EP3269509B1 - Pince pour réaliser de troux sur des profiles à section trapézoïdale - Google Patents

Pince pour réaliser de troux sur des profiles à section trapézoïdale Download PDF

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Publication number
EP3269509B1
EP3269509B1 EP17180819.9A EP17180819A EP3269509B1 EP 3269509 B1 EP3269509 B1 EP 3269509B1 EP 17180819 A EP17180819 A EP 17180819A EP 3269509 B1 EP3269509 B1 EP 3269509B1
Authority
EP
European Patent Office
Prior art keywords
punch
legs
trapezoidal
hole punch
pliers
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
Application number
EP17180819.9A
Other languages
German (de)
English (en)
Other versions
EP3269509A1 (fr
Inventor
Oliver HÖLSCHER
Marc Hoffmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
H3 Tools & Co KG GmbH
Original Assignee
H3 Tools & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by H3 Tools & Co KG GmbH filed Critical H3 Tools & Co KG GmbH
Publication of EP3269509A1 publication Critical patent/EP3269509A1/fr
Application granted granted Critical
Publication of EP3269509B1 publication Critical patent/EP3269509B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/36—Punching or perforating pliers
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/002—Drive of the tools
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/243—Perforating, i.e. punching holes in profiles
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • B25B7/126—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears with fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/34—Hand-held perforating or punching apparatus, e.g. awls power actuated
    • 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 to trapezoidal punch pliers with the features of the preamble of claim 1.
  • trapezoidal punch pliers are used, with which holes can be punched on the two inclined legs of the trapezoidal profile at the same time, to which, in turn, cable routes, light fittings or cable guides can be attached.
  • Such trapezoidal punch pliers must be hand-operated and have a kinematic design similar to that of pruning shears, that is, two articulated pliers legs, each carrying a cutting punch, are relatively short, whereas from the hinge point to the other side, significantly longer lever arms with handles are designed so that the user can apply the forces required for punching.
  • the object of the present invention is thus to provide a trapezoidal punch with which the work described can be carried out much more easily.
  • the two lever arms on the side of the joint facing away from the two pliers legs are only very short and their inner flanks facing each other are profiled so that they can be coupled with an electric pressing tool for heating and plumbing needs.
  • Such pressing tools are known in principle, for example from DE 199 27 776 A1 .
  • the pressing tools that can be placed thereon have two pressing legs with which crimp connections can be made from pipe ends or fittings can be attached to one pipe end.
  • the punch pliers according to the invention has two pairs of stop surfaces.
  • a first pair is referred to as the front stop surfaces and is arranged with a slight offset of the connecting line of the two hinge points on the side of the front ends of the punch pliers legs; the other pair on the opposite Side of the connecting line.
  • the opening path of the punch pliers legs is limited by the rear stop surfaces.
  • Essential to the invention are, among other things, the length ratio on the punch pliers legs.
  • the front ends, which extend between a front tip, which carries the punch, and the bearing pin, are significantly longer than the rear ends of the hole legs on the other side of the bearing pin.
  • the length ratio is at least 1.5: 1. This is the only way to achieve a large opening angle that enables the punch to be placed on both sides of the trapezoidal profile at the same time.
  • the trapezoidal punch pliers have an adjustable closed position. Depending on which trapezoidal sheets are perforated, grub screws can be inserted into the threaded holes provided.
  • the pins can be adjusted by the thread so that they protrude more or less from the stop surface, so that the closing angle of the punch pliers legs is limited depending on the width of the trapezoidal sheet metal.
  • the force-controlled press machine switches off when the pins meet. It is also possible to use a threaded pin on one side so that it presses against the opposite stop surface.
  • An alternative way of limiting the travel to work is to shorten / limit the travel of the pressure rollers. As soon as the pressure rollers can no longer immerse deeply to close to the holding plate, the jaws can no longer be locked tightly. A mechanical shortening of the path can also be achieved by inserting a screw between the two lower ends of the punch pliers legs. The travel of the pressure rollers is reduced by the height of the screw head.
  • the punch pliers according to the invention have, in particular, a defined symmetrical open position in that a centering pin is placed on the central axis between the rear ends of the punch pliers legs lying on the other side of the bearing pin. Together with a corresponding shape, it is achieved that the two punch pliers legs are forced into an orientation that is symmetrical with respect to the central axis.
  • the closing is preferably assisted by a compression spring, but for the punching process it takes place predominantly through the force exerted via the pair of rollers of the electric pressing tool.
  • the force exerted by the punch on a comparatively thin-walled trapezoidal sheet metal profile must be severely limited. Therefore, only a certain closing path is allowed by the abutting front stop surfaces and a certain distance between the punch pliers legs is always maintained, which is dimensioned so that the trapezoidal sheet profile is not squeezed on its side flanks after the punch has penetrated it.
  • the invention is described with reference to the main application, the punching of recesses in a sheet metal profile, for which purpose punches are used on the punch legs.
  • punches it is also possible to provide cutting punches in order to be able to make cuts in sheet metal, or riveting punches in order to be able to use rivets.
  • the term "punch” therefore includes tool inserts with a different shape.
  • each punch pliers leg 10, 20 a punch 50 is arranged on the respective inner flank. This has, for example, an end provided with a thread 51, so that an axial adjustment and thus an adjustment of the penetration depth are possible via nuts 52.
  • the two punch pliers legs 10, 20 are connected to one another via a joint unit 30, which is designed identically on the top and bottom.
  • a joint base plate 31 is provided there, which has two bearing bores 32.
  • a bearing pin 33 is guided through a bore 13, 23 on each punch pliers legs 10, 20.
  • the bearing bolts 33 are provided with a threaded hole at both ends so that they can be screwed to the joint base plate 31 via washers 34 and screws 35.
  • a compression spring 40 holds the punch pliers legs 10, 20 in the closed position in order to facilitate transport and handling.
  • the mounting via two bearing bolts 33 arranged at a distance from one another has the advantage that no overlapping of parts of the punch pliers legs 10, 20 is necessary, so that there is also no weakening due to reduced cross-sections.
  • the defined position and the symmetrical movement when closing and opening the two punch pliers legs 10, 20 are achieved by coupling with the electric pressing tool, which moves the two short ends 11, 21 in the same way through its roller drive.
  • the inner contour of the punch pliers legs 10, 20 is essential for the function of the trapezoidal punch pliers 100.
  • the short ends 11, 21 must be rounded in order to facilitate the entry of the rollers of the pressing tool. Between the ends 11, 21, the contour must taper in the direction of the joint unit 30 in order to define an end region for the extension path of the pair of rollers. Stop surfaces 14 in the area of the joint unit 30 on the one hand and an obliquely outwardly extending contour of the respective long ends 11, 21 of the punch pliers legs 10, 20 are required so that there is a defined closed position in which the ends 12; 12 'and also the punch 50 maintain a distance from one another and do not press against one another.
  • the outwardly receding long ends 12, 12 ' can be V-shaped to one another; but they are preferably rounded semi-parabolic on the inside. This results in the advantage that the ends 12, 12 ′ run approximately parallel to one another and the fastening bores for the punch 50 can be made perpendicular to the ends 12.
  • FIG. 2 the opened trapezoidal punch pliers 100 is shown in a side view, but without the electrical pressing tool 200 required for use, which is only indicated here by a dash-dotted line.
  • the two punch pliers legs 10, 20 enclose a trapezoidal sheet metal profile 300.
  • the rollers 201 of the press tool 200 are pressed between the short, rounded legs 11, 21 of the two punch pliers legs 10, 20, whereby we forced a closing movement.
  • the closed position is in Fig. 3 shown.
  • the punch 50 penetrate the trapezoidal sheet 300. The punching is thus produced.
  • the rollers 201 move back again, the two pliers legs 10, 20 can return to their widely spread starting position.
  • a second preferred embodiment trapezoidal punch pliers 100 'shown in FIG Fig. 4 is shown in an exploded view, is unchanged in terms of the shape of the punch legs 10, 20.
  • a joint unit 30 ' is also formed identically with two parallel joint plates 31' above and below the punch pliers legs 10, 20.
  • the trapezoidal punch pliers 100 ′ according to FIG Fig. 4 In the joint unit 30 ', no screw connection of the bearing bolts 33' to the joint base plates 31 'is provided, but an axial fixing of the bearing bolts 33' to the joint base plates 31 via locking rings 34 'placed on the ends.
  • the punch pliers legs 10, 20 are held in a closed position by means of a compression spring 40 which is guided in blind holes in the stop surfaces 15.
  • the trapezoidal punch pliers 100 also have a locking unit 60' arranged on the central axis for a depth stop 67 '.
  • This serves to maintain the desired distance from the underside of the trapezoidal sheet profile 300 and accordingly to carry out the punchings at the intended height of the lateral flanks of the trapezoidal sheet profile 300.
  • the depth stop 67 'in the form of an angled wire profile can be inserted into a receptacle of a threaded sleeve 62'.
  • the threaded sleeve 62 ' is screwed to the joint base plate 31' via a screw and a lock nut 63 '.
  • a further screw element 66' is inserted, which can be easily rotated via a knob 65 '.
  • the trapezoidal punch pliers 100 'in the joint unit 30' has a centering pin which is connected to at least one of the base plates 31 'and which has the effect that both punch pliers legs 10, 20 assume a symmetrical open position so that the two punch pliers legs 10, 20 are not misaligned takes place because in this case the punching and pressing punches 50 would start at different heights on the trapezoidal sheet metal profile 300 and could lead to a height offset of the punched recesses.
  • Figure 5a shows the trapezoidal punch pliers 100 'according to the second embodiment of the invention in a view from above.
  • the tool according to the invention is connected to a pressing tool 200 and is driven via its roller pair 201.
  • the centering pin 35 ' is arranged between the two punch pliers legs 10, 20, which is attached to the central, rear bore of the T-shaped base member 31 '.
  • Figure 5b is the position of the trapezoidal punch pliers legs 10, 20 opposite Figure 5a unchanged.
  • the upper joint base plate 31 ' including the locking unit 60' has been removed in order to be able to better represent the position of the two punch pliers legs 10, 20 in relation to one another and in relation to the centering bolt 35 '.
  • the front ends 12, 22 of the punch pliers legs 10, 20 are spread apart, they rest against each other on stop surfaces 15 which are slightly below the horizontal line extending through the two bearing bolts 33 '.
  • the maximally splayed position is specified.
  • the two punch pliers legs 10, 20 rest with their rear ends 11, 21 on the centering bolt 35 in order to achieve an exactly symmetrical alignment of the two punch pliers legs with respect to the central axis and to avoid tilting to the side.
  • the storage area for the two punch pliers legs 10, 20 is shown in FIG Figure 5c shown in an enlarged detail.
  • the punch pliers legs 10, 20 lie flat against one another on the stop surfaces 15.
  • the centering bolt 35 'lies between the rear ends 11, 21, with some play so that it is ensured in any case that the stop surfaces 15 lie close to one another and no double fit is formed.
  • Figure 6a is analogous to Figure 5a the position of the trapezoidal punch pliers 100 'according to the invention in relation to a trapezoidal sheet profile 300, but in this illustration the punch legs 10 20 are maximally closed and the punching and pressing tools 50 have penetrated the lateral profile legs of the trapezoidal sheet profile 300.
  • the depth stop 67 ′ also indicates the correct positioning in relation to the trapezoidal sheet metal profile 300 in this position.
  • Figure 6c again shows an enlarged view from the area of the mounting of the two punch pliers legs 10, 20.
  • the two stop surfaces 15 are no longer in front of each other after the front ends 12, 22 have been moved towards each other and those on the other side of the bearing line between the bearing bolts 33 arranged rear ends 11, 21 have been spread apart.
  • the spring 40 holds the closed position of the front legs of the punch pliers legs 10, 20. There is no longer any contact with the centering pin 35 in this position.
  • Fig. 7 shows a trapezoidal punch pliers 100 "according to a third embodiment. This corresponds to the other embodiments with regard to the geometry of the trapezoidal punch legs 10", 20 “and their connection via a joint unit 14 etc. The difference is that the trapezoid punch legs 10", 20 “receiving recesses 16 "in the form of through threaded holes.
  • FIG Fig. 7 The tool according to the invention is shown in FIG Fig. 7 not connected to a pressing tool 200.
  • the position of the trapezoidal punch pliers legs 10 ", 20” is shown in the open position, in which the front ends 12 ", 22" of the punch pliers legs 10 ", 20" are maximally spread apart and the rear stop surfaces 15 "lie against one another.
  • the two trapezoidal punch pliers legs 10 ′′, 20 ′′ are provided with threaded pins 17 ′′ as setting elements, which are introduced into the threaded bores 16 ′′ provided for this purpose.
  • threaded pins 17 ′′ By turning the threaded pins 17 “, their spacing in relation to the stop surfaces 14" on the inner flanks of the punch pliers legs 10 “, 20” changed and thereby the closing angle can be adjusted so that a profile located between the front ends 11 ', 21 "is not squeezed.
  • FIG Fig. 7 A second possibility to limit the dwell angle between the trapezoidal punch pliers legs 10 ′′, 20 ′′ is also shown in FIG Fig. 7 pictured.
  • the schematically shown screw 19 ′′ in the rear area prevents any complete rolling in of the pair of rollers 201 (see Fig. Figure 6a ).
  • the trapezoidal punch pliers legs 10 ′′, 20 ′′ cannot reach their maximum closed position, which is so desired with wider trapezoidal sheets.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Scissors And Nippers (AREA)

Claims (11)

  1. Pince de perçage trapézoïdale (100 ; 100'), comprenant au moins deux branches de pince (10, 20 ; 10", 20") disposées en miroir l'une par rapport à l'autre, chacune avec un poinçon de perçage (50 ; 50"), ainsi qu'une unité d'articulation (30 ; 30') pour relier les deux branches de pince de perçage (10, 20 ; 10", 20"),
    caractérisé en ce que
    - que les extrémités (11 ; 21) des pattes de perçage (10, 20; 10", 20") opposées aux extrémités avant (12 ; 22) avec les poinçons de perçage (50 ; 50") sont conçues pour être reliées à une fourche d'alimentation à double rouleau d'un outil de pressage électrique (200) ;
    - en ce que les branches de perçage (10, 20 ; 10", 20") présentent à leurs extrémités avant (12, 22 ; 12", 22"), dans la zone de l'unité d'articulation (30), des surfaces de butée avant (14) qui, en position de fermeture, s'appliquent l'une contre l'autre, une distance étant maintenue entre les extrémités avant (12 ; 22) des branches de perçage (10, 20 ; 10", 20") et entre les poinçons de perçage (50 ; 50").
  2. Perforateur trapézoïdal (100 ; 100' ; 100") selon la revendication 1, caractérisé en ce que les branches du perforateur (10, 20; 10", 20") présentent, dans la zone de l'unité d'articulation (30), des surfaces de butée arrière (15) aux extrémités arrière (11, 21 ; 11", 21"), les branches du perforateur (10, 20; 10", 20") s'appuyant l'une contre l'autre en position ouverte sur les surfaces de butée arrière (15).
  3. Poinçon trapézoïdal (100 ; 100' ; 100") selon la revendication 1 ou 2, caractérisé en ce que les extrémités arrière (11, 21 ; 11", 21") des branches du poinçon (10 ; 20) présentent chacune un contour intérieur semi-parabolique s'étendant depuis les surfaces de butée arrière (15).
  4. Perforateur trapézoïdal (100 ; 100' ; 100") selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'unité d'articulation (30 ; 30') comprend deux axes d'appui (33 ; 33') fixés entre deux plaques de base d'articulation (31).
  5. Perforateur trapézoïdal (100 ; 100' ; 100") selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'une broche de centrage (35) est disposée sur l'axe central, entre les extrémités arrière (11, 21 ; 11", 21") des branches (10, 20 ; 10", 20") du perforateur trapézoïdal.
  6. Perforateur trapézoïdal (100 ; 100' ; 100") selon la revendication 5, caractérisé en ce que la broche de centrage (35) est disposée entre les plaques de base d'articulation (31) et est reliée à au moins une des plaques de base d'articulation (31).
  7. Perforateur trapézoïdal (100') selon l'une quelconque des revendications 1 à 6, caractérisé par une unité de verrouillage (60') qui est reliée à l'une des plaques de base communes (31) et dans laquelle un élément de butée de profondeur réglable (67') peut être inséré.
  8. Perforateur trapézoïdal (100 ; 100' ; 100") selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les perforateurs (50 ; 50") sont reliés de manière amovible aux extrémités avant (12, 22 ; 12", 22") des pieds du perforateur trapézoïdal (10, 20 ; 10", 20").
  9. Poinçon trapézoïdal (100 ; 100' ; 100") selon la revendication 8, caractérisé en ce que la distance du bord avant du poinçon (50 ; 50") par rapport aux extrémités avant (12, 22 ; 12", 22") est réglable.
  10. Pince de perçage trapézoïdale (100") selon au moins l'une des revendications précédentes, caractérisée en ce que dans au moins une branche de la pince de perçage (10", 20") est disposé au moins un élément de réglage (17") qui peut être réglé transversalement à l'étendue longitudinale des branches de la pince de perçage (10", 20") et qui fait saillie dans l'espace intermédiaire formé entre les branches de la pince de perçage (10", 20").
  11. Perforateur trapézoïdal (100") selon au moins l'une des revendications précédentes, caractérisé en ce qu'un élément de réglage (17") est prévu sur chacune des deux branches du perforateur (10", 20") et en ce que les branches du perforateur (10", 20") présentent deux évidements de réception (16") disposés de manière symétrique par rapport à un axe longitudinal pour les éléments de réglage (17").
EP17180819.9A 2016-07-12 2017-07-11 Pince pour réaliser de troux sur des profiles à section trapézoïdale Active EP3269509B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016103737.9U DE202016103737U1 (de) 2016-07-12 2016-07-12 Trapezlochzange

Publications (2)

Publication Number Publication Date
EP3269509A1 EP3269509A1 (fr) 2018-01-17
EP3269509B1 true EP3269509B1 (fr) 2021-11-03

Family

ID=56852633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17180819.9A Active EP3269509B1 (fr) 2016-07-12 2017-07-11 Pince pour réaliser de troux sur des profiles à section trapézoïdale

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EP (1) EP3269509B1 (fr)
DE (1) DE202016103737U1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113580825B (zh) * 2021-08-02 2023-06-06 南宁市自然资源信息集团有限公司 一种森林调查用打标钳及使用方法
CN113547018A (zh) * 2021-09-01 2021-10-26 桂林福达阿尔芬大型曲轴有限公司 用于检测曲臂差的钻孔装置
DE202021105317U1 (de) 2021-10-01 2022-01-11 H3 Tools GmbH & Co. KG Lochstempel für eine Trapezlochzange
HU5561U (hu) * 2022-06-22 2023-02-28 Tamas Hajba Szerszám trapézlemezek lyukasztásához

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571975A (en) * 1984-03-29 1986-02-25 Pawloski James A Fluid actuated tool
DE19927776B4 (de) 1999-06-17 2012-08-30 REMS-WERK Christian Föll und Söhne GmbH & Co. Preßwerkzeug
DE102011052350A1 (de) * 2011-08-02 2013-02-07 Gustav Klauke Gmbh Backenpaar zum Ausstanzen von Löchern

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EP3269509A1 (fr) 2018-01-17

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