Patents by Inventor Ulrich Rattunde
Ulrich Rattunde has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240131568Abstract: The invention relates to a method for straightening non-straight bar-shaped material (1) by determining a target plastic deformation (s_soll) at a forming position (12) of the bar-shaped material (1), moving a straightening hammer (8) with integrated measuring probe (7) to the forming position (12), a first forming stroke (h_1) of the straightening hammer (8) is carried out, an actual plastic deformation (s_ist) caused by the first forming stroke (h_1) is determined by means of the integrated measuring probe (7), a second forming stroke (h_2) is determined from the actual plastic deformation (s_ist) caused by the first forming stroke (h_1) and the target plastic deformation (s_soll).Type: ApplicationFiled: January 5, 2022Publication date: April 25, 2024Inventor: ULRICH RATTUNDE
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Patent number: 11440059Abstract: The invention relates to a washing machine for longitudinal profiled sections (5), comprising a drum (1, 2) that can be rotated about a horizontal rotational axis (10, 11) and comprises a plurality of receiving areas (101, 102, 103, 104, 105, 106, 107, 108, 109 or 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210) which are arranged along the circumference of the drum, which are laterally delimited by lamellas (3, 4), which are open in the radial direction, and into which the longitudinal profiled sections (5) can be inserted along the longitudinal direction (L).Type: GrantFiled: July 12, 2016Date of Patent: September 13, 2022Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 11305447Abstract: A pipe cutting machine with a pipe (3), from which a pipe section (3a) is to be cut to size, a stationary cutting die (1), a movable cutting die (2) which can be moved relative to the stationary cutting die (1), and a cutting mandrel (13) which is introduced into the pipe (3) and which comprises a stationary mandrel (14) and a mandrel (16) that can be moved relative to the stationary mandrel (14). The cutting mandrel (13) is arranged in a cutting position during a cutting process, and the cutting mandrel (13) is arranged in the pipe (3) in a floating manner. A magnetic coupling (6) is provided with a coupling stator (7) arranged outside of the pipe (3) and a coupling rotor (21) arranged on the stationary mandrel (14).Type: GrantFiled: November 16, 2018Date of Patent: April 19, 2022Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 11224948Abstract: A twin clamp, comprising two receptacles (61, 62), each of which has two movable clamping jaws (611, 612, 621, 622) and by means of each of which an elongate profile segment (71, 72) having a circular cross-section can be clamped in the contact section, each elongate profile segment having a centre axis (D71, D72) and an outside diameter, wherein two clamping jaws (611, 612, 621, 622) of different receptacles (61, 62) are coupled to one another via a respective differential gearing (41, 42) and two clamping jaws (611, 612, 621, 622) of the same receptacle (61, 62) are coupled to one another via a synchronous gearing (51, 52) and the position of the centre axes (D71, D72) of the clamped elongate profile segments (71, 72) is independent of the size of the outside diameters of the elongate profile segments (71, 72).Type: GrantFiled: June 11, 2019Date of Patent: January 18, 2022Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 11179786Abstract: A pipe cutting machine, which includes a hole-type movable cutting die (6b), which is driven by a drive lever (7), by means of which circular movements with a continuously variable stroke (h) can be performed, an eccentrically shaped crank pin bearing (26) in an outer shaft (18), in which a crank pin (11), which is arranged eccentrically on a crank pin drive (23), is movably supported in relation to the outer shaft (18), the crank pin (11) being in operative connection with the drive lever (7).Type: GrantFiled: September 11, 2017Date of Patent: November 23, 2021Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 11173741Abstract: A method for verifying a marking (8), wherein compressed air is continually supplied to a needle piston (2), which oscillates in a needle head housing (7) of a marking head (1) and which has a needle (3) on one end, which inserts the marking (8) into a surface (4), pressure fluctuations are formed in a compressed air supply line (10) during the oscillation, compressed air is continually measured in the compressed air supply line (10), a pressure profile is created and is compared to a reference pressure profile stored in an evaluating unit (12) and is evaluated.Type: GrantFiled: November 21, 2018Date of Patent: November 16, 2021Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 11099011Abstract: The invention relates to a method for determining material dimensions of a longitudinal profiled section (2) during a sawing process, in which a saw blade (3) is advanced, the longitudinal profiled section (2) being machined by said saw blade (3) along a saw groove during this time; advancement position data of said saw blade (3) along the advancement path (s) being determined and, during this sawing operation, additional measurement data being determined from the group of sawing force (Fs) or another variable which corresponds to the sawing force (Fs). The invention is characterised in that an actual profile is determined from the advancement position data and said additional measurement data.Type: GrantFiled: November 24, 2015Date of Patent: August 24, 2021Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 11045877Abstract: The invention relates to a cutting machine with a receiving area for a tube section and with a tool head (1) which can be rotated relative to the receiving area about a longitudinal axis (L), has at least one cutting tool (6) for machining a tube section end (40) of the tube section located in the receiving area, and has a support component (2), wherein the support component faces the receiving area and has an annular component (3) which rotates relative to the support component (2) about the longitudinal axis (L) and is designed to be randomly supported on a tube wall (42, 42) of the tube section end (40). The invention further relates to a corresponding method for reducing vibrations.Type: GrantFiled: November 1, 2016Date of Patent: June 29, 2021Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 10967522Abstract: The invention relates to a twin gripper (1) for gripping two round-profile portions (2, 3) simultaneously, having a first mount (6) with a first bearing means (6a) and a further first bearing means (6b), and having a second mount (7) with a second bearing means (7a) and a further second bearing means (7b), wherein the first and second bearing means (6a, 7a) are connected to one another in a fixed position, and the first and second further bearing means (6b, 7b) are connected to one another in a resilient manner, and the two bearing means (6a, 7a) can be displaced back and forth in a displacement direction (V) in relation to the two further bearing means (6b, 7b).Type: GrantFiled: November 10, 2014Date of Patent: April 6, 2021Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 10857642Abstract: The invention relates to a chip extraction system for the continuous disposal of chips, comprising a chip extracting tube (9), which opens out into a vacuum chamber (2) with a base on which chips (12) that are sucked in collect, a chip discharging tube (17), which has an inlet (16) arranged on the base and an outlet (18) arranged outside the vacuum chamber (2), wherein an inner cross-sectional area of the chip discharging tube (17) increases between the inlet (16) and the outlet (18), and at least one chip forcing device (14, 19), which is arranged at the inlet (16) and forces the chips (12) that have collected on the base into the inlet (16).Type: GrantFiled: March 22, 2017Date of Patent: December 8, 2020Assignee: Rattunde AGInventor: Ulrich Rattunde
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Publication number: 20200369071Abstract: A method for verifying a marking (8), wherein compressed air is continually supplied to a needle piston (2), which oscillates in a needle head housing (7) of a marking head (1) and which has a needle (3) on one end, which inserts the marking (8) into a surface (4), pressure fluctuations are formed in a compressed air supply line (10) during the oscillation, compressed air is continually measured in the compressed air supply line (10), a pressure profile is created and is compared to a reference pressure profile stored in an evaluating unit (12) and is evaluated.Type: ApplicationFiled: November 21, 2018Publication date: November 26, 2020Inventor: Ulrich Rattunde
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Patent number: 10816953Abstract: A method for machining a longitudinal profile section having an actual length and a first and a second end, wherein the first and the second end are machined using respectively a first and a second tool head and material is continuously abraded by the first and second rotating tool head during a machining period, the machining period is divided into time increments (?ti), a torque (M(ti,) M?(ti)) of the tool head is measured for each time increment (?ti) and an individual energy consumption (E(?ti), E?(?ti)) is determined for each time increment (?ti), said individual energy consumption corresponding to an individual quantity of material abraded during the time increment (?ti), and a total energy consumption (E(t), E?(t)) both of the first and of the second tool head is determined from the individual energy consumptions (E(?ti), E?(?ti)), said total energy consumption corresponding to the total quantity of abraded material.Type: GrantFiled: August 27, 2014Date of Patent: October 27, 2020Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 10801826Abstract: The invention relates to a measuring device for measuring runout of an end face (6, 7) of an elongate profiled member (3), said measuring device comprising: at least one measuring head (33, 34) that can move back and forth along a longitudinal axis (L) and has a plurality of styluses (333, 343) which are placed next to each other, can individually move relative to the measuring head (33, 34) in the longitudinal direction and are oriented towards a support (31, 32) for the elongate profiled member (3), said support (31, 32) being located next to the measuring head (33, 34); and an evaluation unit that is connected in a data conducting manner to each of the styluses (333, 343) and calculates the runout from the individual values measured by the styluses (333, 343).Type: GrantFiled: November 14, 2016Date of Patent: October 13, 2020Assignee: Rattunde AGInventor: Ulrich Rattunde
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Publication number: 20200316696Abstract: A pipe cutting machine with a pipe (3), from which a pipe section (3a) is to be cut to size, a stationary cutting die (1), a movable cutting die (2) which can be moved relative to the stationary cutting die (1), and a cutting mandrel (13) which is introduced into the pipe (3) and which comprises a stationary mandrel (14) and a mandrel (16) that can be moved relative to the stationary mandrel (14). The cutting mandrel (13) is arranged in a cutting position during a cutting process, and the cutting mandrel (13) is arranged in the pipe (3) in a floating manner. A magnetic coupling (6) is provided with a coupling stator (7) arranged outside of the pipe (3) and a coupling rotor (21) arranged on the stationary mandrel (14).Type: ApplicationFiled: November 16, 2018Publication date: October 8, 2020Inventor: Ulrich Rattunde
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Patent number: 10562143Abstract: A method for reducing regenerative chatter in chip-removal machines wherein a tool head (2) machines walls of a workpiece (1) by means of at least one chip-removal tool and during this machining, the tool head is vibrationally excited and a loose additional mass (mz) is moved by the vibration. The additional mass randomly touches the tool head (2) in first position or randomly has no connection to the tool head (2) in second position, and thus the total mass of the tool head (2) is randomly changed by the amount of the additional mass (mz). This change in mass of the tool head in turn changes the frequency of vibration.Type: GrantFiled: February 23, 2016Date of Patent: February 18, 2020Assignee: Rattunde AGInventor: Ulrich Rattunde
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Publication number: 20190321899Abstract: A pipe cutting machine, which includes a hole-type movable cutting die (6b), which is driven by a drive lever (7), by means of which circular movements with a continuously variable stroke (h) can be performed, an eccentrically shaped crank pin bearing (26) in an outer shaft (18), in which a crank pin (11), which is arranged eccentrically on a crank pin drive (23), is movably supported in relation to the outer shaft (18), the crank pin (11) being in operative connection with the drive lever (7).Type: ApplicationFiled: September 11, 2017Publication date: October 24, 2019Inventor: Ulrich Rattunde
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Publication number: 20190291222Abstract: A twin clamp, comprising two receptacles (61, 62), each of which has two movable clamping jaws (611, 612, 621, 622) and by means of each of which an elongate profile segment (71, 72) having a circular cross-section can be clamped in the contact section, each elongate profile segment having a centre axis (D71, D72) and an outside diameter, wherein two clamping jaws (611, 612, 621, 622) of different receptacles (61, 62) are coupled to one another via a respective differential gearing (41, 42) and two clamping jaws (611, 612, 621, 622) of the same receptacle (61, 62) are coupled to one another via a synchronous gearing (51, 52) and the position of the centre axes (D71, D72) of the clamped elongate profile segments (71, 72) is independent of the size of the outside diameters of the elongate profile segments (71, 72).Type: ApplicationFiled: June 11, 2019Publication date: September 26, 2019Inventor: Ulrich Rattunde
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Patent number: 10357860Abstract: The invention relates to a twin clamp, comprising two receptacles (61, 62), each of which has two movable clamping jaws (611, 612, 621, 622) and by means of each of which an elongate profile segment (71, 72) having a circular cross-section can be clamped in the contact section, each elongate profile segment having a center axis (D71, D72) and an outside diameter, wherein two clamping jaws (611, 612, 621, 622) of different receptacles (61, 62) are coupled to one another via a respective differential gearing (41, 42) and two clamping jaws (611, 612, 621, 622) of the same receptacle (61, 62) are coupled to one another via a synchronous gearing (51, 52) and the position of the center axes (D71, D72) of the clamped elongate profile segments (71, 72) is independent of the size of the outside diameters of the elongate profile segments (71, 72).Type: GrantFiled: August 13, 2014Date of Patent: July 23, 2019Assignee: Rattunde AGInventor: Ulrich Rattunde
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Patent number: 10293417Abstract: The invention relates to a method for sawing a long profile (3) in that a sawing disc (2) having teeth (6) arranged around a circular outer circumference of the sawing disc (2) is rotated freely, the sawing disc (2) is advanced from a freely rotating position to an outer wall of the long profile (3), and a zero tooth (Z1, Z2, Z3, Z4) engages as the first of the teeth (6) in the material of the outer wall, wherein, during the free rotation of the sawing disc (2), lateral runouts (d) of the teeth (6) are determined, and a tooth (6) having a minimum lateral runout (d) is determined and used as the zero tooth (Z1, Z2, Z3, Z4).Type: GrantFiled: November 24, 2015Date of Patent: May 21, 2019Assignee: Rattunde AGInventor: Ulrich Rattunde
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Publication number: 20190111531Abstract: The invention relates to a chip extraction system for the continuous disposal of chips, comprising a chip extracting tube (9), which opens out into a vacuum chamber (2) with a base on which chips (12) that are sucked in collect, a chip discharging tube (17), which has an inlet (16) arranged on the base and an outlet (18) arranged outside the vacuum chamber (2), wherein an inner cross-sectional area of the chip discharging tube (17) increases between the inlet (16) and the outlet (18), and at least one chip forcing device (14, 19), which is arranged at the inlet (16) and forces the chips (12) that have collected on the base into the inlet (16).Type: ApplicationFiled: March 22, 2017Publication date: April 18, 2019Inventor: Ulrich Rattunde