Patents Assigned to BOBST LYON
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Device for attaching a doctor blade on a doctor blade chamber and doctor blade chamber thus equipped
Patent number: 11420436Abstract: A device (10) for fastening a doctor blade (3) to a doctor blade (1) chamber body (2) comprising: at least one clamping flange (11) configured to press the doctor blade (3) onto the doctor blade (1) chamber body (2), at least a first fastener (20), and at least one second fastener (30), wherein the first fastener (20) comprises at least a first retaining section (21) having an upper end (21a) and a lower end (21b), a second section (22) different from the first retaining section (21), and wherein the second fastener (30) comprises at least a first portion (31) having at least one retaining element (34a), a second portion (32) having at least one retaining element (34b), an intermediate portion (33) devoid of retaining element and arranged between the first portion (31) and the second portion (32).Type: GrantFiled: April 26, 2019Date of Patent: August 23, 2022Assignee: Bobst LyonInventors: Rene Bazin, Philippe Fleury, Julien Mattrand -
Publication number: 20220176669Abstract: The unit for forming a plate element (2) for the continuous flow manufacturing of folding boxes (CA1, CA2) from plate elements (3), the plate elements (3) being successively inserted into the unit (2) and moving in a feed direction (FD), comprising pairs of rotary cylindrical shafts (2001-2031, 2002-2032), carrying forming tooling, which forms the plate elements (4) using slitting, creasing and cutting operations, comprising a cutting unit (21), and pairs of rotary cylindrical shafts (2001-2031, 2002-2032),Type: ApplicationFiled: March 6, 2020Publication date: June 9, 2022Applicant: BOBST LYONInventor: Phillippe FLEURY
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Publication number: 20220152969Abstract: The invention relates to a line for manufacturing packagings (2) producing folding boxes (CA1, CA2) from plate elements (4), which comprises a feeding station (20), a shaping unit (33) which consecutively shapes the plate elements (4) by slitting, scoring and cutting operations, provided with pairs of shafts (230a-233a, 230b-233b) and a cutting unit (24), which engage to produce, in the shaped plate element (3), two juxtaposed folding box layers (P1, P2), arranged transversely to the direction of transport (FD), which are associated in series, and connected to one another by attachment points (45), a folding/gluing unit (26) which forms folded assemblies (5) by folding and gluing the shaped plate elements (4), a counting/ejection unit (27) which forms stacks of folded assemblies (6, 7), and a unit (29) for separating folding boxes comprising means arranged to produce, by breaking the attachment points (45), two separate batches (81, 82) of stacked folding boxes from each stack of folded assemblies (6, 7).Type: ApplicationFiled: March 6, 2020Publication date: May 19, 2022Applicant: BOBST LYONInventor: David VANDENHECKE
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Publication number: 20220089399Abstract: A separator (1) for temporarily receiving sheet elements (9) that are to be transferred from a stacking table (2) to an output conveyor (3) of bundles of sheet elements comprises: a support (10) mounted with the ability to slide in a vertical direction; a drive device (11) for driving the support in the vertical direction; several arms (13) extending in a longitudinal horizontal direction, spaced apart in a transverse direction, at least one arm (13) being mounted with the ability to move in the longitudinal horizontal direction with respect to the support, the movement of the arm modifying its overhanging length with respect to the support (10) on a first side in the longitudinal horizontal direction; a drive system (12) configured to simultaneously move the arm in the longitudinal horizontal direction and to keep another of the arms in its longitudinal position.Type: ApplicationFiled: February 25, 2020Publication date: March 24, 2022Applicant: Bobst LyonInventors: Claude CONVERT, Guillaume PERRON
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Publication number: 20220089400Abstract: The invention relates to a station for receiving sheet-form elements and discharging bundles of sheet-form elements for a packaging manufacturing machine, comprising: an arrangement for feeding sheet-form elements successively one after the other (8), a lift table (16), mobile in a vertical direction, comprising several continuous conveyor belts (17) extending in a longitudinal horizontal direction, for receiving the sheet-form elements in bundle form, an output conveyor (14), for discharging the sheet-form elements in bundle form, and a separator (21), mobile in the vertical direction, comprising several reception arms (22) being deployed in the longitudinal horizontal direction, for transiently receiving the sheet-form elements in bundle form, the arms (22) being disposed so as to be able to cross in the vertical direction without interacting with the belts (17) of the table (16).Type: ApplicationFiled: February 24, 2020Publication date: March 24, 2022Applicant: Bobst LyonInventors: Thibault CORREAD, Denis BUSA, Claude CONVERT
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Publication number: 20220072845Abstract: A mobile handling carriage for handling a rotary roll in a printing unit includes a mobile chassis; a support member for supporting the roll; a first drive device configured to drive the support member in translation in a vertical direction; an actuator mounted on the support member and configured to collaborate with the roll positioned a distance above the support member; a second drive device configured to drive the actuator in translation in a longitudinal direction; a control circuit configured to control a first sequence including, in succession: a raising of the support member; a longitudinal translation of the support member in a first direction; a lowering of the support member; a longitudinal translation of the actuator in the first direction.Type: ApplicationFiled: February 19, 2020Publication date: March 10, 2022Applicant: Bobst LyonInventor: Eric VERNAY
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Patent number: 11110701Abstract: A main body of doctor blade chambers including a first portion configured to hold a first doctor blade, a second portion configured to hold a second doctor blade, a third portion connecting the first portion and the second portion, a cavity intended to receive ink and defined at least by the first portion, the second portion and the third portion, characterized in that the main body is a single closed hollow profile extending along a longitudinal main axis X-X, the main body being made of pultruded composite material.Type: GrantFiled: July 6, 2018Date of Patent: September 7, 2021Assignees: BOBST LYON, EPSILON COMPOSITEInventors: René Bazin, Philippe Fleury, Julien Mattrand, Steve Peter Daniel Willems
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Publication number: 20210260865Abstract: A doctor blade, intended for a doctor blade chamber (6) for a flexography printing unit (1) equipped with a screened cylinder (4), presents in the form of a rectangular blade, with a functional longitudinal side (34) of which a longitudinal edge is capable of making contact with the screened cylinder (4), a longitudinal fastening side (33) and two lateral sides (36, 37). The doctor blade comprises at least one opening located towards the functional longitudinal side (34) and towards the first of the two lateral sides (36, 37).Type: ApplicationFiled: July 15, 2019Publication date: August 26, 2021Applicant: Bobst LyonInventor: Rene BAZIN
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DEVICE FOR ATTACHING A DOCTOR BLADE ON A DOCTOR BLADE CHAMBER AND DOCTOR BLADE CHAMBER THUS EQUIPPED
Publication number: 20210031506Abstract: A device (10) for fastening a doctor blade (3) to a doctor blade (1) chamber body (2) comprising: at least one clamping flange (11) configured to press the doctor blade (3) onto the doctor blade (1) chamber body (2), at least a first fastener (20), and at least one second fastener (30), wherein the first fastener (20) comprises at least a first retaining section (21) having an upper end (21a) and a lower end (21b), a second section (22) different from the first retaining section (21), and wherein the second fastener (30) comprises at least a first portion (31) having at least one retaining element (34a), a second portion (32) having at least one retaining element (34b), an intermediate portion (33) devoid of retaining element and arranged between the first portion (31) and the second portion (32).Type: ApplicationFiled: April 26, 2019Publication date: February 4, 2021Applicant: Bobst LyonInventors: Rene BAZIN, Philippe FLEURY, Julien MATTRAND -
Publication number: 20200130348Abstract: A main body of doctor blade chambers including a first portion configured to hold a first doctor blade, a second portion configured to hold a second doctor blade, a third portion connecting the first portion and the second portion, a cavity intended to receive ink and defined at least by the first portion, the second portion and the third portion, characterized in that the main body is a single closed hollow profile extending along a longitudinal main axis X-X, the main body being made of pultruded composite material.Type: ApplicationFiled: July 6, 2018Publication date: April 30, 2020Applicants: BOBST LYON, EPSILON COMPOSITEInventors: René BAZIN, Philippe FLEURY, Julien MATTRAND, Steve Peter Daniel WILLEMS
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Patent number: 10421247Abstract: A quality-control device (200) includes: an illumination system (202) for illuminating one peripheral face of each folding box, an image capture device (204) for forming a multiple image of the respective peripheral faces of a bundle of folding boxes, an image processing system (206) for: i) detecting within the multiple image each peripheral end of the slots of each box that separate its adjacent flaps, ii) generating a data set indicative of the geometry of each peripheral end, and iii) analyzing the data set to determine the width of each peripheral end.Type: GrantFiled: December 17, 2015Date of Patent: September 24, 2019Assignee: BOBST LYONInventors: Robert Amoros, Benoît Rosset
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Patent number: 9989953Abstract: A control method for controlling a converting machine that acts on plate elements for forming containers, the method including displaying with a graphical control interface at least one image representing a plate element or a container formed by a plate element, and control areas which are superimposed on the image and which respectively symbolize characteristic magnitudes of the conversions to be induced on each plate element, receiving by a processing unit a command entered individually by the operator by activating a control area, and controlling in response to the individually entered command, the processing unit to generate at least two respective adjustment signals correlated by a predetermined adjustment law to adjust at least two respective adjustable parameters, whereby corresponding converting members induce a change in a characteristic magnitude.Type: GrantFiled: January 7, 2014Date of Patent: June 5, 2018Assignee: BOBST LYONInventors: Valérie Gauvin, Dominique Ravot
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Patent number: 9975325Abstract: A printing unit for making prints from printing plates on plate elements conveyed by a transport system having at least one plate cylinder mounted rotatably and suitable for carrying initially at least one earlier printing plate and then at least one later printing plate, the printing unit includes a primary support suitable for supporting the later printing plate, in a standby configuration, during printing using the earlier printing plate and during the unwinding of the earlier printing plate, and in an engaged configuration, during the winding of the later printing plate onto the plate cylinder, a portion of the later printing plate being attached to the plate cylinder, and a secondary support suitable for supporting the earlier printing plate unwound from the plate cylinder, in which the primary support includes a primary fastening member for fastening the later printing plate in the standby configuration, and a primary fastening mechanism for fastening the later printing plate in the engaged configuratioType: GrantFiled: December 19, 2013Date of Patent: May 22, 2018Assignee: BOBST LYONInventors: Serge Gaveglia, Rémy Perenet
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Publication number: 20170348940Abstract: A quality-control device (200) includes: an illumination system (202) for illuminating one peripheral face of each folding box, an image capture device (204) for forming a multiple image of the respective peripheral faces of a bundle of folding boxes, an image processing system (206) for: i) detecting within the multiple image each peripheral end of the slots of each box that separate its adjacent flaps, ii) generating a data set indicative of the geometry of each peripheral end, and iii) analyzing the data set to determine the width of each peripheral end.Type: ApplicationFiled: December 17, 2015Publication date: December 7, 2017Applicant: BOBST LYONInventors: Robert AMOROS, Benoît ROSSET
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Patent number: 9505241Abstract: A conveyor belt for conveying plate elements in a machine for converting the elements that includes a belt body with longitudinal edges, joining edges, and a support surface for supporting the elements, and at least one assembly member arranged to join the joining edges, and extending in a direction of assembly which is oblique to the longitudinal direction, the belt body having a plurality of perforations for obtaining a vacuum on the support surface to immobilize the elements.Type: GrantFiled: December 19, 2013Date of Patent: November 29, 2016Assignee: BOBST LYONInventor: Marc Cuzin
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Publication number: 20150352833Abstract: A printing unit for making prints from printing plates on plate elements conveyed by a transport system having at least one plate cylinder mounted rotatably and suitable for carrying initially at least one earlier printing plate and then at least one later printing plate, the printing unit includes a primary support suitable for supporting the later printing plate, in a standby configuration, during printing using the earlier printing plate and during the unwinding of the earlier printing plate, and in an engaged configuration, during the winding of the later printing plate onto the plate cylinder, a portion of the later printing plate being attached to the plate cylinder, and a secondary support suitable for supporting the earlier printing plate unwound from the plate cylinder, in which the primary support includes a primary fastening member for fastening the later printing plate in the standby configuration, and a primary fastening mechanism for fastening the later printing plate in the engaged configuratioType: ApplicationFiled: December 19, 2013Publication date: December 10, 2015Applicant: BOBST LYONInventors: Serge GAVEGLIA, Rémy PERENET