Patents Assigned to Bollhoff Verbindungstechnik GmbH
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Patent number: 11649844Abstract: A thread element mode of plastic, a connection assembly consisting of a support part made of plastic into which the thread element made of plastic has been screwed by creating a counter-thread, a method for manufacturing the connection as well as a method for manufacturing the thread element. The thread element is characterized by an axial piece on which the circumferential windings of a thread turn are interrupted by at least two chip flutes. The resulting winding areas form a cutting web and an inhibition web, whereby the cutting web extends radially beyond the inhibition web.Type: GrantFiled: October 29, 2020Date of Patent: May 16, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventor: Alexander Vorderwisch
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Patent number: 11648651Abstract: The installation tool for a wire thread insert includes: a drive unit which provides a switchable rotation movement between a first and a second direction, a mandrel body with a drive section for rotating the mandrel body and with a drive section for rotating the mandrel body and with a thread section onto which the wire thread insert can be screwed or rotated on, an installation blade as well as a torque clutch consisting of a form-fit and force-fit clutch upper and lower parts engaging each other, of which the upper part is connected with the drive unit in a torque-proof manner and the lower part is connected with the mandrel body in a torque-proof manner. With a decoupled relative rotation between the clutch parts, caused by exceeding a limit torque between the clutch parts, relative movement between the mandrel body and the installation blade can be generated.Type: GrantFiled: December 21, 2018Date of Patent: May 16, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Andreas Marxkors, Holger Thommes, Tobias Beyer, Maximilian Leinkenjost, Klemens Rucha, Alexej Butov, Marcel Purrio, Hermann Zimmermann, Klaus-Friedrich Grubert, Sascha Zavarol, Franz Lutz
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Patent number: 11607762Abstract: A bolt setting method and device for a nail-shaped bolt with a head and a shaft, ending in a tapered manner. The bolt setting method includes: joining the bolt into a component with a deforming stroke during which the bolt reaches a first joining speed of ?4 m/s and the shaft completely penetrates the components with a portion of a maximum diameter with respect to a shaft length, without a bottom side of the head abutting the at least one component, and after the deforming stroke, driving the bolt into the at least one component until a head abutment of the bottom side of the head on the at least one component by at least one friction stroke with which a frictional connection between the shaft and the components is overcome and with which the bolt reaches a second joining speed that is smaller than the first joining speed.Type: GrantFiled: July 21, 2021Date of Patent: March 21, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Stefan Rehling, Adnan Kolac
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Patent number: 11565391Abstract: A tool for installing or removing a wire thread insert. This tool includes a spindle body having an actuator which can be moved axially therein. The actuator interacts with an entraining blade. By the axial movement of the actuator, the entraining blade can be extended out of the axial recess and retracted back into it.Type: GrantFiled: November 8, 2017Date of Patent: January 31, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Andreas Marxkors, Holger Thommes, Hermann Zimmermann
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Patent number: 11549540Abstract: An extension adapter of a plug-in coupling, with which a free space between a male coupling element and a female coupling element can be bridged in a connecting manner and which comprises the following features: a male coupling end which can be inserted into the female coupling element, a female coupling end in which the male coupling element can be received and which is connected to the male coupling end via an intermediate piece, and a locking element which is displaceably arranged in the axial direction of the extension adapter and with which, in a locking position surrounding the female coupling end, the release of a male coupling element from the female coupling end is prevented.Type: GrantFiled: March 15, 2017Date of Patent: January 10, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Jasmin Fritzsch, Heinrich Heinrichs, Michael Kahre
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Patent number: 11511333Abstract: A spring arm sleeve, with which a joining element of a joining device is positionable and which comprises the following features: a tubular section which is formed by a circumferential or all-round wall, the circumferential wall comprises in the circumferential direction a plurality of U-shaped apertures regularly spaced apart from one another, which form a plurality of one-sidedly fastened spring arms which are inclined radially inwards into the tubular section and extend from a fixed end in a first longitudinal direction.Type: GrantFiled: January 8, 2019Date of Patent: November 29, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventors: Jan Robert Ziebart, Bernd Haesler
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Patent number: 11512732Abstract: A tolerance compensation arrangement for fastening first and second components with automatic or self-acting compensation of tolerances in the spacing between the components. The arrangement includes a base element having first and second metal elements with inner threads. An adjustment unit includes a threaded sleeve with an outer thread and a dragging unit at least partially arranged in the threaded sleeve. The outer thread forms a first thread pairing of a first thread direction with the inner thread of the first metal element. A fastening screw can be screwed into the inner thread of the second metal element via a second thread pairing of a second thread direction opposite to the first thread direction. The fastening screw can be connected to the adjustment unit via the dragging unit so that, during the rotation of the fastening screw, the adjustment unit co-rotates and is moved into abutment with the first component.Type: GrantFiled: September 26, 2018Date of Patent: November 29, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventor: Hans-Ulrich Figge
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Patent number: 11466714Abstract: A fastening arrangement with damping effect, consisting of two structurally identical fastening units each having a central first through opening. Each fastening unit comprises a mounting element and a damping element. The mounting element is disc-shaped with a central second through opening and an identical detent structure extends from a first side of each mounting element. The damping element is disc-shaped with a central third through opening and is arranged at last partially in the central second through opening of the mounting element. Due to this construction the two fastening units can be fastened to one another by means of the mutually facing first sides having the identical detent structure of the respective mounting elements with first component arranged between them.Type: GrantFiled: March 31, 2020Date of Patent: October 11, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventors: Andreas Arndt, Thomas Funke, Sandra Steffenfauseweh, Alexander Vorderwisch, Dominik Witt
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Patent number: 11454265Abstract: A tolerance compensation arrangement for fastening a first and second component, with automatic compensation of tolerances in the spacing between the components, has a base element with a first internal thread and a fastening structure for fastening the base element in an opening of the first component. The arrangement has an adjusting unit with a first external thread that forms a first thread pairing of a first thread direction with the first internal thread of the base element, and the adjusting unit has a fastening sleeve with a second internal thread. The arrangement has a dragging unit arranged at least partially in the adjusting unit. A fastening screw can be screwed into the second internal thread, and subsequently to the dragging unit. The adjusting unit can be co-rotated and brought into contact with the second component, and a press fit established between the adjusting unit and the base element.Type: GrantFiled: October 10, 2018Date of Patent: September 27, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventor: Hans-Ulrich Figge
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Patent number: 11415165Abstract: A fastening insert made of plastic with a T-shaped configuration consisting of an insert disc and a hollow cylindrical shaft fastened to the insert disc. The insert disc has a plurality of passage openings arranged off-center, at least one of which has an edge projection extending circumferentially continuously or circumferentially in sections, which is formed as toothing and extends on one side or both sides beyond the respective fastening side of the insert disc. This toothing ensures an additional form-fit connection or fixation of the fastening insert in a preferably fiber-reinforced composite material.Type: GrantFiled: November 14, 2017Date of Patent: August 16, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventors: Stefan Reker, Michael Stumpf
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Patent number: 11365063Abstract: A supply device with which elements in disordered form, in particular connection elements as bulk elements, are suppliable to a second receiving volume. The supply device includes a first receiving container from which, via an outlet opening, a plurality of elements is deliverable to a second receiving container. The second receiving container may consist of an oscillation feeder. The oscillation energy of the oscillation feeder is specifically transmitted onto the elements, which are stored in the first receiving container. With the help of the transmitted oscillations, elements are transferred from the first receiving container via a transfer zone from the first receiving container into the second receiving container.Type: GrantFiled: January 28, 2021Date of Patent: June 21, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventors: Nadja Berger, Wilhelm Westermann, Matthias Vornheder, Torsten Draht
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Patent number: 11365759Abstract: A fastening insert made of plastic with a T-shaped configuration consisting of an insert disc and a hollow cylindrical shaft fastened to the insert disc. The insert disc has a plurality of passage openings arranged off-center, at least one of which has an edge projection extending circumferentially continuously or circumferentially in sections, which is formed as toothing and extends on one side or both sides beyond the respective fastening side of the insert disc. This toothing ensures an additional form-fit connection or fixation of the fastening insert in a preferably fiber-reinforced composite material.Type: GrantFiled: November 14, 2017Date of Patent: June 21, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventors: Stefan Reker, Michael Stumpf
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Patent number: 11345004Abstract: The disclosure relates to a tool for inserting or removing a wire thread insert. The spindle body inserted in the tool has a radial recess, through which an engaging end of the installation blade engages a wire thread insert. The radial recess has a curvilinear circumferential contour or at least one relief notch, which serve for mechanical tension relief in the spindle body.Type: GrantFiled: July 14, 2017Date of Patent: May 31, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventor: Andreas Marxkors
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Patent number: 11339822Abstract: An assembly locking device adapted to a normalized standard or fine thread of a thread shaft of a thread bolt, so that the locking device is positionable in a loss-proof manner on the thread of the thread shaft. The locking device includes: a cylindrical turn comprised of a plurality of helically wound turns, of a wire, a transition turn and adjacent to the second end of the helix is a blocking turn which has a negative pitch PB compared to the holding turn, so that at least an end portion of the blocking turn is elastically displaceable in the axial direction of the central longitudinal axis between an insertion position and a blocking position. The end portion of the blocking turn forms the second end of the helix and in the blocking position is arranged radially outwardly of the transition turn and/or the holding turn.Type: GrantFiled: March 3, 2021Date of Patent: May 24, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventors: Klaus-Friedrich Grubert, André Röhr, Helmut Schäfer, Rayk Gutsche
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Patent number: 11319982Abstract: A fastening insert made of plastic with a T-shaped configuration consisting of an insert disc and a hollow cylindrical shaft fastened to the insert disc. The insert disc has a plurality of passage openings arranged off-center, at least one of which has an edge projection extending circumferentially continuously or circumferentially in sections, which is formed as toothing and extends on one side or both sides beyond the respective fastening side of the insert disc. This toothing ensures an additional form-fit connection or fixation of the fastening insert in a preferably fiber-reinforced composite material.Type: GrantFiled: November 14, 2017Date of Patent: May 3, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventor: Michael Stumpf
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Patent number: 11248645Abstract: A fastener having a damping function with which at least a first and a second component can be connected via a screw connection. The fastener consists of the following components: an elastically deformable outer sleeve, a support sleeve arranged therein and a screw sleeve with telescopic portion arranged in the outer sleeve. When establishing the connection between the components, the outer sleeve folds, whereby the support sleeve and the screw sleeve are moved into each other.Type: GrantFiled: June 12, 2017Date of Patent: February 15, 2022Assignee: Böllhoff Verbindungstechnik GmbHInventors: Hans-Ulrich Figge, Viktor Zelmer
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Patent number: 11167799Abstract: An impact protection reinforcement of a vehicle construction, which is supportively fastenable in the vehicle construction against the action of external mechanical extraordinary load conditions and comprises the following features: an elongated profile element with a longitudinal center line and a transversal center line arranged transversely to the longitudinal center line, which has in the longitudinal direction at each end side a fastening end and a central part therebetween, wherein the central part consists of a circumferentially closed hollow profile with a base layer and a top layer arranged opposite to the base layer, which are connected to each other via lateral faces, and the fastening ends each have a flat shape with at least two fastening points which are spaced apart differently from the transversal center line and the longitudinal center line and are provided as welding connection points to the vehicle construction.Type: GrantFiled: February 26, 2020Date of Patent: November 9, 2021Assignees: Böllhoff Verbindungstechnik GmbH, Constellium Singen GmbHInventors: Sergej Hartwig-Biglau, Christian Lange
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Patent number: 11135637Abstract: A method for determining the quality of a joint fabricated in a plurality of metal sheets by a joining device and a control method. The joining device comprises a drive element, and a hold-down device The method may have the following steps: moving the drive element to move the punch and, via at least one first and one second spring, the hold-down device; recording of a force applied by the drive element with a first sensor and of a distance covered by the drive element with a second sensor during a movement of the drive element in a mating direction and opposite thereto as a force/displacement curve; and comparing a linear relief range in the recorded curve with a reference curve.Type: GrantFiled: November 30, 2016Date of Patent: October 5, 2021Assignee: Böllhoff Verbindungstechnik GmbHInventors: Torsten Draht, Stefan Rehling
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Patent number: 11084229Abstract: A setting welding device is set forth for setting stud-like auxiliary joining parts in a plurality of layers of material and subjecting them to a mechanical-thermoforming process on a second layer of material and connecting them to said second layer by way of a welding operation. For this purpose, the punch is used to apply to the welding auxiliary joining part mechanical and thermal loads that follow prescribed characteristic force and current curves. Furthermore, a corresponding connecting method that can be realized with the aid of the setting welding device is also disclosed.Type: GrantFiled: January 4, 2019Date of Patent: August 10, 2021Assignee: Böllhoff Verbindungstechnik GmbHInventors: Torsten Draht, Sergej Hartwig-Biglau, Holger Thommes
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Patent number: 11073176Abstract: A fastening element consisting of a cage element with a nut arranged therein that is held by a fastening flange in the cage element. The cage element has a wall element which can be moved in an axial direction and shields the seat area of the cage element against the penetration of adhesive while mounting the fastening element on a component surface.Type: GrantFiled: March 17, 2017Date of Patent: July 27, 2021Assignee: Böllhoff Verbindungstechnik GmbHInventors: Michael Stumpf, Franz Drüke, Jörg Matthes