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Bobst Mex Sa
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Bobst Mex Sa patents


Recent patent applications related to Bobst Mex Sa. Bobst Mex Sa is listed as an Agent/Assignee. Note: Bobst Mex Sa may have other listings under different names/spellings. We're not affiliated with Bobst Mex Sa, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "B" | Bobst Mex Sa-related inventors


Web support and stabilization unit for a printing head, and printing station equipped therewith

A support and stabilization unit (200, 300, 400, 500) for a web (20) advancing in its longitudinal direction over the unit from upstream to downstream; the unit includes in series at least one rotating support roller (31, 32) that is able to come into contact with an underside of the web (20), and at least one device (121, 122, 122′) for tensioning the web (20). The tensioning device (121, 122, 122′) includes a guiding face (121a, 122a) oriented toward the underside of the web (20), an internal cavity connected to the outside of the device via an outlet opening (121d) which is oriented toward the guiding face (121a, 122a), and an air inlet inside the internal cavity (121b), so as to produce, on the web (20), a force (f2) oriented toward the guiding face (121a, 122a).. ... Bobst Mex Sa

Method and device for correcting the position of a folded blank in a folder-gluer

A method for checking and correcting the position of a blank comprised of three flaps arranged in a row, the method including the following steps: closing the right- and left-hand flaps one above the other at least in an overlapping portion, gluing the flaps together; positional checking of the right-hand edge and the left-hand edge and comparing those edges with a predetermined position in order to determine a positional deviation of the flaps and, if the positional deviation exceeds an admissible deviation value, then before the glue sets, fixing the central flap at a location via the lower face of central flap using a fixing device using vacuum-induced negative pressing, then holding the upper face of the right-hand flap and of the left-hand flap by respectively at least one suction cup which applies vacuum, and correcting the position of the left-hand flap and/or of the right-hand flap by moving the suction cups sideways.. . ... Bobst Mex Sa

Sleeve extractor, unit for converting a flat substrate, and method for extracting sleeves

A rotary-tool sleeve extractor for a unit for converting a flat substrate that includes a base (23) intended to be fixed to the conversion unit (7) and an extraction head (24) that: a) is movable with respect to the base (23) between a withdrawn position and a deployed position and, b) has a gripper (25) that can engage with a sleeve (13) of a rotary tool (10, 11).. . ... Bobst Mex Sa

Optical device for checking a face of a blank

A device (10) for optically controlling a face (13) of a blank (12) has a vacuum conveyor (20) capable of transporting the blank (12) along a path of travel (15) and which includes a conveyor belt (22) having an apertured structure of which the conveying path follows the path of travel (15) of the blank (12). A suction device (40) is suitable for pressing the blank (12) against the conveyor belt (14). ... Bobst Mex Sa

Lateral positioning device for a sheet element

A lateral positioning device (100) for a sheet element (20, 20′) in a sheet element processing machine; a detector lever (130) articulated relative to a horizontal axis, which performs a descending movement from a high position to a low position; a first end (132) of the detector lever (130) contacts, in a low position of the lever, with an upper face of the sheet element. A second end (133) of the detector lever (130) is fitted with a target (135) that cooperates with a position detector (140) to generate a signal dependent on the thickness of the sheet element (20, 20′) and the number of sheet elements (20, 20′) present at the level of the first end (132) of the detector lever (130).. ... Bobst Mex Sa

Rotary-tool mandrel, unit for converting a flat substrate, and operating method

A rotary-tool mandrel for a unit for converting a flat substrate, on which a sleeve (13) is intended to be fitted, the mandrel includes a cylindrical core (14), a peripheral wall (17) that is able to take up a rest position and a locking position by exerting a radial pressure on the sleeve (13) in order to lock it in position on the mandrel (12), a pressure fluid circuit (21) provided between the peripheral wall (17) and the cylindrical core (14) for exerting the radial pressure on the sleeve (13), and a cooling fluid circuit (24) for allowing a fluid to flow in the region of the cylindrical core (14) and for cooling the mandrel (12).. . ... Bobst Mex Sa

Bearing, unit for converting a flat substrate, and methods for mounting and removing a rotary tool

A bearing for holding a rotary conversion tool (10, 11) that includes two end rolling bearing devices (26, 28), at least one intermediate rolling bearing device (27) interposed between the end rolling bearing devices (26, 28), the end and intermediate rolling bearing devices (26, 27, 28) being intended to engage with an end (10a, 10b, 11a, 11b) of the rotary tool (10, 11), and at least one mechanical actuator (32, 33) configured to exert a radial preload force (fo, fo′) at the intermediate rolling bearing device (27).. . ... Bobst Mex Sa

Tool-holder column, unit for converting a flat substrate, and methods for removing a rotary tool from and mounting it in a conversion unit

A tool-holder column for a unit for converting a flat substrate that has two upper bearings (14, 16) each for supporting one end of an upper rotary tool (10), and two lower bearings (15, 17) each for supporting one end of a lower rotary tool (11), the flat substrate being movable longitudinally between the upper rotary tool (10) and the lower rotary tool (11), the bearings (14, 15, 16, 17) being vertically movable in opposite directions on either side of the longitudinal direction (l) of movement of the flat substrate, and a common drive for the bearings (14, 15, 16, 17) allowing the bearings (14, 15, 16, 17) to be moved simultaneously by one and the same distance in opposite directions, and including a screw device (25), the bearings (14, 15, 16, 17) being mounted one above another on the screw device (25) such that the rotation of the screw device (25) causes the linear movement of the bearings (14, 15, 16, 17) in opposite directions.. . ... Bobst Mex Sa

Method and station for converting a flat substrate

A method for converting a flat substrate (w) in a station (3) for converting a flat substrate (w) that includes a rotary cutting unit (9) and at least one rotary deformation unit (7, 8) positioned upstream of the rotary cutting unit (9) in the direction of movement (l) of the flat substrate (w), the method including: determining the conversion parameters of the flat substrate (w), such as the deformation layout and cutting layout; choosing a sleeve (13) carrying a form for carrying out the deformation depending on the deformation layout; mounting the sleeve (13) on a mandrel (12) in the rotary deformation unit (7, 8); choosing the cutting tools (91, 92) depending on the cutting layout; mounting the cutting tools (91, 92) in the rotary cutting unit (9); and starting the conversion of the flat substrate (w).. . ... Bobst Mex Sa

Suction box for a system for conveying flat media and printing machine thus equipped

A suction box, intended for a system for transporting flat media (4) includes at least one endless belt (6), formed with a plurality of through-holes, in a media-printing machine (1), equipped with at least one printing unit (2). The suction box has a face (16) past which the belt (6) passes. ... Bobst Mex Sa

Coating unit for applying a coating substance in a machine for printing flat media

A surface application unit for applying a surface application substance to all or a portion of a surface of a planar substrate in a machine for printing planar substrates. The unit includes an applicator roller (11) which is rotated (t) and can be positioned against all or a portion of the surface of the substrate in order to apply the substance thereto; an anilox roller (13) which is rotated (s) and positioned against the applicator roller (11) and which covers the applicator roller (11) with the substance; and a supply system (14) which supplies the anilox roller (13) with the substance and which is provided with a substance tank, a pump, a device for circulating the substance, and a device (16) which is held against the anilox roller (13) in order to supply the substance to the roller. ... Bobst Mex Sa

Suction box, system for conveying flat media, and printing machine thus equipped

A suction box for a system for transporting flat media (4) includes at least one endless belt (6), formed with a plurality of through-holes, used in a media printing machine (1) equipped with at least one printing unit (2). The suction box includes a suction device (23) to generate a vacuum, a suction compartment (16), divided into at least two distinct chambers (26, 27, 28), including a first suction chamber (28) of variable volume, in communication with the suction device (23) so as to apply the vacuum through the holes in the belt (6) to the media being transported by the belt (6), and a second chamber (26, 27) at ambient pressure. ... Bobst Mex Sa

Method for supplying plate elements to a machine, supply station and processing machine thus equipped

A method for supplying plate elements to a machine for processing the plate elements, from an initial pile of elements, the method includes: pushing a first batch of plate elements, from the top of the pile, downstream until the first batch comes at a storage capable of storing the first pushed batch, and simultaneously, displacing the storage downstream over a distance corresponding to the length of the first batch to separate the first batch from the pile; and thereafter transferring the elements of the first batch one after the other to the machine.. . ... Bobst Mex Sa

Method for protecting a converting unit for converting a web substrate, feeding station and packaging production machine

A method for protecting a unit for converting a web substrate to limit a jam of the substrate inside the unit, the unit converting the substrate when the unit is stopped, in a packaging production machine: the steps of: detecting at the outlet of the unit that the converted web does not come out; stopping a motor of an infeed arrangement to prevent the substrate from entering the unit; stopping a motor of a feathering drive; and simultaneously stopping the machine, and guiding the substrate to an accumulation storage.. . ... Bobst Mex Sa

01/19/17 / #20170014870

Cleaning device for a processing platen press

A device (100) for cleaning a platen of a platen press (1), the platen press (1) has a lower and an upper platen (11, 12) of which at least one is movable towards the other. The device (100) includes a frame (110) having a base (172) defining a base plane substantially parallel to a surface on which the frame (110) is positioned, a lift member (120) arranged to the frame (110) such that a relative movement can be executed between the frame (110) and the lift member (120) in a direction substantially perpendicular to the base plane, a pneumatic lifting device (178) for moving the frame (110) relative to the lift member (120), and a rotating element (130) arranged on the lift member (120) and configured to rotate around an axis substantially parallel to the direction of relative movement between the frame (110) and the lift member (120).. ... Bobst Mex Sa








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