EP1112951B1 - Dispositif de guidage sans contact d'une bande de matériau - Google Patents

Dispositif de guidage sans contact d'une bande de matériau Download PDF

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Publication number
EP1112951B1
EP1112951B1 EP00126485A EP00126485A EP1112951B1 EP 1112951 B1 EP1112951 B1 EP 1112951B1 EP 00126485 A EP00126485 A EP 00126485A EP 00126485 A EP00126485 A EP 00126485A EP 1112951 B1 EP1112951 B1 EP 1112951B1
Authority
EP
European Patent Office
Prior art keywords
air
web
metering
apertures
bar body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00126485A
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German (de)
English (en)
Other versions
EP1112951A2 (fr
EP1112951A3 (fr
Inventor
Neil Doherty
Lawrence E. Zagar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goss International Americas LLC
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1112951A2 publication Critical patent/EP1112951A2/fr
Publication of EP1112951A3 publication Critical patent/EP1112951A3/fr
Application granted granted Critical
Publication of EP1112951B1 publication Critical patent/EP1112951B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/112—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along preferably rectilinear path, e.g. nozzle bed for web

Definitions

  • the present invention relates to a device for contactless guidance Material web, in particular an air rod for contactless guidance Material web in a dryer of a web-fed rotary printing press, according to the Preamble of claim 1.
  • the guide device for guiding, deflecting and / or deflecting one Material web described.
  • the guide device for guiding, deflecting and deflecting one A material web, which is guided over a plurality of rollers, comprises a block which is connected to a Medium supply device is connected, which supplies the block with a medium (air).
  • the block has a curved surface over which the web can be guided and a plurality of holes in each of the separate sections forming the block having.
  • the sections run across the material web. There is one for the material web A large number of separate sections are provided, which form a medium bed for the material web form.
  • Supply lines that run along the separate sections run through the block connect the medium supply device, the medium from the Medium supply device starting from the supply lines from the Bores can flow out against the material web.
  • Control valves arranged outside the block by means of which the speed and the volume of the medium flow into the respective supply line can be controlled, so that a different pressure can be applied to each separate section. In this way a pressure drop across the width of the web is formed so that the web depending on the pressure gradient that forces the web away from the block surface, deflected and deflected from a first guided direction into a second guided direction can be.
  • a steerable air device is described in US Pat. No. 5,152,080.
  • the device supports a web non-contact and keeps the web in a substantially straight path, while moving through the dryer.
  • the device comprises a steerable Air bar arrangement with at least one adjustable air bar, which is an extended one Has surface from which air can escape.
  • the extended surface is in opposite ratio to the running path and has two ends. Further are one that is in flow communication with the air rods Air supply device and an actuator for changing the orientation of the extended surface of the adjustable air rods with respect to the running Material web provided.
  • the surfaces set in such a way that each of the surfaces rotates about an axis which in the Runs essentially parallel to the center line of the running web.
  • the dirigible Air bar arrangement is arranged in a dryer in such a way that the web in the Is essentially straight through the dryer.
  • a dryer can also comprise a fixed air rod or a plurality of fixed air rods.
  • the Air rods can include counter pressure devices for generating a counterforce, which move the web back to a substantially central position.
  • the Back pressure device preferably comprises one or more edge attachments Edge attachments, which are preferably at the ends of the fixed air rods or in the Near the ends of the fixed air rods are arranged in the dryer.
  • An air rod is already from document JP 11-165 924 A. to change the position of a material web according to The preamble of claim 1 is known.
  • a web shift can be made after passing through the dryer section by means of a commercially available web guiding device or immediately when it occurs in Dryer section can be compensated. In some cases, the shift of the However, the web in the dryer is too large for a correction by the web guiding device his.
  • An air rod according to the invention for guiding a material web i.e. to change the lateral position of the material web, comprises an air rod body with one in it formed hollow interior, which used to form an air cushion under the material web Compressed air can be applied.
  • To control the air flow and thus to control one lateral direction of movement of the material web is at least one air duct with the hollow interior connected.
  • the hollow interior is a metering device assigned, which is arranged in such a way that the from the at least one air duct outflowing air flow is optionally limited.
  • the solution according to the invention offers numerous advantages.
  • side correction Web shifts already in the dryer can be used for additional web guiding devices omitted or simplified, since no strong after leaving the dryer lateral deviations of the web occur more. Therefore, with some Applications web guide devices downstream of the dryer unnecessary because the Path shifts can already be corrected in the dryer.
  • the Air rods according to the invention are preferably above and below the web guide level arranged.
  • the Metering devices are preferably substantially horizontal and are in the air bars integrated.
  • the dosing devices essentially run vertically, i.e. in a lateral direction to the material web and preferably extend over the entire width of the material web.
  • the dosing devices integrated in the air rods allow the Dosing devices with respect to the air channels arranged on the air rod bodies.
  • the dosing devices are movably arranged so that they have a relative movement can perform with respect to the air channels or openings, which are preferably fixed predetermined positions are arranged on the air rods.
  • the metering device by rotating the metering device into a first direction (e.g. clockwise) by a preferably perpendicular to the plane of the path running pivot axis the degree of coverage between the openings on a Side of the air rod is raised and reduced on the other side of the air rod, the air flow emerging from the air channels on one side being amplified and the air flow emerging on the other side is reduced.
  • a second direction e.g.
  • the degree of coverage between the Openings are reduced on one side and increased on the other, being the airflow flowing out of the air channels on one side is reduced and on the other other side is increased.
  • the web of material is in the opposite shifted to the side.
  • the present invention further provides another embodiment in which the Dosing device for changing between the edges of the dosing device and the adjacent side walls of an air rod body formed, the air channels forming columns around a preferably essentially pointing in the web running direction and / or one pointing perpendicular to the web running direction within the web plane Swivel axis is movable.
  • Adjusting elements are provided, by means of which the shape of the between the metering device and the side walls of the air rod body formed column can be changed. On in this way, the total air currents emerging from the air channels and the Air flows emerging from each side of the air ducts are controlled so that a lateral displacement of the material web is achieved.
  • Spacers can be provided over the air rod through which the air channels from each other are spaced.
  • Air exchange openings are preferably on the metering device and control openings arranged, which change the air pressure in the under can produce air cushions generated in a web guide plane.
  • control openings are preferably provided, which with the openings for controlling an outflow channel formed in the air rod outflowing air flow can be brought into overlap.
  • the tax openings can be operated manually, mechanically or electrically, d. H. be moved.
  • the air rods according to the invention can, for. B. in devices for contactless Transport of web-shaped material or assigned in rotary printing machines Dryers are used.
  • FIG. 1a and 1b an air rod 2 is shown with a metering plate 6, which is below the Air channels 16, 18 arranged metering gaps 8, 10 are assigned.
  • the air rod 2 shown in a side view comprises one with compressed air actable hollow interior 4.
  • a carrier 24 is arranged above the air rod 2, through which the first air duct 16 is spaced from the second air duct 18.
  • the Air channels 16 and 18 can be as a continuous column or as a series of one another bordering holes can be formed.
  • the essentially horizontal one Dosing plate 6 is arranged in the hollow interior 4 of the air rod 2.
  • the dosing plate 6 is around a housing surrounding the hollow interior 4 of the air rod 2 arranged pivot point 12 movably attached. In an edge section of the Dosing plate 6, this is an adjusting element 14, which is a relative movement of the Dosing plate 6 with respect to the air channels 16 and 18 allows.
  • the pivot point is 12 preferably on an imaginary center line of a processing station, e.g. B. one Dryer, arranged through which a material web 22 is guided.
  • a processing station e.g. B. one Dryer
  • the z. B. as a manually, mechanically or electrically operated Can be formed lever
  • the relative position of the metering plate 6 is in the direction of Air channels 16 and 18 easily adjustable.
  • the dashed line in Fig. 1b indicates an electrical or mechanical, especially hydraulic or pneumatic drive 108, which drives the actuator 14.
  • FIG. 1a is a side view of the under Material web 22 formed air cushion 20 shown.
  • the direction of transport of the Material web 22 is indicated by the arrow at the end of material web 22.
  • Fig. 1b the dosing plate 6 already shown in Fig. 1a is shown in detail.
  • the pivot point 12 is shown around the the metering plate 6 can be pivoted by actuating the control element 14.
  • the embodiment of the metering plate 6 shown here runs the metering gaps or Air exchange openings 8, 10 from a drive-side section 26 of the metering plate 6 to an operator-side section 28, i.e. in the lateral direction to the direction of movement of the material web 22.
  • the dashed line denotes the openings of the air channels 16 or 18, which are either completely congruent with the columns 8, 10 of the metering plate 6 or more or less depending on the relative position of the metering plate 6 are closed.
  • the openings of the air channels 16, 18 can be a continuous gap or be formed as a series of bores.
  • the arrow in Fig. 1b shows the Transport direction of the material web 22. In this way, the material web 22nd shifted sideways in addition to their movement along their normal transport path, by amplifying the air flow flowing out of one end of the air channels 16, 18 and the air flow flowing out of the other end of the air channels 16, 18 is reduced.
  • sensors 110 are arranged above the carrier, which determine a position of the web 22 with respect to the air rod 2.
  • the sensors 10 are connected to a control unit 112, which in turn is connected to the drive 108 Control of the actuator 14 is connected. This way the position of the web 22 depending on whether a control or regulating device is used, automatically controlled or regulated.
  • 2a and 2b is a second embodiment of the device according to the invention shown, which is pivotable about a pivot point arranged in the air rod 2 Dosing valve 40 includes.
  • the air rod 2 comprises an air rod body 36, is on an imaginary center line Processing station, e.g. B. a dryer arranged.
  • the air rod body 36 includes a hollow interior 4, which can be acted upon by compressed air.
  • a metering valve 40 is arranged in the hollow interior 4 in the hollow interior 4 .
  • Carrier body 38 arranged through which the air channels 16, 18 spaced apart are.
  • the carrier body 38 is fastened to the metering valve 40 via bellows 100.
  • about that Carrier 38 and the air channels 16, 18 is the material web 22 under which the Air cushion 20 is formed.
  • the dashed lines indicate a deflection plane 34 of the web on.
  • the air channels 16, 18 are between the outer walls of the air rod body 36 and arranged obliquely extending side portions of the carrier body 38.
  • the Edge sections of the metering valve 40 are preferably the same in comparison with the arranged oblique wall sections of the air rod body 36 and form in this way the air channels 16, 18 between the respective side edge and the respective wall section.
  • At one end of the air rod body 36 are on an imaginary center line of the air rod body 36 a pivot point and an actuator 46 for adjusting the Dosing valve 40 arranged.
  • the actuator 46 allows movement of the Metering valve 40 in such a way that one end of the metering valve 40 in the region of a first Edge of the material web 22 with respect to the other end of the metering valve 40 in the area the opposite side or edge of the material web 22 raised or lowered becomes.
  • the first and the second actuating element 48, 50 which are shown here by way of example, each preferably comprise a rod-shaped element 52 which extends over a respective one Fastening element 54 is connected to the metering valve 40.
  • the Actuators 46, 48, 50 can be any of the actuators 46, 48, 50, e.g. an electric motor or be associated with a similar device that has a default depending of the material to be processed or different pressure drops across the width of the made possible, for example, by a dryer web 22.
  • the Dosing gaps 42, 44 can be a gap-shaped opening section or one of one Have a plurality of holes or bores formed opening portion.
  • FIG. 3a shows a third embodiment of the present invention, which consists of an outflow channel 56, preferably circular metering openings 58 is formed.
  • the metering openings 58 comprise control elements 60 which are in the direction of the Dosing openings 58 are arranged movably.
  • the hollow interior 4 is pressurized with compressed air and includes the Outflow channel 56, which is formed in a metering body 104.
  • Adjacent to the The outflow duct 56 contains the first air duct 16 and the second air duct 18, their Openings run obliquely in the direction of the outflow channel 56.
  • the air channels 16, 18 are between oblique or inclined wall sections of the air rod body 36 the air rod 2 and preferably in a corresponding manner obliquely or inclined extending portions of the metering body 104 arranged, the outflow channel 56th Are defined.
  • the cross section of the respective air duct 16, 18 preferably remains constant over its entire length.
  • Fig. 3a is another method for changing one of the air rod 2 away directed airflow shown.
  • the Air flow flowing to the air channels 16, 18 through the openings 8, 10 of the metering plate 6 or the metering gaps 42, 42 of the metering valve 40 changed.
  • the air flow flowing to the air channels 16, 18 is not necessary Way changeable.
  • the dosing body 104 comprises a plurality of side by side arranged metering openings 58 of predetermined size. Under the metering openings 58 is control element 60 either displaceable and / or about pivot point 12 pivotally arranged.
  • an outward airflow 64 which is at the Generation of a load-bearing air cushion under the material web 22 primarily involved is, or an inward airflow 62 that is not or only in a small amount Dimensions involved in the generation of the air cushion under the web 22.
  • Dosing openings 58 in the dosing body 104 can only be the inward air flow 62 to a limited extent from the central portion of the air cushion formed under the web 22 Drain 20. Accordingly, that is formed under the central portion of the web 22 Air cushion 20 depending on the position of the control element 60 with respect to the Dosing openings 58. In this way, the height of the material web 22 above the Air rod 2, i.e. the material web is displaced perpendicular to the transport direction of the web become.
  • the actual position of the control element 60 with respect to the metering openings 58 accordingly determines the inflow of the inward airflow 62 into the Outflow channel 56. This in turn influences the air pressure under the material web 22 formed air cushion 20.
  • FIG. 3b and 3c are respectively an enlarged top view of the control element 60 shown, in which a rotational movement (Fig. 3b) and a displacement (Fig. 3c) of the Control element is shown.
  • FIG. 3b shows a control element 60 which can be pivoted about the pivot point 12 shown.
  • the double arrow 66 indicates a pivoting movement of the control element 60 at about the pivot point 12.
  • those that open into the outflow channel 56 are Dosing openings 58 of a predetermined size, preferably circular, while the openings 70 in the control element 60 are preferably rectangular are.
  • a circular metering opening 58 and one rectangular opening 70 is a steadily increasing opening or closing of the in the Discharge duct 56 leading into outflow channel 56 without a sudden, abrupt Changing the opening size of the metering opening when the control element is actuated 60 allows. In this way, the pressure drop on both sides of the material web 22 can be varied so that a lateral movement of the material web 22 is effected.
  • FIG. 3c shows a control element 60 suitable for a sliding movement.
  • openings 70 in control element 60 are preferred shaped either square or rectangular.
  • the metering openings 58 of predetermined In this embodiment, sizes are also preferably square.
  • the Arrow 68 in FIG. 3c indicates a sliding movement of the control element 60.
  • the two in 3b and 3c control elements 60 are perpendicular to the transport direction of the Material web 22 aligned.
  • the drive side edge 26 and the operator side edge 28 of the material web 22 in the processing station are also indicated in FIG. 3. On in this way the pressure drop with respect to the ends or sides of the air rod 2 changed and thus a lateral displacement of the material web 22 can be achieved.
  • the drive 108, the sensors 110 and the control device 112 of FIG. 1b can in the same way as in Fig. 1b also in those shown in Figs. 2a, 2b and 3a to 3c Embodiments may be included.
  • FIG. 4 is a perspective view of a dryer 72 with partially removed Exterior walls shown.
  • the dryer 72 runs from an inlet area 76 to an outlet area 74 the drive side 26 of the dryer 72 are fans, hot air lines and a Line system and the air rods 2 according to the invention arranged.
  • the Air rods or nozzle bars 2 according to the invention are, for example, each other arranged opposite below and above the web conveyor level 102 and here behind the Inlet area 76 shown.
  • There can be one in each section of the dryer 72 Guide device from an upper and a lower air rod 2 may be provided.
  • one Evaporation zone and a cooling zone can each one of the described Guide devices may be provided to guide the material web 22. In this way can a lateral displacement of the material web 22 already in the processing station, i.e.
  • the dryer can be compensated for, so that the outlet area 74 of the Dryer 72 downstream mechanical web guide can be omitted or the lateral Displacement of the material web can be kept within certain limits, so that the lateral displacement of the web by a mechanical web guide can be compensated.
  • FIG. 5 shows a further embodiment of an air rod 2 according to the invention, to control the lateral displacement of the web 22, the metering plate 6 with the the air channels 16, 18 associated metering gaps 8, 10 together with the Dosing openings 58 and the control elements 60 assigned to the outflow channel 56 is used.
  • the air rod 2 Through the air rod 2, both the lateral position of the web 22 is through a pivoting of the metering body 104, as well as the height or the profile of the web 22 by opening and closing the metering openings 58 accordingly controlled by Fig. 1a, 1b and 3a-3c already described manner.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (11)

  1. Tige d'air (2) destinée à modifier la position d'une trajectoire de matériaux (22), en particulier dans un assécheur d'une machine à imprimer par rotation de rouleaux, comprenant un corps de tige d'air (36) s'étendant essentiellement transversalement au sens de déplacement de la trajectoire de matériaux (22), dans lequel corps est formée une chambre intérieure creuse (4) s'étendant le long du corps de tige d'air (36) et pouvant être chargée avec de l'air comprimé, au travers de laquelle chambre un flux d'air peut être introduit, par un conduit d'air (16, 18) s'étendant le long du corps de tige d'air (36), pour former un coussin d'air (20) sous la trajectoire de matériaux (22), caractérisée en ce qu'à l'intérieur du corps de tige d'air (36) est disposé un dispositif de dosage (6, 40, 60) au moyen duquel le flux d'air se dégageant du conduit d'air (16, 18) peut être modifié sur la largeur de la trajectoire de matériaux (22) de manière à produire une force agissant sur la trajectoire de matériaux (22) en direction latérale.
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de dosage comprend un plateau de dosage (6) et un support (24) pouvant pivoter autour d'un axe de pivotement (12) s'étendant essentiellement perpendiculairement à la direction de la trajectoire, support qui ferme plus ou moins une ou plusieurs ouvertures (8, 10, 42, 44) formée(s) dans le plateau de dosage (6) et solidaire(s) en écoulement avec le conduit d'air (16,18) en fonction de l'angle de pivotement.
  3. Dispositif selon la revendication 2, caractérisé en ce que les ouvertures sont configurées sous forme d'alésages disposés le long d'une rangée ou sous forme d'une fente de dosage (8, 10, 42, 44).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le support (24) présente un canal d'admission (56) relié à un dispositif d'aspiration ainsi qu'au moins un orifice de dosage (58) disposé au niveau du coussin d'air (20) sous la trajectoire de matériaux (22).
  5. Dispositif selon la revendication 4, caractérisé en ce que sur la face du corps de dosage opposée à la trajectoire de matériaux (22), une quantité d'orifices de dosage (58) sont disposés et peuvent être en même temps agrandis ou diminués par un élément de commande (60) présentant des orifices de commande (70) en déplaçant l'élément de commande (60) dans une direction essentiellement latérale pour modifier le coussin d'air (20) en dessous de la trajectoire de matériaux (22) par une augmentation ou une réduction de la quantité d'air aspirée par le canal d'admission (56).
  6. Dispositif selon la revendication 5, caractérisé en ce que l'élément de commande (60) présentant des orifices de commande (70) peut pivoter autour d'un axe de pivotement (12) s'étendant essentiellement perpendiculairement à la trajectoire de matériaux (22) de manière à ce que la quantité d'air aspirée par les orifices de dosage (58) puisse être augmentée en fonction de la direction de pivotement sur une première face (26) de la trajectoire de matériaux (22) et diminuée sur la face opposée (28) de la trajectoire de matériaux (22).
  7. Dispositif selon l'une des revendications 5 ou 6, caractérisé en ce que les orifices de commande (70) sont rectangulaires et les orifices de dosage (58) sont circulaires ou rectangulaires.
  8. Dispositif selon la revendication 1, caractérisé en ce que le corps de dosage comprend un corps de support (38) solidaire en fixation du corps de tige d'air (36) et un clapet de dosage (40) relié au corps de support (38) par des éléments d'étanchéité (100) de préférence sous forme de soufflets d'interconnexion, clapet par lequel des orifices de dosage (42, 44) associés au conduit d'air (16, 18) et formés entre le corps de tige d'air (36) et le clapet de dosage (40) peuvent être modifiés de telle sorte que la quantité d'air puisse être augmentée au niveau d'une première face (26) de la trajectoire de matériaux (22) et puisse être réduite au niveau de la face opposée (28) de la trajectoire de matériaux (22).
  9. Dispositif selon la revendication 8, caractérisé en ce que le clapet de dosage (40) peut pivoter autour d'un premier axe s'étendant essentiellement dans la direction de la trajectoire de matériaux (22) à l'aide de premiers éléments de manoeuvre (46, 52, 54) pour augmenter la quantité d'air traversant par les orifices de dosage (42, 44) sur une première face (26) de la trajectoire de matériaux (22) et pour diminuer en correspondance la quantité d'air sur la face opposée (28) de la trajectoire de matériaux (22).
  10. Dispositif selon la revendication 9, caractérisé en ce que deux éléments de manoeuvre (48, 50) sont prévus pour agir sur le clapet de dosage (40) de telle manière que, lors d'une mise en oeuvre des premier et deuxième éléments de manoeuvre, le clapet de dosage (40) peut être déplacé dans la direction d'un axe s'étendant essentiellement perpendiculairement à la trajectoire de matériaux (22) pour modifier la quantité totale de la quantité d'air traversant par les orifices de dosage (42, 44) et augmenter ou diminuer le coussin d'air (22).
  11. Dispositif selon la revendication 10, caractérisé en ce que les orifices de dosage sont configurés sous forme de fentes de dosage (42, 44) qui sont formées par des parties de paroi inclinées du corps de tige d'air (36) et par des parties d'arête du clapet de dosage (40) inclinées de la même manière et coopérant avec celles-ci.
EP00126485A 1999-12-30 2000-12-08 Dispositif de guidage sans contact d'une bande de matériau Expired - Lifetime EP1112951B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US476072 1999-12-30
US09/476,072 US6397495B1 (en) 1999-12-30 1999-12-30 Web steering air flotation device for printing equipment

Publications (3)

Publication Number Publication Date
EP1112951A2 EP1112951A2 (fr) 2001-07-04
EP1112951A3 EP1112951A3 (fr) 2003-02-12
EP1112951B1 true EP1112951B1 (fr) 2004-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00126485A Expired - Lifetime EP1112951B1 (fr) 1999-12-30 2000-12-08 Dispositif de guidage sans contact d'une bande de matériau

Country Status (4)

Country Link
US (1) US6397495B1 (fr)
EP (1) EP1112951B1 (fr)
AT (1) ATE276956T1 (fr)
DE (1) DE50007876D1 (fr)

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EP1364898A3 (fr) * 2002-05-07 2005-01-12 Voith Paper Patent GmbH Dispositif pour guider une bande en mouvement de papier, carton, ou d'un autre matériau en bande
DE10229368B4 (de) * 2002-06-29 2007-04-05 Moenus Textilmaschinen Gmbh Umlufttrockner für Warenbahnen
DE10231404A1 (de) * 2002-07-11 2004-01-22 Voith Paper Patent Gmbh Bahnkantensteuervorrichtung
US6948378B2 (en) * 2003-06-13 2005-09-27 The Procter & Gamble Company Method and apparatus for measuring tension in a moving web
US8413920B2 (en) * 2003-06-13 2013-04-09 The Procter & Gamble Company Method and apparatus for unwinding a roll of web material
DE10343407B4 (de) * 2003-09-19 2006-02-16 A. Monforts Textilmaschinen Gmbh & Co. Kg Düsenblaskasten eines Spannrahmens
US7311234B2 (en) * 2005-06-06 2007-12-25 The Procter & Gamble Company Vectored air web handling apparatus
US7694433B2 (en) 2005-06-08 2010-04-13 The Procter & Gamble Company Web handling apparatus and process for providing steam to a web material
US8282781B2 (en) 2006-12-11 2012-10-09 Honeywell International Inc. Apparatus and method for stabilization of a moving sheet relative to a sensor
US8061055B2 (en) * 2007-05-07 2011-11-22 Megtec Systems, Inc. Step air foil web stabilizer
US8028988B2 (en) 2008-01-21 2011-10-04 Honeywell International Inc. Apparatus and method for stabilizing a moving sheet relative to a sensor
US9109330B2 (en) 2009-03-09 2015-08-18 Honeywell International Inc. Apparatus and method for measuring properties of unstabilized moving sheets
CN102788494A (zh) * 2011-05-20 2012-11-21 深圳富泰宏精密工业有限公司 风干设备
CN116989542B (zh) * 2023-09-27 2023-12-08 岷县颐和中药材有限责任公司 一种中药材烘干装置

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ATE276956T1 (de) 2004-10-15
DE50007876D1 (de) 2004-10-28
EP1112951A2 (fr) 2001-07-04
US6397495B1 (en) 2002-06-04
EP1112951A3 (fr) 2003-02-12

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