Patents by Inventor Rainer Kwirandt
Rainer Kwirandt 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: 20230341335Abstract: An inspection device for inspecting containers with the container closures arranged thereon, has a lighting device which illuminates the containers to be inspected and an image recording device which is configured for recording spatially resolved images of the containers. The image recording device is at least also aligned with regions of the containers which are arranged in a longitudinal direction of the container below the container closures arranged on the containers, and an evaluation device is provided which is configured to, from at least one image recorded of the container provided with the marking, a relative rotational position of this container with respect to the container closure arranged on the container.Type: ApplicationFiled: July 21, 2021Publication date: October 26, 2023Inventors: Anton NIEDERMEIER, Rainer KWIRANDT, Stefan PIANA
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Publication number: 20220334066Abstract: An apparatus for inspecting containers and in particular cans, having an illumination device which illuminates the can to be inspected and radiates radiation onto an inner base wall of the container, and having an image recording device which records at least one spatially resolved image of the inner base wall illuminated by the illumination device is provided. The apparatus has a first polarization device in a beam path between a light source of the illumination device and the inner base wall in such a way that the radiation reaching the inner base wall is polarized, wherein the illumination device being designed in such a way that a predominant proportion of the radiation irradiated into the container by the illumination device reaches the inner base wall.Type: ApplicationFiled: April 4, 2022Publication date: October 20, 2022Inventors: Stefan PIANA, Rainer KWIRANDT
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Publication number: 20220307987Abstract: The disclosure relates to a method for optically inspecting containers, wherein the containers are transported to an inspection unit with an illumination unit and with a camera, wherein the illumination unit emits light from a flat light-emitting surface, wherein the light is transmitted or reflected via the containers, wherein the camera captures a respective at least one of the containers and the light transmitted or reflected via same in at least one camera image, and wherein the at least one camera image is analysed by an image processing unit for intensity information in order to identify foreign bodies and/or defects in the container.Type: ApplicationFiled: March 6, 2020Publication date: September 29, 2022Inventors: Anton NIEDERMEIER, Rainer KWIRANDT
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Patent number: 9533787Abstract: A device for detecting elevations and/or depressions on bottles, in particular in a labeling machine, the device comprising a lighting unit with a light screen for generating a light reflection on a bottle to be examined and at least one camera for detecting the light reflection. By areas of varying luminance being formed on the light screen, molding seams can be reliably detected over a large area of the bottle wall and embossings can be located in various rotational positions of the bottle. The invention also relates to a method for applying the device.Type: GrantFiled: May 12, 2010Date of Patent: January 3, 2017Assignee: KRONES AGInventor: Rainer Kwirandt
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Patent number: 8663761Abstract: A plastic preform, having a base body, a thread region arranged on the base body, wherein the thread region is formed in one piece with the base body, and a ring-shaped section which is arranged underneath the thread region, which extends outwards in a radial direction (R) of the plastic container and which is formed in one piece with the base body, wherein the ring-shaped section has a first surface facing the base body and a second surface facing the thread region. At least one optically perceivable marking is arranged on the surface facing the base body.Type: GrantFiled: October 7, 2011Date of Patent: March 4, 2014Assignee: Krones AGInventors: Rainer Kwirandt, Gerald Huettner
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Patent number: 8624972Abstract: An inspection device and a method for recognizing embossings and/or labels on transparent vessels, in particular beverage bottles, and having a camera for imaging an embossing and a label of a vessel to be examined, and a transmitted light lamp provided with a luminescent screen and used for sending transmitted light through the embossing. In this way, a compact inspection device for recognizing labels and/or embossings and for examining their positions is provided.Type: GrantFiled: April 30, 2010Date of Patent: January 7, 2014Assignee: Krones AGInventor: Rainer Kwirandt
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Patent number: 8620062Abstract: An apparatus for the detection of a geometrical position of plastics material containers, for example, plastics material pre-forms, having a base member and a thread region may include an image-recording device, which records a locally resolved image of the plastics material container. The image-recording device is arranged in such a way that it observes the plastics material container substantially along its longitudinal direction. The apparatus includes an illumination device, which illuminates at least one region of the plastics material container observed by the image-recording device, and an evaluation device, which on the basis of an image recorded by the image-recording device determines a rotary setting of the plastics material container with respect to its longitudinal direction.Type: GrantFiled: October 7, 2011Date of Patent: December 31, 2013Assignee: Krones AGInventor: Rainer Kwirandt
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Patent number: 8600148Abstract: A device for inspecting the external surfaces of containers using a radiation device which directs light onto a container to be inspected. The device includes a transport device for transporting the container with respect to the radiation device, and an image capturing device which captures the container illuminated by the radiation device, with a background being located behind the container with respect to the image capturing device, with respect which the container can be imaged. The background has both a lighter area and a darker area by comparison with this lighter area.Type: GrantFiled: December 24, 2009Date of Patent: December 3, 2013Assignee: Krones AGInventor: Rainer Kwirandt
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Patent number: 8593515Abstract: A method for quality control of a stretch-blow-molded plastic container by inspecting its base, which method is easy to execute and is not highly susceptible to faults. Such inspection of the container bases includes determining quality features such as the surface area of an unstretched and/or only slightly stretched region of the base of the plastic container.Type: GrantFiled: August 29, 2006Date of Patent: November 26, 2013Assignee: Krones AGInventors: Christian Detrois, Peter Lindner, Rainer Kwirandt, Anton Niedermeier, Stefan Piana
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Patent number: 8581977Abstract: An apparatus and a method for inspecting labeled containers, allowing a detection of holes in the label, with a high hit rate, even in cases where the color of the label is similar to that of the filled product, wherein the label is irradiated with visible light and invisible light and/or is imaged in incident light and transmitted light.Type: GrantFiled: August 26, 2010Date of Patent: November 12, 2013Assignee: Krones AGInventors: Anton Niedermeier, Rainer Kwirandt
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Patent number: 8324559Abstract: An inspection apparatus for optically examining bottles, having a mirror cabinet for imaging different circumferential side views of a bottle to be examined. The deflection mirrors for beam paths associated with lateral image areas are tilted such that an image distortion caused by central projection will be compensated for in the lateral image areas.Type: GrantFiled: December 18, 2009Date of Patent: December 4, 2012Assignee: Krones AGInventor: Rainer Kwirandt
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Publication number: 20120089252Abstract: An apparatus for the detection of a geometrical position of plastics material containers, for example, plastics material pre-forms, having a base member and a thread region may include an image-recording device, which records a locally resolved image of the plastics material container. The image-recording device is arranged in such a way that it observes the plastics material container substantially along its longitudinal direction. The apparatus includes an illumination device, which illuminates at least one region of the plastics material container observed by the image-recording device, and an evaluation device, which on the basis of an image recorded by the image-recording device determines a rotary setting of the plastics material container with respect to its longitudinal direction.Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Applicant: KRONES AGInventor: Rainer KWIRANDT
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Publication number: 20120085670Abstract: A plastic container (1), in particular a plastic preform (1), having a base body (2), a thread region (4) arranged on the base body, wherein the thread region (4) is formed in one piece with the base body (2), and a section (6) of which at least parts are annular and which is arranged underneath the thread region (4), extends outwards in a radial direction (R) of the plastic container (1) and is formed in one piece with the base body, wherein the annular section has a first surface (6a) facing the base body (2) and a second surface (6b) facing the thread region (4). According to the invention, at least one optically perceivable marking (10) is arranged on the surface (6a) facing the base body (2).Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Inventors: Rainer Kwirandt, Gerald Huettner
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Patent number: 8004667Abstract: An inspection apparatus for containers, comprising a first illumination device which directs light having first characteristic properties onto the base of the container, a second illumination device which directs light having second characteristic properties, which differ at least partially from the first characteristic properties, onto the base of the container, and at least one image recording device which receives at least a portion of the light directed onto the base of the container and transmitted by the latter. At least the second illumination device illuminates the base of the container in an indirect manner.Type: GrantFiled: September 27, 2007Date of Patent: August 23, 2011Assignee: Krones AGInventor: Rainer Kwirandt
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Patent number: 7911602Abstract: An inspection device (1) for inspecting container closures (10), having an illumination device (4) which is situated above the container closures (10) to be inspected and illuminates the container closures, an image recording device (2) which is situated above the container closures (10) to be inspected and which records the radiation directed from the illumination device (4) onto the container closures (10) and reflected back by the container closures (10) and outputs a locally resolved image of the container closures. The distance between the image recording device (2) and the container closure (10) to be inspected is less than ten times the height of the container closure (10), and the image recording device (2) has a lens (8) which has a focal length of less than 10 mm.Type: GrantFiled: April 17, 2008Date of Patent: March 22, 2011Assignee: Krones AGInventors: Ulrich Schlieper, Rainer Kwirandt
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Publication number: 20110050884Abstract: An apparatus and a method for inspecting labeled containers, allowing a detection of holes in the label, with a high hit rate, even in cases where the color of the label is similar to that of the filled product, wherein the label is irradiated with visible light and invisible light and/or is imaged in incident light and transmitted light.Type: ApplicationFiled: August 26, 2010Publication date: March 3, 2011Applicant: KRONES AGInventors: Anton Niedermeier, Rainer Kwirandt
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Publication number: 20100290695Abstract: A device for detecting elevations and/or depressions on bottles, in particular in a labeling machine, the device comprising a lighting unit with a light screen for generating a light reflection on a bottle to be examined and at least one camera for detecting the light reflection. By areas of varying luminance being formed on the light screen, molding seams can be reliably detected over a large area of the bottle wall and embossings can be located in various rotational positions of the bottle. The invention also relates to a method for applying the device.Type: ApplicationFiled: May 12, 2010Publication date: November 18, 2010Applicant: KRONES AGInventor: Rainer Kwirandt
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Publication number: 20100289892Abstract: An inspection device and a method for recognizing embossings and/or labels on transparent vessels, in particular beverage bottles, and having a camera for imaging an embossing and a label of a vessel to be examined, and a transmitted light lamp provided with a luminescent screen and used for sending transmitted light through the embossing. In this way, a compact inspection device for recognizing labels and/or embossings and for examining their positions is provided.Type: ApplicationFiled: April 30, 2010Publication date: November 18, 2010Applicant: KRONES AGInventor: Rainer Kwirandt
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Publication number: 20100225908Abstract: An inspection apparatus for containers, comprising a first illumination device which directs light having first characteristic properties onto the base of the container, a second illumination device which directs light having second characteristic properties, which differ at least partially from the first characteristic properties, onto the base of the container, and at least one image recording device which receives at least a portion of the light directed onto the base of the container and transmitted by the latter. At least the second illumination device illuminates the base of the container in an indirect manner.Type: ApplicationFiled: September 27, 2007Publication date: September 9, 2010Applicant: KRONES AGInventor: Rainer Kwirandt
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Publication number: 20100158344Abstract: A device (1) for inspecting the external surfaces of containers (10) by means of a radiation device (2) which directs light onto a container (10) to be inspected, including a transport device (4) transporting the container with respect (10) to the radiation device (2), and including an image capturing device (6) which captures the container illuminated by the radiation device, with a background (12) being located behind the container with respect to the image capturing device (6), with respect which the container (10) can be imaged. According to the invention, the background (12) has both a lighter area (12a) and a darker area (12b) by comparison with this lighter area.Type: ApplicationFiled: December 24, 2009Publication date: June 24, 2010Inventor: Rainer Kwirandt