Patents by Inventor Gabriel Schneider
Gabriel Schneider 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: 20220266346Abstract: A powder discharge module serves for a recoating device of an additive manufacturing device. A powder discharge module has a powder container for receiving the building material in powder form, and the powder container includes a supply opening for supplying the building material in powder form to the powder container and a discharge section facing the working plane, the discharge section having at least a first discharge device for discharging building material in powder form and at least one fluidization zone for fluidizing the building material in powder form using a gas in the powder container. The powder container further includes a first flow reduction element provided in the powder container.Type: ApplicationFiled: June 24, 2020Publication date: August 25, 2022Applicant: EOS GmbH Electro Optical SystemsInventors: Stefan Gruenberger, Stefan Kneisel, Gabriel Schneider, Stefanie Markl, Stefan Paternoster
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Patent number: 10132011Abstract: A rotatably mounted suction drum (14) of a device (VM) for compacting a fiber material (V) on a spinning machine having an annular drive element (20) which, in the operating position, rests via a portion of its inner surface (IF) on a portion of a circular peripheral surface (AU) of a projection (13) that extends coaxial to an axis of rotation (A1) of the suction drum (14) and is mounted on an end face (35) of the suction drum (14). In order to prevent fibers detached from the fiber material (V) from settling between the inner surface (IF) of the drive element (20) and the peripheral surface (AU) of the projection (13), the suction drum (14), on the end face (35) having the projection (13), has a peripheral elevation (36) and the drive element (20) on the side (46) directed toward the end face (35) of the suction drum (14) has a peripheral recess (37), wherein the elevation (36) protrudes into the recess (37) a labyrinth seal.Type: GrantFiled: September 1, 2014Date of Patent: November 20, 2018Assignee: Maschinenfabrik Rieter AGInventors: Ludek Malina, Robert Nägeli, Gabriel Schneider
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Patent number: 10030324Abstract: An apparatus for compacting a fiber sliver on a spinning machine, has a carrier which has a receptacle for a bolt. A rotatably mounted suction drum has a closed end face and an open end face. A bearing element is disposed in the region of the closed end face. The suction drum is rotatably mounted on an end section of the bolt by the bearing element so that the bolt protrudes out of the open end face of the suction drum. To permit assembly and/or disassembly of the suction drum during the entire running time of the compaction apparatus, the suction drum is affixed axially by means of the bearing element with the bolt, as seen in its axial direction, so that the suction drum and the bolt form a separate unit of the apparatus. A fastening means by means of which the bolt is releasably fastened in the receptacle is provided.Type: GrantFiled: February 16, 2015Date of Patent: July 24, 2018Assignee: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Robert Nägeli
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Patent number: 9714477Abstract: A fastening mechanism is provided to detachably fasten and position a compaction module on a drafting unit of a spinning machine, wherein the compaction module has a carrier, which is provided with at least one suction channel that is connected to suction inserts of compaction elements that are movably mounted on the carrier. A coupling device using the fastening mechanism. In order to ensure simple and positionally accurate attachment of a compaction module, the fastening mechanism is composed of at least one clamping element that has retaining elements for fixed and positioned fastening on the spinning machine and is provided with a first receiving slot, which is open on one side and has a retaining section, by means of which a retaining element fastened on the carrier can form a positive-fitting clamped connection.Type: GrantFiled: May 17, 2013Date of Patent: July 25, 2017Assignee: Maschinenfabrik Rieter AGInventors: Robert Nägeli, Ludek Malina, Gabriel Schneider
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Patent number: 9695526Abstract: A support element for a compacting device for two drawing system units of a spinning machine disposed next to each other, includes a suction channel that extends inside the support element and is connected to a suction zone of suction drums via openings of suction inserts. The end faces of the suction drums are open at one end and are disposed coaxially opposite each other at a distance. The suction drums are rotatably mounted on a shaft that is attached to the support element. The support element is formed from two half shells that form the suction channel and are connected to each other by way of attachment means, wherein each of the half shells has an outwardly projecting tubular suction insert. The suction inserts are disposed coaxially opposite each other, and each suction insert has at least one bearing element that is provided with a passage and has at least one brace, by way of which the shaft is held in the radial direction.Type: GrantFiled: March 8, 2013Date of Patent: July 4, 2017Assignee: Maschinenfabrik Rieter AGInventors: Robert Nägeli, Ludek Malina, Gabriel Schneider, Radek Zarecky, Petr Blazek
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Publication number: 20170073851Abstract: An apparatus (VM) for compacting a fiber sliver (V) on a spinning machine, having a carrier (16) which has a receptacle (19) for a bolt (36), having a rotatably mounted suction drum (14) which has a closed end face (34) and an open end face (35), and a bearing element (K) is disposed in the region of the closed end face (34), the suction drum (14) being rotatably mounted on an end section of the bolt (36) by means of said bearing element, so that the bolt (36) protrudes out of the open end face (35) of the suction drum (14).Type: ApplicationFiled: February 16, 2015Publication date: March 16, 2017Inventors: Gabriel Schneider, Robert Nägeli
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Publication number: 20160222553Abstract: The invention relates to a rotatably mounted suction drum (14) of a device (VM) for compacting a fiber material (V) on a spinning machine having an annular drive element (20) which, in the operating position, rests via a portion of its inner surface (IF) on a portion of a circular peripheral surface (AU) of a projection (13) which extends coaxial to an axis of rotation (A1) of the suction drum (14) and is mounted on an end face (35) of the suction drum (14).Type: ApplicationFiled: September 1, 2014Publication date: August 4, 2016Inventors: Ludek Malina, Robert Nägeli, Gabriel Schneider
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Patent number: 9353464Abstract: A device for compacting a fiber composite on a spinning machine includes consecutive drafting arrangement roller pairs. A compaction unit is pivotably mounted on the machine frame downstream of the delivery roller pairs with a pivot axis parallel to the rotational axes of the delivery roller pair, and includes a support with a suction drum rotatably supported on the support. At the end of a suction zone of the drum, a nip roller is fastened to the support to form a nip line. The support is spring-loaded to form a drive connection between the lower roller of the delivery roller pair and the suction drum, wherein the suction drum is moved against the lower roller. Guide means fix the compaction unit in position as mounted on the machine frame, and the spring element is mounted on the free end of the pressure lever.Type: GrantFiled: June 29, 2012Date of Patent: May 31, 2016Assignee: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Ludek Malina, Robert Nägeli
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Patent number: 9347151Abstract: A compacting unit for compacting a fiber composite supplied by a drafting unit of a spinning machine has a beam on which at least one suction drum equipped with a suction zone is rotatably mounted on an axle. A clamping roller mounted on the beam is in contact with the suction drum to form a clamping line at the end of the suction zone under the action of a pressure element mounted on the beam. The clamping roller is mounted so it is rotationally movable on a pressure arm that is equipped with a spring element and is mounted on the beam so it can pivot over a pivot axis.Type: GrantFiled: June 29, 2012Date of Patent: May 24, 2016Assignee: Maschinenfabrik Rieter AGInventors: Ludek Malina, Robert Nägeli, Gabriel Schneider
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Patent number: 9228277Abstract: A device for compacting a sliver (V) on a spinning machine has a driven, revolving compaction element (17) that is acted on by suction air and which has a drive element (28, 29) that, in an operating position, forms a drive connection with a driven element (7, 7z) of the spinning machine while forming a first gearing stage (G1). To make the drive of the compaction device more flexible, a second gearing stage (G2) is provided between the drive element (28, 29) of the compaction element (17) of the first gearing stage (G1) and the compaction element (17).Type: GrantFiled: November 23, 2011Date of Patent: January 5, 2016Assignee: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Ludek Malina, Radek Zarecky, Petr Blazek
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Patent number: 9206533Abstract: A device is provided for cleaning roller surfaces of rollers that are arranged one behind the other at a radial distance (b) from one another for processing fiber material (F) on a textile machine. A clearer roller is received in a guide of a clearer roller holder, wherein the guide is acted on by a spring element, and the clearer roller is pressed via a pressing force (AK) against the roller surfaces of the adjacent rollers. In order that by swiveling a top roller support arm upwards, the clearer roller is lifted off the roller surfaces to be cleaned and is able to adapt to different diameter ratios (Db/Da) of the rollers so that a consistent pressure distribution on the roller surfaces to be cleaned is ensured, the longitudinal direction (L) of the guide runs at a distance (a) to a plane (E) in which lie the two axes of the rollers that are arranged at a radial distance (b) from one another.Type: GrantFiled: March 20, 2014Date of Patent: December 8, 2015Assignee: Maschinenfabrik Rieter AGInventors: Robert Nägeli, Ludek Malina, Gabriel Schneider
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Patent number: 9127378Abstract: The invention relates to a device for compacting a sliver (V) on a spinning machine. At least one rotatably supported nip roller (33) is associated with a compaction element downstream from a suction zone (Z) to form a nip line (P). The compaction element (17) and the nip roller (33) are rotatably supported on a shared support (20) that is detachably fastened to the spinning machine via fastening means (46). The compaction element (17) has at least one drive element (28) that forms a drive connection with a bottom roller (7) of a pair of delivery rollers (7, 8) via a weighting device (55, 58) when the compaction element is transferred from an idle position to an operating position. The support has a suction channel (SK) for the suction air of the compaction element (17).Type: GrantFiled: November 23, 2011Date of Patent: September 8, 2015Assignee: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Ludek Malina, Radek Zarecky, Petr Blazek
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Publication number: 20150167204Abstract: The invention relates to a fastening means for detachably fastening and positioning a compaction module (VM) on a drafting unit (2) of a spinning machine, wherein the compaction module has a carrier (20), which is provided with at least one suction channel (SK) which is connected to suction inserts (18) of compaction elements (17) which are movably mounted on the carrier. The invention further relates to a coupling device using the fastening means. In order to ensure simple and positionally accurate attachment of a compaction module, the fastening means is composed of at least one clamping element (11) which has retaining means (54, M) for fixed and positioned fastening on the spinning machine and is provided with a first receiving slot (50), which is open on one side and has a retaining section (48), by means of which a retaining element (45) fastened on the carrier (20) can form a positive-fitting clamped connection.Type: ApplicationFiled: May 17, 2013Publication date: June 18, 2015Inventors: Robert Nägeli, Ludek Malina, Gabriel Schneider
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Publication number: 20150027098Abstract: The invention relates to a support element (20) for a compacting device (VM) for two drawing system units (2) of a spinning machine disposed next to each other, comprising a suction channel (SK), which extends inside the support element (20) and which is connected to a suction zone (Z) of suction drums (17) via openings (S) of suction inserts (18), wherein in each case one suction drum (17) is associated with the delivery roller pair (7, 8) of the respective drawing system unit (2), and the end faces (84) of the suction drums (17) which are open at one end are disposed coaxially opposite each other at a distance, wherein the suction drums are rotatably mounted on a shaft (22) that is attached to the support element (20).Type: ApplicationFiled: March 8, 2013Publication date: January 29, 2015Inventors: Robert Nägeli, Ludek Malina, Gabriel Schneider, Radek Zarecky, Petr Blazek
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Publication number: 20140317878Abstract: A device is provided for cleaning roller surfaces of rollers that are arranged one behind the other at a radial distance (b) from one another for processing fiber material (F) on a textile machine. A clearer roller is received in a guide of a clearer roller holder, wherein the guide is acted on by a spring element, and the clearer roller is pressed via a pressing force (AK) against the roller surfaces of the adjacent rollers. In order that by swiveling a top roller support arm upwards, the clearer roller is lifted off the roller surfaces to be cleaned and is able to adapt to different diameter ratios (Db/Da) of the rollers so that a consistent pressure distribution on the roller surfaces to be cleaned is ensured, the longitudinal direction (L) of the guide runs at a distance (a) to a plane (E) in which lie the two axes of the rollers that are arranged at a radial distance (b) from one another.Type: ApplicationFiled: March 20, 2014Publication date: October 30, 2014Applicant: Maschinenfabrik Rieter AGInventors: Robert Nägeli, Malina Ludek, Gabriel Schneider
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Publication number: 20140157551Abstract: The invention relates to a compacting unit (VM) for compacting a fiber composite supplied by a drafting unit (2) of a spinning machine, wherein the compacting unit (VM) has a beam (20) on which at least one suction drum (17) equipped with a suction zone (Z) is rotatably mounted on an axle (22) and a clamping roller (33) mounted on the beam (20) is in contact with the suction drum to form a clamping line (P) at the end of the suction zone (Z) under the action of a pressure element (F2) mounted on the beam. To improve the known devices of loading mechanisms for clamping rollers on suction drums (17), it is proposed that the clamping roller (33) is mounted so it is rotationally movable on a pressure arm (72) which is equipped with a spring element (F2) and is mounted on the beam (20) so it can pivot over a pivot axis (24).Type: ApplicationFiled: June 29, 2012Publication date: June 12, 2014Applicant: Maschinenfabrik Rieter AGInventors: Ludek Malina, Robert Nägeli, Gabriel Schneider
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Publication number: 20140157749Abstract: The invention relates to a device for compacting a fiber composite (V) on a spinning machine with a drafting arrangement unit (2) that includes consecutive drafting arrangement roller pairs (3, 4; 5, 6; 7, 8) having pressure rollers (4, 6, 8) that are retained on a pressure lever (10) that is pivotably supported on the machine frame (MR), and with a compaction unit (VM) that is pivotably mounted on the machine frame (MR) downstream of the delivery roller pair (7, 8) of the drafting arrangement unit (2), which has a pivot axis (MA) that extends parallel and at a distance relative to the axes of rotation (7a, 8a) of the delivery roller pair (7, 8) and includes a support (20) with at least one suction drum (17) that is provided with a suction zone (Z) and that is rotatably supported on the support, and upon the suction drum, at the end of the suction zone (Z), respectively one nip roller (33) is disposed that is fastened to the support (20), under the effect of a compressive-force element (F2), in order to achieType: ApplicationFiled: June 29, 2012Publication date: June 12, 2014Applicant: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Ludek Malina, Robert Nägeli
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Publication number: 20130239721Abstract: The invention relates to a device for compacting a sliver (V) on a spinning machine, having a driven, revolving compaction element (17) which is acted on by suction air and which has a drive element (28, 29) which, in an operating position, forms a drive connection with a driven element (7, 7z) of the spinning machine while forming a first gearing stage (G1). To make the drive of the compaction device more flexible, it is proposed that a second gearing stage (G2) is provided between the drive element (28, 29) of the compaction element (17) of the first gearing stage (G1) and the compaction element (17).Type: ApplicationFiled: November 23, 2011Publication date: September 19, 2013Applicant: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Ludek Malina, Radek Zarecky, Petr Blazek
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Publication number: 20130239369Abstract: The invention relates to a device for compacting a sliver (V) on a spinning machine, the sliver being delivered by a pair of delivery rollers (7, 8) of a drafting system unit (2) to a suctioned guide surface of a suction zone (Z) of a subsequent driven, revolving compaction element (17) that is acted on by suction air. At least one rotatably supported nip roller (33) is associated with the compaction element downstream from the suction zone (Z) to form a nip line (P). To retrofit existing spinning machines with a compaction device, heretofore additional complex drive means have been installed, sometimes requiring a very high expenditure of time for installing such devices.Type: ApplicationFiled: November 23, 2011Publication date: September 19, 2013Applicant: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Ludek Malina, Radek Zarecky, Petr Blazek
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Patent number: D735777Type: GrantFiled: April 12, 2013Date of Patent: August 4, 2015Assignee: Maschinenfabrik Rieter AGInventors: Gabriel Schneider, Robert Nägeli, Ludek Malina