Patents Assigned to Plast-Control GmbH
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Patent number: 10632651Abstract: The method of filling a weighing container (10) for plastics granulate (12), wherein the granulate is dropped from a supply tube (26) into the weighing container (10) via a shutter (22), wherein the weighing container (10) is closed-off on the top side by a wall having a conical part (16) that reaches directly up the shutter (22), and in that the weighing container is filled with granulate up to the level of the shutter (22).Type: GrantFiled: October 2, 2017Date of Patent: April 28, 2020Assignee: Plast-Control GmbHInventor: Stefan Konermann
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Patent number: 10557746Abstract: A granule-dosing system for plastics processing machines including a weighing container removably retained in an operating position on a framework; a plurality of supply containers having outlets which are connected to an inlet of the weighing container via dosing mechanisms; a mixer with an inlet which is connected to an outlet of the weighing container; and a safety switch and a control device designed to switch off the dosing mechanisms and/or the mixer when the safety switch emits a switch-off signal, wherein the weighing container is configured such that, in the operating position, it blocks access to the dosing mechanisms and/or to the inlet of the mixer, and the safety switch is arranged on the framework such that it emits the switch-off signal when the weighing container is removed from the operating position.Type: GrantFiled: December 3, 2015Date of Patent: February 11, 2020Assignee: Plast-Control GmbHInventor: Stefan Konermann
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Patent number: 8561313Abstract: An apparatus for measuring film bubbles (10), includes a guide track (22) that extends in a circumferential direction of the film bubble with a constant spacing relative to the latter, the guide track guiding a carriage (20) which carries a measuring head (12) facing the peripheral surface of the film bubble (10), the measuring head (12) is connected to a free end of a cantilever (18) via an articulated joint (16), the cantilever having another end pivotally connected to the carriage (20), and a compensating drive mechanism (30) for correcting a change in the orientation of the measuring head (12) resulting from a pivotal movement of the cantilever (18) is associated with the articulated joint (16).Type: GrantFiled: April 27, 2011Date of Patent: October 22, 2013Assignee: Plast-Control GmbHInventors: Frank Müller, Markus Stein, Stefan Konermann
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Patent number: 8562204Abstract: Apparatus for dosed mixing of pourable material components, includes a mixing container, two weighing containers, each of the weighing containers including a closable discharge opening for discharging the weighing container into the mixing container; and a weighing device for weighing the content of the weighing container, and several storage containers for respective material components, each storage container including a feeding device for feeding material from the storage container to an assigned weighing container, and the mixing container is arranged below the weighing containers such that the weighing containers are simultaneously dischargeable through the discharge openings into the mixing container.Type: GrantFiled: October 16, 2008Date of Patent: October 22, 2013Assignee: Plast-Control GmbHInventor: Stefan Konermann
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Patent number: 8561455Abstract: A sensor head for measurement of a film, includes a guide surface (14) for the film, at least one sensor element (28, 30) integrated in the guide surface for measuring a property of the film, and a generator for generating an air cushion between the guide surface (14) and the film, the generator including a system for supplying a pressure medium, and a guide member (12) that is made of a porous material and forms at least a part of the guide surface (14) and is adapted to distributedly discharge the pressure medium into the air cushion, the guide member (12) having a channel system (16, 18) that divides the guide surface (14) into a plurality of fields (20, 22) that, if not disconnected, are connected only by narrow lands, the channel system being configured for draining the pressure medium from the air cushion.Type: GrantFiled: November 3, 2010Date of Patent: October 22, 2013Assignee: Plast-Control GmbHInventors: Stefan Konermann, Markus Stein
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Patent number: 8315833Abstract: A method for contactless capacitive thickness measurement of a flat material (10) that is placed in the fringe field (32) of a capacitor (C1,C2), with simultaneous measurement of the width L of an air gap (16) between the flat material and the capacitor plates, in which the capacities gL, kL of two capacitors (C1, C2) are measured whose fringe fields (32) decay at different rates towards the flat material (10), and in that both, the thickness D of the flat material (10) and the width L of the air gap (16) are determined on the basis of the condition that, for each capacitor (C1, C2), the measured capacity gL, kL is equal to the integral of the capacity gradient g?, k? over the thickness of the flat material (10).Type: GrantFiled: August 19, 2008Date of Patent: November 20, 2012Assignee: Plast-Control GmbHInventors: Stefan Konermann, Markus Stein
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Publication number: 20110265556Abstract: An apparatus for measuring film bubbles (10), includes a guide track (22) that extends in a circumferential direction of the film bubble with a constant spacing relative to the latter, the guide track guiding a carriage (20) which carries a measuring head (12) facing the peripheral surface of the film bubble (10), the measuring head (12) is connected to a free end of a cantilever (18) via an articulated joint (16), the cantilever having another end pivotally connected to the carriage (20), and a compensating drive mechanism (30) for correcting a change in the orientation of the measuring head (12) resulting from a pivotal movement of the cantilever (18) is associated with the articulated joint (16).Type: ApplicationFiled: April 27, 2011Publication date: November 3, 2011Applicant: PLAST-CONTROL GMBHInventors: Frank Müller, Markus Stein, Stefan Konermann
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Publication number: 20110107818Abstract: A sensor head for measurement of a film, includes a guide surface (14) for the film, at least one sensor element (28, 30) integrated in the guide surface for measuring a property of the film, and a generator for generating an air cushion between the guide surface (14) and the film, the generator including a system for supplying a pressure medium, and a guide member (12) that is made of a porous material and forms at least a part of the guide surface (14) and is adapted to distributedly discharge the pressure medium into the air cushion, the guide member (12) having a channel system (16, 18) that divides the guide surface (14) into a plurality of fields (20, 22) that, if not disconnected, are connected only by narrow lands, the channel system being configured for draining the pressure medium from the air cushion.Type: ApplicationFiled: November 3, 2010Publication date: May 12, 2011Applicant: PLAST-CONTROL GMBHInventors: Stefan Konermann, Markus Stein
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Publication number: 20100256951Abstract: A method for contactless capacitive thickness measurement of a flat material (10) that is placed in the fringe field (32) of a capacitor (C1, C2), with simultaneous measurement of the width L of an air gap (16) between the flat material and the capacitor plates, in which the capacities gL, kL of two capacitors (C1, C2) are measured whose fringe fields (32) decay at different rates towards the flat material (10), and in that both, the thickness D of the flat material (10) and the width L of the air gap (16) are determined on the basis of the condition that, for each capacitor (C1, C2), the measured capacity gL, kL is equal to the integral of the capacity gradient g?, k? over the thickness of the flat material (10).Type: ApplicationFiled: August 19, 2008Publication date: October 7, 2010Applicant: PLAST-CONTROL GMBHInventors: Stefan Konermann, Markus Stein
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Publication number: 20100220546Abstract: Apparatus for dosed mixing of pourable material components, includes a mixing container, two weighing containers, each of the weighing containers including a closable discharge opening for discharging the weighing container into the mixing container; and a weighing device for weighing the content of the weighing container, and several storage containers for respective material components, each storage container including a feeding device for feeding material from the storage container to an assigned weighing container, wherein and the mixing container is arranged below the weighing containers such that the weighing containers are simultaneously dischargeable through the discharge openings into the mixing container.Type: ApplicationFiled: October 16, 2008Publication date: September 2, 2010Applicant: PLAST-CONTROL GMBHInventor: Stefan Konermann
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Publication number: 20090299930Abstract: A method of measuring the thickness profile of a film produced in a blow film line having a rotatable pull-off rig in which a flattened film tube is scanned by performing individual measurements at measurement positions distributed over the width over the film tube and, in each individual measurement, the total thickness of two segments of the film tube is measured that are superposed at the measurement position, the thickness profile is calculated from the measured values obtained for a number individual measurements that is larger than the number of measurement positions, the improvement including the steps of training a neural network with measured values for the total thicknesses, which measured values have been obtained in simulated or real measurement processes with known thickness profiles and supplying the measured results obtained by scanning the film tube to the neural network for calculating the thickness profile.Type: ApplicationFiled: May 26, 2009Publication date: December 3, 2009Applicant: PLAST-CONTROL GMBHInventors: Stefan Konermann, Michael Gunther, Roland Pulch, Andreas Bartel, Markus Stein
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Patent number: 7369255Abstract: Method for measuring thicknesses of a film, a foil or a material layer with a measuring head which is spaced away from the film and with which a capacitive thickness measurement is performed, in which an optical distance measurement is performed with a distance measuring device and a distance determined by the optical distance measurement is used in determining the film thickness in the capacitive thickness measurement.Type: GrantFiled: January 9, 2006Date of Patent: May 6, 2008Assignee: Plast-Control GmbHInventors: Stefan Konermann, Markus Stein
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Publication number: 20060152231Abstract: Method for measuring thicknesses of a film, a foil or a material layer with a measuring head which is spaced away from the film and with which a capacitive thickness measurement is performed, in which an optical distance measurement is performed with a distance measuring device and a distance determined by the optical distance measurement is used in determining the film thickness in the capacitive thickness measurement.Type: ApplicationFiled: January 9, 2006Publication date: July 13, 2006Applicant: Plast-Control GmbHInventors: Stefan Konermann, Markus Stein