement, seules les parties biseautées des plaques restent en contact avec les biseaux de la tige centrale qui transmet la force d'écartement. La pente maximale du biseau usiné sur chaque plaque d'écartement est par ailleurs limitée par l'épaisseur des plaques d'écartement.It has also been observed that in order to obtain a good distribution of forces over the entire length of the spacer plates, the beveled portion of the plates must advantageously occupy a large part of the surface of said plates because during the separation, only the Beveled parts of the plates remain in contact with the bevels of the central rod which transmits the spreading force. The maximum slope of the bevel machined on each spacer plate is further limited by the thickness of the spacer plates.
Selon un mode de réalisation avantageux, les plaques d'écartement de l'écarteur selon l'invention comprennent au moins deux biseaux. A épaisseur de plaque égale, en multipliant le nombre de biseaux, il est possible d'augmenter la pente de ceux-ci car leur longueur est réduite par rapport à la longueur d'un unique biseau. Avec l'augmentation de la pente des biseaux, il peut être observé que pour obtenir un écartement donné des plaques, un coulissement de la tige centrale sur une longueur moindre est nécessaire. Il a de plus pu être observé qu'une plus faible longueur de coulissement de la tige centrale est associée à une meilleure répartition des forces sur l'ensemble de la surface des plaques en cours d'écartement et par conséquent à une stabilité accrue et un parallélisme optimal de l'écarteur selon l'invention. En particulier, il a pu être déterminé qu'un nombre de biseaux égal à deux offrait des performances optimales pour l'écarteur selon l'invention tout en permettant une fabrication aisée et un coût de fabrication raisonnable pour l'écarteur selon l'invention.According to an advantageous embodiment, the spacer plates of the spacer according to the invention comprise at least two bevels. With equal plate thickness, by multiplying the number of bevels, it is possible to increase the slope thereof because their length is reduced compared to the length of a single bevel. With the increase of the slope of the bevels, it can be observed that to obtain a given spacing of the plates, a sliding of the central rod over a shorter length is necessary. It has furthermore been observed that a shorter length of sliding of the central rod is associated with a better distribution of forces over the entire surface of the plates being spaced and consequently with increased stability and stability. parallelism optimum of the spacer according to the invention. In particular, it could be determined that a number of bevels equal to two offered optimal performance for the spacer according to the invention while allowing easy manufacture and a reasonable manufacturing cost for the spacer according to the invention.
Selon un mode de réalisation avantageux, les moyens d'actionnement en translation de la tige centrale comprennent un système de vérin hydraulique. D'autres moyens d'actionnement peuvent également être envisagés, tels qu'un système de vérin pneumatique ou encore tels qu'un filetage sur la tige centrale qui est alors actionnée en translation par la rotation d'une pièce taraudée entourant ladite tige centrale.According to an advantageous embodiment, the means for actuating the central rod in translation comprise a hydraulic cylinder system. Other actuating means may also be envisaged, such as a pneumatic cylinder system or such as a thread on the central rod which is then actuated in translation by the rotation of a threaded part surrounding said central rod.
Ces aspects ainsi que d'autres aspects de l'invention seront clarifiés dans la description détaillée de modes de réalisation particuliers de l'invention, référence étant faite aux dessins des figures, dans lesquelles :
- La
Fig. 1 est une vue de l'écarteur selon l'invention; - La
Fig. 2 est une première vue en coupe de l'écarteur selon l'invention ; - La
Fig. 3 est une seconde vue en coupe de l'écarteur selon l'invention ;
- The
Fig. 1 is a view of the spacer according to the invention; - The
Fig. 2 is a first sectional view of the spacer according to the invention; - The
Fig. 3 is a second sectional view of the spacer according to the invention;
Les figures ne sont pas dessinées à l'échelle. Généralement, des éléments semblables sont dénotés par des références semblables dans les figures.The figures are not drawn to scale. Generally, similar elements are denoted by similar references in the figures.
La
La
La
Il apparaîtra évident pour l'homme du métier que la présente invention n'est pas limités aux exemples illustrés et décrits ci-dessus. La présence de numéros de référence ne peut être considérée comme limitative. L'usage du terme « comprend » ne peut en aucune façon exclure la présence d'autres éléments autres que ceux mentionnés. L'usage de l'article défini « un » pour introduire un élément n'exclut pas la présence d'une pluralité de ces éléments. La présente invention a été décrite en relation avec des modes de réalisations spécifiques, qui ont une valeur purement illustrative et ne doivent pas être considérés comme limitatifs.It will be apparent to those skilled in the art that the present invention is not limited to the examples illustrated and described above. The presence of reference numbers can not be considered as limiting. The use of the term "includes" in no way excludes the presence of other elements other than those mentioned. The use of the definite article "a" to introduce an element does not exclude the presence of a plurality of these elements. The present invention has been described in relation to specific embodiments, which have a purely illustrative value and should not be considered as limiting.
Claims (7)
- A mechanical spreader along a spreading axis (10), comprises a support (1) and two spreading plates (2) and a central rod (4), characterized in that each spreading plate (2) comprises at least one bevel (3), and in that the central rod (4) is able to slide in said support (1) between the two spreading plates (2), said central rod (4) comprising a plurality of bevels (5) having a profile complementary to the bevels (3) of said spreading plates (2), the bevels (5) of said central rod (4) being in contact with the bevels (3) of said spreading plates (2), said spreader also comprising return means able to exert a return force on the spreading plates (2), means for actuating the translation of the central rod (4) and means for immobilizing the spreading plates (2) in planes perpendicular to said spreading axis.
- The spreader according to claim 1, characterized in that each spreading plate (2) comprises at least two bevels (3).
- The spreader according to one of the preceding claims, characterized in that said return means comprise springs connecting the two spreading plates (2), said springs traversing passages (6) machined in said support (1) .
- The spreader according to one of the preceding claims, characterized in that said support comprises a hollow head (7) comprising side openings (9), said spreading plates (2) being inserted into said side openings (9) .
- The spreader according to claim 4, characterized in that said means for immobilizing the spreading plates comprise protrusions (8) around said side openings (9).
- The spreader according to one of claims 4 and 5, characterized in that the hollow head (7) comprises a front opening (9) allowing the passage of said central rod (4).
- The spreader according to one of the preceding claims, characterized in that the means for actuating the translation of the central rod (4) comprise a hydraulic jack system.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15201996.4A EP3184183A1 (en) | 2015-12-22 | 2015-12-22 | Mechanical spreading apparatus |
PCT/EP2016/081842 WO2017108739A1 (en) | 2015-12-22 | 2016-12-20 | Mechanical spacer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3383562A1 EP3383562A1 (en) | 2018-10-10 |
EP3383562B1 true EP3383562B1 (en) | 2019-09-11 |
Family
ID=55024899
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15201996.4A Withdrawn EP3184183A1 (en) | 2015-12-22 | 2015-12-22 | Mechanical spreading apparatus |
EP16819530.3A Active EP3383562B1 (en) | 2015-12-22 | 2016-12-20 | Mechanical spreading apparatus |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15201996.4A Withdrawn EP3184183A1 (en) | 2015-12-22 | 2015-12-22 | Mechanical spreading apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US10758961B2 (en) |
EP (2) | EP3184183A1 (en) |
CN (1) | CN108472704B (en) |
WO (1) | WO2017108739A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM595548U (en) * | 2020-01-16 | 2020-05-21 | 詠基工業股份有限公司 | Pipe straightening structure |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2447401A (en) * | 1945-03-02 | 1948-08-17 | Porter Inc H K | Spreading tool for reshaping deformed automobile bodies |
US2606469A (en) * | 1949-12-22 | 1952-08-12 | Gottlieb J Morgenthaler | Automobile body repair jack |
US2687763A (en) * | 1951-05-03 | 1954-08-31 | Bernard C Perkins | Insertable and removable shape restoring press |
US2919741A (en) * | 1955-09-22 | 1960-01-05 | Blaw Knox Co | Cold pipe expanding apparatus |
US3635440A (en) * | 1970-07-20 | 1972-01-18 | Brammall Inc | Force-exerting apparatus |
US4308736A (en) * | 1979-01-05 | 1982-01-05 | J & S Hydraulics, Inc. | Tube expander |
JP2817620B2 (en) * | 1994-04-22 | 1998-10-30 | 住友金属工業株式会社 | Mechanical expander head |
FI6367U1 (en) * | 2004-06-11 | 2004-08-27 | Norcar Bsb Ab Oy | Tana |
DE102005010494A1 (en) * | 2005-03-08 | 2006-09-14 | Rothenberger Ag | Expansion device for hollow bodies |
CN2900003Y (en) * | 2006-04-19 | 2007-05-16 | 尚建国 | Hand operated rotary pressure type steel pipe straightener |
JP5019791B2 (en) * | 2006-06-05 | 2012-09-05 | 昭和電工株式会社 | Pipe expansion processing equipment |
CN102275154B (en) | 2010-06-11 | 2014-06-18 | 成都理工大学 | Novel hydraulic spreader-shearer |
PT2420333E (en) * | 2010-08-16 | 2015-03-02 | Uponor Innovation Ab | Tool and method for expanding a pipe end |
CN202377316U (en) * | 2011-12-01 | 2012-08-15 | 中国重型机械研究院有限公司 | Bar straightening machine pressing mechanism |
US8511133B1 (en) * | 2012-11-27 | 2013-08-20 | Jun Fan Chen | Expander for tubular elements |
CN204448905U (en) * | 2015-01-30 | 2015-07-08 | 隆英(金坛)特钢科技有限公司 | A kind of straightener roller box list roller wedge adjusting equipment |
-
2015
- 2015-12-22 EP EP15201996.4A patent/EP3184183A1/en not_active Withdrawn
-
2016
- 2016-12-20 WO PCT/EP2016/081842 patent/WO2017108739A1/en active Application Filing
- 2016-12-20 EP EP16819530.3A patent/EP3383562B1/en active Active
- 2016-12-20 CN CN201680075435.XA patent/CN108472704B/en active Active
- 2016-12-20 US US16/061,753 patent/US10758961B2/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
US10758961B2 (en) | 2020-09-01 |
US20180361449A1 (en) | 2018-12-20 |
CN108472704A (en) | 2018-08-31 |
EP3383562A1 (en) | 2018-10-10 |
WO2017108739A1 (en) | 2017-06-29 |
EP3184183A1 (en) | 2017-06-28 |
CN108472704B (en) | 2020-05-15 |
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