EP3334569A1 - Device for applying a pressing force, and pair of pressing jaws - Google Patents
Device for applying a pressing force, and pair of pressing jawsInfo
- Publication number
- EP3334569A1 EP3334569A1 EP16751533.7A EP16751533A EP3334569A1 EP 3334569 A1 EP3334569 A1 EP 3334569A1 EP 16751533 A EP16751533 A EP 16751533A EP 3334569 A1 EP3334569 A1 EP 3334569A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic piston
- hydraulic
- pressing
- cylinder
- cylinder arrangement
- 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
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 98
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 description 6
- 230000008719 thickening Effects 0.000 description 5
- 238000002788 crimping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/02—Vices with sliding jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/20—Vices for clamping work of special profile, e.g. pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/24—Details, e.g. jaws of special shape, slideways
- B25B1/2405—Construction of the jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
Definitions
- the invention relates first of all to a device for applying a pressing force, with two pressing jaws which are movable linearly relative to one another via a hydraulic piston-cylinder arrangement, wherein an actuating cone is furthermore provided for a widening device, which is actuated in response to actuation of the hydraulic piston. Cylinder arrangement performs a forward and backward movement.
- Such a device is used in particular for the pressing of pipes, in particular for axial compression of pipes. In such an application, but also independently of it, it may be necessary to (initially) widen the end of a pipe section to be pressed.
- an expansion device can be arranged on the device, which can be acted upon via a device-side actuating cone.
- Such a device is, for example, known from WO 2014/086464 AI (US 2015/0336250 AI). Such a device is also referred to as a sliding jaw tool.
- the invention is concerned with the task of specifying an advantageous device of the type in question.
- a possible solution to the problem is given according to a first inventive concept in a device in which it is geared to that the actuating cone is connected to the hydraulic piston of the hydraulic piston-cylinder arrangement for the forward and backward movement. It can thereby be achieved a compact design of the device.
- the actuating cone is connected to its displacement with the hydraulic piston.
- this hydraulic piston can also bring about a displacement of at least one pressing jaw when using the device for axial pressing of tubes.
- the actuating cone can, as also preferred, be directly mechanically connected to the hydraulic piston.
- the hydraulic piston-cylinder assembly is part of a header, which is connectable to the hydraulic supply to a basic unit.
- the basic unit is designed to supply the attachment with hydraulic fluid as well as to build up a hydraulic pressure necessary for the use of the attachment.
- the basic unit may have a pump which pumps hydraulic fluid from a hydraulic storage reservoir in the basic unit into a hydraulic line, which hydraulic fluid acts on the hydraulic piston of the hydraulic piston-cylinder arrangement of the attachment.
- a basic device is, for example, from the
- the hydraulic piston-cylinder assembly may be attached to a support pin over which support pin the attachment to the base unit can be arranged.
- the mounting pin can have a hydraulic line for supplying the hydraulic piston-cylinder arrangement.
- the hydraulic line provides the hydraulic connection between the piston-cylinder arrangement in the attachment and the base unit.
- the hydraulic piston-cylinder arrangement can be rotatably arranged together with the pressing jaws and / or the actuating cone to the support pin.
- stop-limited rotation capability by, for example, up to 180 degrees or more, further, for example, up to 350 degrees.
- a complete and possibly multiple rotations about the axis of the support pin is possible.
- individual rotational locking positions may be formed, so for example. In 15 degree or 30 degree angle increments. This results in a favorable handling of the device.
- the hydraulic piston of the hydraulic piston-cylinder arrangement can be stationary in the course of an actuation of the hydraulic piston-cylinder arrangement relative to the mounting pin and / or the basic unit.
- the cylinder upon actuation, ie pumping of hydraulic fluid into the effective range of the piston-cylinder arrangement, the cylinder is displaced relative to the stationary hydraulic piston, in particular linearly displaced.
- the actuating cone may be fixed relative to the support pin and / or the base unit in the course of actuation of the hydraulic piston-cylinder arrangement.
- a displacement of the cylinder of the piston-cylinder arrangement relative to the actuating cone is preferred.
- the expansion device is in this case preferably attached to the displaceable part of the device, in particular on the cylinder, so that the expansion device is displaceable in a hydraulic actuation together with the cylinder relative to the actuating cone.
- the actuating cone acts on the expansion device for widening a pipe end or the like.
- the actuating cone extends concentrically to an extended geometric hydraulic piston axis.
- the actuating cone can extend over part of its longitudinal extent within the cylinder of the piston-cylinder arrangement.
- a piston head of the hydraulic piston which is acted on by hydraulic fluid in the course of an actuation, can be arranged opposite to a free tip of the actuating cone with respect to a longitudinal extension of the hydraulic piston in the direction of displacement of the hydraulic cylinder of the hydraulic piston-cylinder arrangement.
- both the support pin axis and the hydraulic piston axis represent as in a plane parallel to the plane extending lines, substantially transversely directed to the support pin axis and extending approximately from the support pin, while the actuating cone extends with respect to the support pin axis opposite to the hydraulic piston.
- the actuating cone is not detachably held in the device, for example, directly connected to the hydraulic piston, for example. Screwed, crimped or welded, further example. With this integrally formed.
- the actuating cone is removably disposed in the device via a latching holder.
- This offers the possibility of an individual arrangement of an actuating cone in the device.
- the actuating cone can be removed when using the device as a pure axial pressing device.
- different actuating cones for example with differently steep conical surfaces, can also be arranged on the device. The removal of the actuating cone leaves the hydraulic piston and / or the hydraulic cylinder, at least with regard to essential for the implementation of a compression parts untouched.
- a return spring may be provided. This may be a cylinder spring, in particular a compression spring but possibly also a tension spring.
- the actuating cone extends in a preferred embodiment in any case over part of its longitudinal extent within the return spring, corresponding to this comprises.
- the return spring as a compression spring, in particular cylinder compression spring this between the cylinder of the piston-cylinder arrangement and the cylinder over the fixed support pin to be clamped.
- the arrangement may be concentric with an extension of the piston axis.
- the return spring serves to return the hydraulic piston relative to a fixed hydraulic cylinder or, as preferred, to return the movable hydraulic cylinder relative to the fixed hydraulic piston after performing a compression.
- the actuating cone can be designed in two parts, wherein a first part is a mounting foot part and a second part has the conical surface.
- the Garrungsfußteil and the conical surface having second part are connected to the use of the actuating cone with each other, for example.
- the invention relates to a device for applying a pressing force with two linearly movable to each other, holders in recordable pressing jaws.
- Such devices are known, for example, as so-called axial press devices for pipes or the like.
- the invention is concerned with the task of improving a device of the type in question in nutzsvorteilhafter way on.
- a possible solution to the problem is given according to a further inventive idea in a device in which it is aimed at that three receptacles are provided for press jaws in a linear sequential arrangement.
- the three receptacles only two are preferably equipped with crimping jaws for axial crimping.
- the arrangement of three receptacles of pressing jaws and excess lengths can be processed via a two-stage process by one of the pressing jaws is inserted into the further recording after a first step in order to complete the pressing process thereafter.
- Two receptacles for pressing jaws can be arranged in linear sequential arrangement on a stationary housing section of the device and a receptacle on a hydraulic cylinder which receives a hydraulic piston of a piston-cylinder arrangement.
- the hydraulic cylinder with its receptacle may be displaceable relative to the hydraulic piston.
- the two further pictures for a pressing jaw are opposite the receptacle of the hydraulic cylinder preferably designed to be fixed, so that when using the device arranged in a recording jaw of the hydraulic cylinder is displaced in the axial direction of the hydraulic piston or the hydraulic cylinder to the fixed jaw.
- the invention relates to a pair of press jaws, which are formed, for example, for the catch holder on a header for sliding crimping.
- the invention is concerned with the task of specifying an advantageous pair of pressing jaws.
- a possible solution to the problem is given in a pair of pressing jaws, in which the pressing jaws are connected to one another for limiting a driving off in the mounted state.
- the pressing jaws are preferably arrangeable to a device of the type described above, corresponding to a device for the axial compression of pipes or the like. After a successful compression, in which process the pressing jaws are displaced toward each other in the axial direction, the pressing jaws are displaced in the opposite direction back in the direction of a basic position. This return displacement path is limited by the connection of the pressing jaws with one another, so that a maximum distance dimension of the pressing jaws to one another is established, which is preferably adapted to the pressing jaw size.
- the Potential montverlagerungsweg without the said compound of the pressing jaws, about the reset option a hydraulic piston relative to a hydraulic cylinder, however, is usually larger.
- a next pressing operation can be started immediately. It does not require a possibly beyond the required distancing of the pressing jaws to each other outgoing backward displacement in a defined by the pressing device basic position.
- a stop position can be detected, for example, by detecting an increased motor current, after which the device optionally automatically switches to a press ready position.
- connection can be given by a flexible connecting element.
- a flexible connecting element may be a chain, a flexible cable or further example.
- connection may also be given by a rod.
- This can extend strictly linearly in the direction of displacement of at least one pressing jaw, wherein the rod is fastened to a pressing jaw and, with an end opposite this pressing jaw, the other pressing jaw for example, interspersed.
- An example. Endwise provided thickening of the rod provides the stop limit in a return.
- the rod can be a wire. It is also possible to provide a bow-shaped rod which is fastened to a pressing jaw and grips the other pressing jaw in the manner of a bow.
- the pressing jaws are unconnected in the removed state. These are in this case as individual parts.
- the connection can be canceled by the user, if necessary using a conventional tool.
- Conceivable in this regard is also a tool-free cancellation.
- a chain or the like can be unhooked from a pressing jaw or a rod fixedly connected to a pressing jaw can be threaded through a groove formation of the other pressing jaw.
- the pressing jaws can remain connected in the detached state, so that they are always present as a pair belonging to each other. This can also be an orientation of the pressing jaws provided so that they can not be used individually wrong.
- connection When the connection is formed in the form of a wire which is elongate in the use state, it can be easily bent back by the user if there is any bending (for example, occurring in the stowed state of the pressing jaw pair).
- the wire offers sufficient flexibility. Nevertheless, there is a solid and largely rigid connection.
- Fig. 1 in view of a connected to a basic unit attachment in a configuration for Axialverpressung of pipe parts
- Fig. 2 is the plan view for this purpose
- Fig. 3 is a perspective view of the attachment
- Fig. 5 is a sectional view of Figure 4, the attachment at
- FIG. 6 shows a further illustration corresponding to FIG. 4, relating to an embodiment of the pressing jaws for axial compression, in which the pressing jaws are connected to each other via a flexible connecting element;
- Fig. 7 is a representation corresponding to Figure 6, an alternative
- FIG. 8 shows a representation corresponding to FIG. 2, relating to a further alternative connection of the pressing jaws via a bracket;
- FIG. 9 is a view corresponding substantially to FIG. 7, relating to a further embodiment of the connection.
- a device for applying a pressing force which is composed essentially of a header 1 and a connectable to the attachment to hydraulic attachment 2 basic unit.
- the hydraulic basic unit 2 may, as also preferably, be a basic unit, as also mentioned in the introduction
- the attachment 1 is mechanically connected via a support pin 6, as well as hydraulically connected to the base unit 2.
- the support pin 6 is for this purpose initially formed for screw connection to the base unit. 2
- the support pin 6 extends concentrically about a pin axis x, along which further extends in the support pin 6, a hydraulic line 7 for supplying a hydraulic piston-cylinder assembly 8 of the attachment 1.
- the piston-cylinder assembly 8 is rotatably supported on the support pin 6 about the pin axis x (see arrow a in Figure 2). It can be given single rotational detent positions.
- Hydraulic piston 9 and hydraulic cylinder 10 of the piston-cylinder arrangement 8 extend with respect to the hydraulic piston 9 and / or the hydraulic cylinder 10 in the longitudinal direction passing through geometric axis y transversely directed to the pin axis x, so preferably in radial alignment with respect to the pin axis x.
- the hydraulic piston 9 is fixedly mounted on a hub 11 comprising the support pin 6 and extends, with respect to its area cooperating with the hydraulic cylinder 10, with respect to the journal axis x with respect to the view of FIG Hub 11.
- a support portion 12 for an actuating cone 13 is formed substantially diagonally opposite to the hydraulic piston 9 on the hub 11.
- the hydraulic piston 9, the hub 11, the support portion 12 and / or the actuating cone 13 are overlapped by the hydraulic cylinder 10. This is, as preferred, the hydraulic piston 9, the hub 11, the support portion 12 and / or the actuating cone thirteenth formed substantially rotationally symmetrical to the axis y.
- the hydraulic cylinder 10 has a circumferential cylinder wall 14 with two opposite, extending in the extension direction of the axis y longitudinal slots 15.
- the longitudinal slots 15 can be traversed by the support pin 6 upon actuation of the device or allow the displacement of the hydraulic cylinder relative to the fixed holding pin 6.
- the section of the hydraulic cylinder 10 which overlaps the hydraulic piston 9 is provided with a cylinder bottom 16 extending transversely to the extent of the axis y. Wandungsinnen paragraph this opposite the piston head 17 of the hydraulic piston 9 is formed, which acts with a circumferential axis y around the seal 18 against the inside of the cylinder wall 14.
- the hydraulic piston 9 is penetrated with a concentric with the axis y formed line 19 which is at one end with the hydraulic line 7 of the support pin 6 and via this with the base unit 2 in connection and the other end in the piston head 17 into the pressure chamber 20 between the piston head 17 and the cylinder bottom 16 opens.
- the pumping of hydraulic fluid into the pressure chamber 20 as a result of activation of the basic unit 2 leads to a linear displacement of the hydraulic cylinder 10 along the axis y relative to the stationary hydraulic piston 9.
- the length of the longitudinal slots 15 here optionally provides a stop limit.
- a return spring 21 is provided in the form of a cylinder compression spring, which is clamped opposite to the hydraulic piston 9 between the support portion 12 and the cylinder bottom 16 remote from the end of the hydraulic cylinder 10.
- two or three receptacles 22, 23, 24 for pressing jaws 25, 26 are provided on the attachment 1.
- the receptacles 23, 24 are here outside the wall of a defined on the support pin 6, the hydraulic cylinder 10 over its length partially encompassing housing portion 27 is formed.
- This housing section 27 comprises the section of the hydraulic cylinder 10 encompassing the hydraulic piston 9 in the basic position according to FIG. 4, correspondingly preferably extending from the journal axis x in the opposite direction to the free end region of the hydraulic cylinder 10. In this free end region of the hydraulic cylinder 10 Outside the wall 22 formed the receptacle.
- the recording 22 associated pressing jaw 25 is correspondingly a linearly movable pressing jaw, while the recording 23 or 24 assignable pressing jaw 26 is a jaw.
- the movable pressing jaw 25 is displaced linearly in the direction of the fixed pressing jaw 26, for pressing, for example.
- the pressing jaws 25 and 26 can be connected to one another in order to limit a movement apart in the attached state on the attachment 1.
- the spring-assisted return to a basic position of the attachment 1 is possibly limited, i. the predetermined by the connection of the pressing jaws 25 and 26 basic position of the attachment 1 need not necessarily be the usual basic position of the attachment 1 according to Figure 4.
- the length of the connecting element between the pressing jaws 25 and 26 is preferably selected such that the maximum distance dimension of the pressing jaws 25 and 26 considered in the direction of the axis y is adapted to the pressing jaw size.
- connection between the pressing jaws 25 and 26 can be given by a flexible connecting element 30 as shown in Figure 6, for example.
- a chain a flexible rope such as wire rope or a flexible plastic rope, which limp but in the Length is not elastic.
- the connecting element 30 is fixed to both pressing jaws 25 and 26, if necessary, releasably secured at least one end.
- connection may be given by a rod 31.
- This can be attached at one end, preferably to the movable pressing jaw 25, and preferably extends parallel to it
- the rod 31 may be provided with a thickening 33 which is larger than the diameter of the bore 32, for cooperation with a wall section of the pressing jaw 26 surrounding the bore 32.
- connection can be given by a bracket 34, as shown by way of example in Figure 8.
- This may be an approximately U-shaped bracket 34 with reference to the top view in FIG. 8, which bracket may be fixed at one end to the pressing jaw 25 and at the other end may be secured with nem free U-leg behind the fixed press jaw 26 can engage the stop-limited interaction with the pressing jaw 26th
- the arrangement may be chosen so that the rod 31 formed of a wire has a length which is to a displacement of the free, preferably provided with the thickening 33 end of the rod 31 alone or essentially in the enforcement area of a fixed pressing jaw 26 leads.
- the free end In the - also shown - Pressbacken-closed position, the free end does not occur to the outside.
- dash-dotted line type defined by the interaction of thickening 33 and the bottom of the bore 32 maximum pressing jaw open position is shown.
- the hydraulic cylinder 10 is externally provided with a thread 35 on the outside. This is used to establish a schematically illustrated on wide device 36. This far device 36 is applied to the expansion of a pipe end by the actuating cone thirteenth
- the actuating cone 13 may be formed in two parts.
- a first part forms a mounting foot part 37, which dips into a bore 38 of the mounting section 12 running coaxially to the axis y.
- the second part 39 of the actuating cone 13 forms the conical surface.
- the second part 39 has a central, coaxial with the axis y extending mandrel 40. This sits in a correspondingly formed frontal bore of the Garrungsfußers 37 a.
- the plug-in support between the second part 39 and Garrungsfußteil 37 is given by a transversely to the axis y extending, brought into this position overlapped transverse bores 41, 42 of the Garrungsfuß learnerss 37 and the second part 39 passing through the locking pin 43.
- the locking pin 43 acts it is preferably a dowel pin, which allows a limited tolerance compensation in the axial direction.
- the mandrel 40 surrounding, the end wall of the Garrungsfuß learnerss 37 facing end face of the conical second part 39 is optionally spaced with the interposition of a washer or the like to the end face of the Garrungsfußers 37. This distance can be one or more tenths of a millimeter down to one or two millimeters. It can be made with the interposition of a washer fine adjustment.
- the support portion 12 and the actuating cone 13 extend radially inward of the return spring 21. They are covered accordingly by the return spring 21. The actuating cone 13 is latched to the support portion 12.
- a detent button 40 is provided in a unilaterally open radial bore of the support portion 12, which offers a handling surface passing through the radial opening end. Opposite this actuation surface is provided in the radial bore a compression spring 45, which tends to load the locking knob 44 radially outward through the bore opening.
- the detent button 44 has a pot-shaped, in the axial direction opening locking receptacle 46. This is interspersed by a transverse to the direction of displacement of the locking knob 44 extending, each end dipping into the material of the support portion 12 locking pin 47, which provides a stop limit of the locking knob 44 in Federein Waldsraum.
- the locking pin 47 provides an anti-rotation lock for the detent button 44. In the opening area of the detent recess 46, a with respect to the
- Axis y provided radially inwardly projecting latching projection 48, for cooperation with an end of the Garrungsfußmaschines 37 formed, circumferential locking groove 49th
- a device which is characterized in that the hydraulic piston-cylinder assembly 8 is part of a header 1, which is connectable to a basic unit 2 for hydraulic supply;
- a device which is characterized in that the piston-cylinder assembly 8 is mounted on a support pin 6, which also has a hydraulic line 7 for supplying the hydraulic piston-cylinder assembly 8;
- a device characterized in that the hydraulic piston-cylinder assembly 8 is rotatable about the support pin 6 together with the pressing jaws 25, 26;
- a device which is characterized in that a piston head 17 of the hydraulic piston 9, which is acted upon by hydraulic means in the course of an actuation, acts in the direction of displacement of the hydraulic cylinder 10 of the hydraulic piston-cylinder relative to a longitudinal extension of the hydraulic piston 9.
- Arrangement 8 is arranged opposite to a free tip of the actuating cone 13;
- a device characterized in that the actuating cone is removably mounted in the device via a latching means;
- a return spring 21 is provided for resetting the hydraulic piston-cylinder arrangement 8, wherein preferably the actuating cone 13 extends over at least part of its longitudinal extent within the return spring 21;
- a device which is characterized in that three receptacles 22 to 24 for pressing jaws 25, 26 are provided in a linear arrangement one behind the other;
- a device characterized in that two receptacles 23, 24 are arranged in a linear arrangement one behind the other on a stationary housing portion 27 of the device are arranged and a receptacle 22 on a hydraulic cylinder 10 which receives a hydraulic piston 9 of a hydraulic piston-cylinder assembly 8;
- a device which is characterized in that the pressing jaws 25, 26 are connected to each other to limit a Aufnismfhring in the mounted state;
- a device which is characterized in that the pressing jaws 25, 26 are unconnected in the removed state.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015113116 | 2015-08-10 | ||
DE102015119734.0A DE102015119734A1 (en) | 2015-08-10 | 2015-11-16 | Device for applying a pressing force, and pair of pressing jaws |
PCT/EP2016/068373 WO2017025379A1 (en) | 2015-08-10 | 2016-08-02 | Device for applying a pressing force, and pair of pressing jaws |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3334569A1 true EP3334569A1 (en) | 2018-06-20 |
EP3334569B1 EP3334569B1 (en) | 2020-01-08 |
Family
ID=57908391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16751533.7A Active EP3334569B1 (en) | 2015-08-10 | 2016-08-02 | Device for applying a pressing force, and pair of pressing jaws |
Country Status (4)
Country | Link |
---|---|
US (1) | US10888915B2 (en) |
EP (1) | EP3334569B1 (en) |
DE (1) | DE102015119734A1 (en) |
WO (1) | WO2017025379A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107695188A (en) * | 2017-09-30 | 2018-02-16 | 烟台鲁宝钢管有限责任公司 | A kind of expanding method for putting forward effect drop expense of pipe end and special expander die |
WO2020058862A1 (en) * | 2018-09-20 | 2020-03-26 | Cembre S.P.A. | Hydrodynamic tool for the axial compression of tube connections |
DE102019115484A1 (en) * | 2019-06-07 | 2020-12-10 | Baudat Gmbh & Co. Kg | Tool |
US11940067B2 (en) * | 2020-03-26 | 2024-03-26 | Kevin Larsen | Remote process equipment bolt flange joint opening and closing system and method of use |
DE202021107019U1 (en) | 2021-12-22 | 2023-03-24 | Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft | Expanding and pressing device |
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DE202012104763U1 (en) | 2012-12-07 | 2014-03-11 | Rehau Ag + Co. | Tool device for connecting a plastic pipe or a metal-plastic composite pipe to a fitting with a sliding or compression sleeve |
DE102013100183A1 (en) * | 2013-01-09 | 2014-07-10 | Gustav Klauke Gmbh | Hydraulically actuated pressing device, method for carrying out a compression, method for producing an electrically conductive press connection, electrically pressed press sleeve, method for clamping a workpiece and hydraulic device |
DE102013107294A1 (en) * | 2013-07-10 | 2015-01-15 | Gustav Klauke Gmbh | Hand tool and hand-expanding device |
DE102014107752A1 (en) | 2014-06-03 | 2015-12-03 | Rehau Ag + Co | Tool device for connecting a plastic pipe or a metal-plastic composite pipe to a fitting with a sliding or compression sleeve |
DE202014104030U1 (en) * | 2014-08-28 | 2015-12-04 | Rehau Ag + Co | A pair of cooperating, mutually movable sliding elements and this comprehensive connecting tool |
DE102017205219A1 (en) * | 2016-03-30 | 2017-10-05 | Refco Manufacturing Ltd. | Hydraulic tool |
US9694410B1 (en) * | 2016-12-12 | 2017-07-04 | Yung Chi Industry Co., Ltd. | Pipe expanding device |
-
2015
- 2015-11-16 DE DE102015119734.0A patent/DE102015119734A1/en active Pending
-
2016
- 2016-08-02 US US15/751,045 patent/US10888915B2/en active Active
- 2016-08-02 WO PCT/EP2016/068373 patent/WO2017025379A1/en active Application Filing
- 2016-08-02 EP EP16751533.7A patent/EP3334569B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3334569B1 (en) | 2020-01-08 |
WO2017025379A1 (en) | 2017-02-16 |
DE102015119734A1 (en) | 2017-02-16 |
US20180229290A1 (en) | 2018-08-16 |
US10888915B2 (en) | 2021-01-12 |
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