EP0517928A1 - Vorrichtung zum feststellen der position eines zuzuführenden gegenstands - Google Patents

Vorrichtung zum feststellen der position eines zuzuführenden gegenstands Download PDF

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Publication number
EP0517928A1
EP0517928A1 EP92901941A EP92901941A EP0517928A1 EP 0517928 A1 EP0517928 A1 EP 0517928A1 EP 92901941 A EP92901941 A EP 92901941A EP 92901941 A EP92901941 A EP 92901941A EP 0517928 A1 EP0517928 A1 EP 0517928A1
Authority
EP
European Patent Office
Prior art keywords
light
film
transported
receiving
emitting
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.)
Withdrawn
Application number
EP92901941A
Other languages
English (en)
French (fr)
Other versions
EP0517928A4 (en
Inventor
Masao Ishida Scales Mfg. Co. Ltd. Fukuda
Masashi Ishida Scales Mfg. Co. Ltd. Kondo
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.)
Ishida Co Ltd
Original Assignee
Ishida Scales Manufacturing Co Ltd
Ishida Co Ltd
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
Priority claimed from JP40577190U external-priority patent/JPH0491810U/ja
Priority claimed from JP34401491A external-priority patent/JPH05155515A/ja
Application filed by Ishida Scales Manufacturing Co Ltd, Ishida Co Ltd filed Critical Ishida Scales Manufacturing Co Ltd
Publication of EP0517928A1 publication Critical patent/EP0517928A1/de
Publication of EP0517928A4 publication Critical patent/EP0517928A4/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/18—Registering sheets, blanks, or webs
    • 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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B65H23/0216—Sensing transverse register of web with an element utilising photoelectric effect

Definitions

  • This invention relates to an apparatus for detecting the position of an object, such as a resin film or paper, being transported as a supply material. More particularly, this invention relates to an apparatus for detecting the edge position of such an object or the edge position of marks on such an object.
  • a combination bag maker and packaging machine adapted to make a bag of a resin material while filling it with articles.
  • Such a machine is generally adapted to bend an elongated resin film into a cylindrical form by means of a former while continuously transporting it and, after its mutually overlapping side edges are longitudinally sealed together, to seal it in a transverse direction.
  • a double-layered polyethylene film F As shown in Fig. 15(a) with the frontal layer subjected in particular to a stretching process to add lustre to it such that ink can stick better and it will have a generally improved external appearance.
  • the backside layer not undergoing the stretching process can be sealed much more easily.
  • the film F shifts sideways in a transverse direction W while it is being transported longitudinally, such a shift becomes most conspicuous where the side edges G are overlapped together, adversely affecting the commercial value of the bags.
  • detectors as shown in Fig. 16 have been in use with two photo-couplers 93 and 94 disposed across a side edge of the film F. If the inside photo-coupler 93 detects the film F but the outside photo-coupler 94 does not, the condition is adjudged normal. If both photo-couplers 93 and 94 detect the film F or if neither of them detects it, the condition is considered abnormal with the film F shifted sideways, and the shift is corrected accordingly.
  • detectors of photo-coupler or nozzle flapper types are disadvantageous in that their position must be adjusted every time a film of a different size is to be used. This problem can be obviated by arranging a large number of detectors, but detectors of photo-coupler or nozzle flapper types cannot be made compact because they require a pair of components, one for emitting light or air and the other for receiving it. In other words, it is not possible to provide a large number of such detectors at a small pitch. As a result, the accuracy of detection cannot be improved in this manner.
  • a position detector according to the present invention for an object being transported comprises a light-receiving means extended perpendicularly to the direction of transportation of the object for detecting a side edge of this object.
  • This light-receiving means has a plurality of light-receiving elements in this perpendicular direction such that the array of these light-receiving elements will extend across the edge of the object to be detected.
  • the plurality of light-emitting elements constituting the light-receiving means of the present invention are arranged not only transversely to the direction of motion of the target object but also over the edge of the object being transported, the position of the light-receiving means does not have to be adjusted even if the transverse dimension of the object being transported is changed.
  • the light-receiving means serving as detector is positioned according to the object being transported and there is no need for any light-emitting means.
  • a large number of light-receiving elements can be provided at a small pitch and hence the position of a target object can be detected with high accuracy.
  • What is intended to be detected includes process marks provided on the object being transported or on its side for showing processing positions in the direction of motion, such as marks for showing transverse cut positions.
  • the light-receiving means may be composed of a base onto which are affixed a plurality of light-receiving elements each comprising a solid image pickup element.
  • a light-emitting means may be disposed opposite to the light-receiving means across the object being transported.
  • Examples of the object being transported include elongated films and paper materials, as well as thin steel materials.
  • the object being transported is an elongated film intended to be made into bags
  • a light-emitting means is provided corresponding to the light-receiving elements.
  • the light-emitting means has a plurality of light-emitting elements arranged in the same transverse direction such that the array of these light-emitting elements extends across a side edge of the object being transported and the beams of light emitted from the array of light-emitting elements are substantially entirely reflected by the object being transported and made incident onto the light-receiving means.
  • another pair of light-emitting and light-receiving means is provided opposite to each other across the object being transported.
  • the light-emitting means of the second pair has its light-emitting elements aligned transversely and over the edge of the object being transported and the light-receiving elements of the second pair are also aligned opposite to these light-emitting elements, transversely and over the edge of the object being transported.
  • the light-emitting and light-receiving means of the second pair together form a detector of light-transmissive type, capable of detecting the edge of an opaque object.
  • detectors of both transmissive and reflective types are provided, they can be used selectively, depending on the transparency of the object being transported, such that the edge of objects of all kinds can be accurately determined.
  • Fig. 1 is a diagonal view of a mechanism for transporting a package-making material for a bag-maker-packaging machine incorporating a detector according to a first embodiment of the invention for detecting an object being transported.
  • Fig. 2 is a side view of a portion of the transporting mechanism of Fig. 1.
  • Fig. 3 is a diagonal view of the same portion of the transporting mechanism.
  • Fig. 4 is a front view of the detector of the first embodiment.
  • Fig. 5 is a front view of a detector according to a second embodiment of the present invention.
  • Fig. 6 is a front view of a detector according to a third embodiment of the present invention.
  • Fig. 7 is a diagonal view of a detector according to a fourth embodiment of the present invention.
  • Fig. 8 is a side view of the detector according to the fourth embodiment of the present invention.
  • Fig. 9 is a sectional view taken along the line IX-IX of Fig. 7.
  • Fig. 10 is a system diagram for the signal processing circuit of the fourth embodiment of the present invention.
  • Fig. 11 shows the waveforms of the signals in the signal processing circuit of Fig. 10.
  • Fig. 12 is a side view of a detector according to a fifth embodiment of the present invention.
  • Fig. 13 is a plan view of a detector according to a sixth embodiment of the present invention.
  • Fig. 14 is a side view of a detector according to a seventh embodiment of the present invention.
  • Fig. 15(a) is a sectional view of a film and Fig. 15(b) is a sectional side view of a bag formed by bending the film.
  • Fig. 16 is a sectional view of a prior art detector.
  • Fig. 17 is a sectional view of another prior art detector.
  • a double-layered polyethylene film F serving as package-making material is pulled out of a film roll R around which the elongated film is wound.
  • the film F is passed around first and second guide rolls 1 and 2 and introduced to a diagonally oriented guide rod RD whereby its direction of motion is changed by a right angle.
  • this diagonally oriented guide rod RD has the so-called tracking function for correcting the film position in the transverse direction W perpendicular to the direction of film transportation C.
  • the film F is transported horizontally from the guide rod RD. After third and fourth guide rolls 3 and 4 cause it to move upward, the film F is made to travel horizontally again by a fifth guide roll 5. After the film F moves along a zigzag path around sixth and seventh guide rolls 6 and 7, it is sent to a former 9 by an eighth roll 8.
  • the sixth and seventh guide rolls 6 and 7 also have a tracking function for correcting the film position in the transverse direction W.
  • a transverse sealer 11 seals the bag in transverse direction and cuts the film.
  • Fig. 2 shows the details of the film-supporting mechanism by the sixth through eighth guide rolls 6 - 8.
  • a rotary plate 18 is provided above a base 16 so as to be rotatable around a support shaft 17. If an ultrasonic motor 20 affixed onto the rotary plate 18 is activated in response to an output signal from a detection sensor to be described below, its pinion 21 engages with a planar arcuate sector gear 22 and causes the rotary plate 18 to rotate.
  • a support table 13 is affixed to the rotary plate 18, and the sixth guide roll 6 for tracking correction is attached to the tip of an arm 14 which is axially supported by this support table 13 so as to be able to assume either a raised position or a laid down position.
  • the arm 14 generally assumes the laid down position, keeping the sixth guide roll 6 on the downstream side of the seventh guide roll 7 so as to force the film F to follow a zigzag path and to thereby cooperate with the seventh guide roll 7 to control the transverse deviation of the film F.
  • numeral 15 indicates a load cell adapted to detect the tension inside the film F on the basis of the load on the arm 14.
  • a detection sensor 30 comprising a light-receiving means is disposed along the supply path of the film F between the seventh guide roll 7 for tracking correction and the former 9.
  • cut marks M are printed on the front surface of the film F, indicating the positions where the film F is to be transversely sealed and cut.
  • the sensor 30 is for the purpose of detecting the cut marks M serving as targets for the detection and outputting a signal for controlling the timing of operation of the transverse sealer 11 and the tracking correction of the film F in the transverse direction W.
  • the sensor 30 is elongated like a rod and extends in the transverse direction W.
  • a lens array with a plurality of lenses 31 is provided on a plane facing the film F, longitudinally extending in the transverse direction W with respect to the film F.
  • a plurality of independently corresponding light-receiving elements S1 - S n are on the back surface of the lens array at the positions of the foci of the lenses 31.
  • the sensor 20 is disposed such that the array of the light-receiving elements S i crosses side edges Ma of the cut marks M on the film F.
  • Detection signals 36 are transmitted to a central processing unit (CPU) 35, and the transverse deviation of the film F is detected in terms of the shift ⁇ between the detector element S i-2 which detected the edge Ma of the cut mark M and the element S i which is expected to detect the edge Ma if the film F is being transported normally.
  • CPU central processing unit
  • the sensor 30 With the sensor 30 thus structured, if the film F with cut marks M of a specified length printed thereon passes thereunder, those of the light-receiving elements immediately above the cut mark M experience a change in the amount of incident light. Since all of the light-receiving elements S1 ... S n are adapted to receive external light through the lens array 31, the sensor 30 can function accurately even if the external light is weak.
  • the CPU 35 through its edge detecting means 40, identifies the particular light-receiving element S i-2 which detected the edge Ma of the cut mark M.
  • the identity of another particular light-receiving element S i which is expected to detect the edge Ma when the film F is traveling normally, is inputted through an external means to a normal edge setting means 41.
  • the shift ⁇ between these two light-receiving elements S i and S i-2 is calculated by a calculating means 42, and a correction command signal 43 comprising a pulse signal indicative of the shift ⁇ is outputted from the calculating means 42 to an ultrasonic motor driving circuit (not shown). This causes the ultrasonic motor 20 of Fig.
  • the detection sensor 30 is disposed such that the array of the light-receiving elements S1 ... S n is oriented in the transverse direction W of the film F and over the edge Ma of the cut marks M thereon, the edge Ma can be reliably detected even if a film F with a different transverse dimension is transported or the detection sensor 30 is misplaced by a small distance in the transverse direction W. As a result, the tracking correction of the film F in the transverse direction W can be controlled without undue troubles.
  • the senor 30 can contain a plurality of light-receiving elements S1 ... S n at a small pitch.
  • the edge Ma of the cut marks M can be accurately detected.
  • solid image pickup elements are small, the aforementioned pitch can be made extremely small if they are used in the light-receiving elements S1 ... S n . Since the sensor 30 is situated between the tracking correction guide roll 7 and the former 9, furthermore, transverse deviations of the film F within the former 9 can be reliably prevented.
  • the sensor 30, can also detect the position of the cut mark M in the direction of travel C of the film F, its detection signals 36 can be used to control the transverse sealing and cutting operations of the transverse sealer 11. In other words, there is no need to provide two separate sensors for the detection of sealing positions and transverse deviation, and the structure of the apparatus can be simplified.
  • a light-emitting means 43 such as LED opposite to the sensor 30 across the film F, that is, below the film F, according to a second embodiment of the invention as shown in Fig. 5.
  • the detection sensor 30 is positioned over a side edge 45 of the film F according to a third embodiment of the invention as shown in Fig. 6. Since the transverse position of the edge 45 can thus be detected, detection signals can be used for accurate tracking correction of the film F in the transverse direction W.
  • Fig. 7 shows a fourth embodiment of the invention provided with an edge sensor 50 appropriate for the detection of a side edge 45 of a transparent film F.
  • This edge sensor 50 is disposed along the travel path of the film F between the diagonal rod RD and the fourth guide roll 4, as shown in Fig. 1.
  • a tracking correction motor 46 activates a tracking correction motor 46, causing the diagonal rod RD to move to a parallel position indicated by broken lines in Fig. 1 and to thereby correct the deviation of the film F in the transverse direction W.
  • this edge sensor 50 is comprised of light-emitting and light-receiving elements combined as a photo-interrupter of a total reflection type.
  • the edge sensor 50 has a casing 51 extending in the transverse direction W near the lower surface of a side edge 45 of the film F.
  • the casing 51 is provided with an elongated slit extending in the transverse direction W opposite to the lower surface of the film F.
  • An LED array 53 serving as light-emitting means is disposed at one corner inside the casing 51 and directed towards this slit 52.
  • a one-dimensional CCD image sensor 55 serving as light-receiving means is disposed at the opposite corner inside the casing 51 and is also directed towards the slit 52.
  • the LED array 53 is composed of a large number of LEDs serving as light-emitting elements aligned transversely on a base plate 56.
  • the one-dimensional CCD image sensor 55 is composed of a large number of solid image pickup elements aligned in the transverse direction W on another base plate 57.
  • the apparatus according to the fourth embodiment of the invention is so structured that the substantially totally reflected light from the light-emitting elements will be received by the light-receiving elements.
  • the LED array 53 is disposed on one side of the casing 51 such that the angle of the beam axis therefrom will cause substantially total reflection on the surface of the film F.
  • the one-dimensional CCD image sensor 55 is likewise disposed symmetrically with respect to the normal axis Y so as to render the angle ⁇ 1 equal to ⁇ .
  • the edge sensor 50 is disposed such that light-receiving elements S i ... S i ,for example, are inside 59 of the edge 45 of the film F.
  • a detection signal 61 from the one-dimensional CCD image sensor 55 is processed by a signal processing circuit 62 which concludes that the edge 45 of the film F should be somewhere between the i th and the (i+1) st of the many light-receiving elements.
  • Fig. 10 which shows the details of the signal processing circuit 62
  • detection pulse 67 begins to be sequentially outputted from this sensor 55, using the start pulse 65 as its starting point.
  • the signal processing circuit 62 includes a low pass filter 68 for receiving the detection pulse 67, a converter 69 for converting the output from the low pass filter 68 into a rectangular wave signal, and an AND circuit 70.
  • Fig. 11(a) shows a shaped pulse 72 obtained by shaping the waveform of the detection pulse 67 from the film F by means of the low pass filter 68. If this shaped pulse 72 is passed through the converter 69 containing a Schmidt circuit, a rectangular wave signal 75 with a falling section 76 is obtained from a direct current waveform 73 and a threshold level 74 as shown in Fig. 11(b). This falling section 76 indicates a position between the i th and (i+1) st light-receiving elements S i and S i+1 , that is, the position of the edge 45 of the film F shown in Fig. 9.
  • pulses 77 shown in Fig. 11(d), indicative of the number of the light-receiving elements S i+1 ... S n situated outside the edge 45, are outputted from the AND circuit 70.
  • the position of the edge 45 can be ascertained by counting the number of these pulses 77 by a counter 78 shown in Fig. 10.
  • a correction command signal 81 corresponding to this difference may be outputted to thereby cause the tracking correction motor 46 to rotate either positively or negatively, moving the guide rod RD parallel to its original position and returning the film F to its normal position.
  • the transversely elongated one-dimensional CCD image sensor 55 of Fig. 7 similarly detects the position of the edge 45 from the light received from the LED array 53, correcting the film position accordingly.
  • the edge position of not only an opaque or printed film but also a transparent film can be accurately determined by making use of the total reflection of light.
  • Fig. 12 shows a fifth embodiment of the present invention characterized in that the edge sensor 50A includes a piece of ground glass 84 on the optical axes of the LED array 53 so as to diffuse the sharp light beams from the array 53.
  • a slitted plate 86 is also provided in front of the one-dimensional CCD image sensor 55 such that the reflected light from the surface of the film F can be made incident while cutting off the diffracted external light.
  • numeral 87 indicates a screening plate disposed between the LED array 53 and the one-dimensional CCD image sensor 55.
  • a lens array 88 may be inserted according to a sixth embodiment of the invention as shown in Fig. 13 on the incident side of the one-dimensional CCD image sensor 55 inside the edge sensor 50B such that the totally reflected light can be convergingly refracted and focused on a smaller image sensor 55.
  • Fig. 14 shows an edge sensor 50C according to a seventh embodiment of the invention, characterized in that it is provided not only with a sensor of a total reflection type shown in Fig. 12 but also with another sensor of a light-transmissive type comprising another one-dimensional CCD image sensor 90 disposed inside the casing 51 and another LED array 91 opposite thereto across the film F.
  • the additional one-dimensional CCD image sensor 90 for receiving transmitted light is shielded by screening plates 87A so as not to receive light from the LED array 53 for total reflection.
  • the added one-dimensional CCD image sensor 90 and LED array 91 for light transmission are structure similarly to those for total reflection (55 and 53), respectively with a large number of solid image pickup elements and LEDs arranged in the transverse direction W of the film F and over the edge 45 of the film F.
  • the senor of the total reflection type (53 and 55) is used with a transparent film F and the sensor of transmissive type (90 and 91) is used with an opaque or printed film F such that an edge can be detected accurately for films of all types.
  • the present invention can be used for the detection of the transverse position of not only elongated films but also elongated paper material or long, thin steel material which is being transported longitudinally.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Length Measuring Devices By Optical Means (AREA)
EP19920901941 1990-12-28 1991-12-25 Apparatus for detecting position of article to be fed Withdrawn EP0517928A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP405771/90U 1990-12-28
JP40577190U JPH0491810U (de) 1990-12-28 1990-12-28
JP344014/91 1991-12-02
JP34401491A JPH05155515A (ja) 1991-12-02 1991-12-02 長尺フィルムのエッヂ検出装置
PCT/JP1991/001763 WO1992012054A1 (en) 1990-12-28 1991-12-25 Apparatus for detecting position of article to be fed

Publications (2)

Publication Number Publication Date
EP0517928A1 true EP0517928A1 (de) 1992-12-16
EP0517928A4 EP0517928A4 (en) 1994-06-22

Family

ID=26577673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920901941 Withdrawn EP0517928A4 (en) 1990-12-28 1991-12-25 Apparatus for detecting position of article to be fed

Country Status (2)

Country Link
EP (1) EP0517928A4 (de)
WO (1) WO1992012054A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606829A3 (de) * 1992-12-16 1994-11-30 Valmet Paper Machinery Inc Verfahren und Vorrichtung zur Überwachung der Kante einer sich bewegenden Bahn.
DE19516869C2 (de) * 1995-05-09 2002-12-19 Rovema Gmbh Schlauchbeutelmaschine
WO2007072673A1 (ja) 2005-12-22 2007-06-28 Tetra Laval Holdings & Finance S.A. 包装容器製造装置及び包装容器製造方法
WO2010136282A1 (en) * 2009-05-26 2010-12-02 Unilever Nv A method and apparatus for forming, filling and sealing pouches with a non-linear edge
ITUA20162968A1 (it) * 2016-04-28 2017-10-28 Mbp Srl Confezionatrice verticale con sistema di svolgimento film agevolato

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010214813A (ja) * 2009-03-17 2010-09-30 Toshiba Tec Corp プリント装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104893A1 (de) * 1971-02-03 1972-08-17 Licentia Gmbh Vorrichtung zum Abtasten von Kanten bewegter Gegenstände
JPS60233504A (ja) * 1984-05-02 1985-11-20 Ricoh Co Ltd 紙サイズ検出装置
DE3423308A1 (de) * 1984-06-23 1986-01-09 Erhardt & Leimer GmbH, 8900 Augsburg Fotoelektronische fuehleinrichtung
EP0379097A2 (de) * 1989-01-14 1990-07-25 Erhardt & Leimer GmbH Verfahren zur Kantenlagenfeststellung und fotoelektronische Fühleinrichtung zur Kantenabtastung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734401A (en) * 1980-08-12 1982-02-24 Tdk Corp Apparatus and method for measuring of tape width
JPS58149207A (ja) * 1982-02-10 1983-09-05 大森機械工業株式会社 自動包装装置等における帯状フイルムの蛇行修正装置
JPS61112206U (de) * 1984-12-27 1986-07-16
JPH0288910A (ja) * 1988-09-26 1990-03-29 Kawasaki Steel Corp 板材の側端位置検出方法
JPH0325303A (ja) * 1989-06-23 1991-02-04 Toppan Printing Co Ltd 蛇行検査装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104893A1 (de) * 1971-02-03 1972-08-17 Licentia Gmbh Vorrichtung zum Abtasten von Kanten bewegter Gegenstände
JPS60233504A (ja) * 1984-05-02 1985-11-20 Ricoh Co Ltd 紙サイズ検出装置
DE3423308A1 (de) * 1984-06-23 1986-01-09 Erhardt & Leimer GmbH, 8900 Augsburg Fotoelektronische fuehleinrichtung
EP0379097A2 (de) * 1989-01-14 1990-07-25 Erhardt & Leimer GmbH Verfahren zur Kantenlagenfeststellung und fotoelektronische Fühleinrichtung zur Kantenabtastung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 101 (P-447)(2158) 17 April 1986 & JP-A-60 233 504 (RICOH) *
See also references of WO9212054A1 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606829A3 (de) * 1992-12-16 1994-11-30 Valmet Paper Machinery Inc Verfahren und Vorrichtung zur Überwachung der Kante einer sich bewegenden Bahn.
US5489784A (en) * 1992-12-16 1996-02-06 Valmet Paper Machinery, Inc. Method and device for monitoring an edge of a moving web with a bar of radiation
DE19516869C2 (de) * 1995-05-09 2002-12-19 Rovema Gmbh Schlauchbeutelmaschine
WO2007072673A1 (ja) 2005-12-22 2007-06-28 Tetra Laval Holdings & Finance S.A. 包装容器製造装置及び包装容器製造方法
EP1967451A1 (de) * 2005-12-22 2008-09-10 Tetra Laval Holdings & Finance SA Vorrichtung zur herstellung von verpackungsbehältern und verfahren zur herstellung von verpackungsbehältern
EP1967451A4 (de) * 2005-12-22 2010-01-20 Tetra Laval Holdings & Finance Vorrichtung zur herstellung von verpackungsbehältern und verfahren zur herstellung von verpackungsbehältern
US7784247B2 (en) 2005-12-22 2010-08-31 Tetra Laval Holdings & Finance S.A. Packaging-container manufacturing apparatus and packaging-container manufacturing method
WO2010136282A1 (en) * 2009-05-26 2010-12-02 Unilever Nv A method and apparatus for forming, filling and sealing pouches with a non-linear edge
ITUA20162968A1 (it) * 2016-04-28 2017-10-28 Mbp Srl Confezionatrice verticale con sistema di svolgimento film agevolato
WO2017187294A1 (en) * 2016-04-28 2017-11-02 MBP S.r.l. A vertical packaging machine

Also Published As

Publication number Publication date
WO1992012054A1 (en) 1992-07-23
EP0517928A4 (en) 1994-06-22

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