EP0897887B1 - Méthode et dispositif pour contrôler l'épaisseur d'objects en forme de feuilles transportés en continu - Google Patents
Méthode et dispositif pour contrôler l'épaisseur d'objects en forme de feuilles transportés en continu Download PDFInfo
- Publication number
- EP0897887B1 EP0897887B1 EP98114797A EP98114797A EP0897887B1 EP 0897887 B1 EP0897887 B1 EP 0897887B1 EP 98114797 A EP98114797 A EP 98114797A EP 98114797 A EP98114797 A EP 98114797A EP 0897887 B1 EP0897887 B1 EP 0897887B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- monitoring
- control
- levers
- monitoring element
- measured value
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/32—Orientation of handled material
- B65H2301/323—Hanging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/13—Thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/22—Distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/51—Presence
- B65H2511/514—Particular portion of element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/52—Defective operating conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/42—Cameras
Definitions
- the invention relates to a control method and a device for carrying it out the control procedure according to the generic terms of the corresponding independent claims.
- the control procedure and the device serve to measure the thickness of continuously conveyed, flat objects, control of printed products in particular.
- the process controls the number of pages of printed products, whereby print products with correct and incorrect number of pages can be detected and each can be fed to a corresponding special further treatment are.
- the measuring system essentially consists of a rotating disc a plurality of pairs of buttons, for example with the saddle-shaped Cooperation requirements of a collecting drum (conveyor system).
- the disc and the collecting drum are arranged relative to one another and synchronized in this way driven that every edition and the printed product promoted on it is scanned by a pair of buttons.
- the difference between the measurement positions (Edition without and with product) of the two buttons of a pair of buttons corresponds to the thickness of the scanned product.
- buttons must be movably mounted on the disc be and superimposed by control means in one of the circular movements of the disk Movement can be controlled.
- control means in one of the circular movements of the disk Movement can be controlled.
- the object of the invention to provide a method for controlling the thickness of flat objects continuously funded by individual funding, in particular to show printed products and a device to carry out the procedure.
- the purpose of the invention Method and the device according to the invention in significantly higher Mass be independent of the conveyor with which the products be promoted than is the case with the device described above is such that the thickness control of the conveyor system essentially no mechanical limits and no increased accuracy imposed become.
- the device should be simple mechanical means and easily producible manufacturing and Assembly tolerances can be realized.
- the device is also said to be robust and in be largely free of attitudes, i.e. it should have properties that trouble-free operation even in the dusty climate of the printing houses to guarantee.
- control elements are introduced and it becomes a control element is assigned to each printed product.
- the controls consist essentially of a pair of control levers with clamping jaws (first lever parts) pressed against each other with a pressing force become.
- a range of each printed product is between pinched the jaws of a pair of levers.
- the captured image becomes a one that corresponds to the edge distance Measured value determined.
- This measurement is taken with each control element assigned target range compared.
- the target range is a predetermined one Tolerance range that combines with a setpoint from a calibration measurement , the calibration measurement for the specific control element and a correct product is carried out.
- the tolerance range is to be specified according to the purpose of the control. For example, for a special further treatment of printed products that do not have the correct page number, the tolerance range is on paper quality vote. Both sides of the setpoint are intended for such an application the tolerance range should in any case be narrower than the thickness one side. So that products with certain numbers of missing or excess pages can be detected separately, a plurality can also of corresponding tolerance ranges of different orientations (larger or smaller than the target value) and / or different widths superimposed become.
- FIG. 1 shows an overview of an exemplary embodiment of the device according to the invention.
- the device is shown viewed transversely to the conveying direction F of the printed products 1.
- the printed products 1 are conveyed individually with the aid of grippers 2 which are arranged, for example, on a chain which runs in a chain channel 2.1.
- the device according to the invention essentially consists of a control disk 3 arranged tangentially to the conveying direction F and rotating in the same direction (arrow R) with control elements 4, a camera 5, a computer for image and measured value processing and a triggering device 7.
- the control elements 4 are equidistant on the circumference of the control disk 3 arranged and consist essentially of one relative to the control disc 3 stationary control lever 10 and one relative to the control disc 3 movable, for example pivotable about a pivot axis 11.1 Control lever 11. Both control levers 10 and 11 point at their distal Ends of a jaw 13, the jaws 13 of a control element 4 facing each other and for pinching a printed product are aligned.
- the swiveling control lever 11 a specific control element 4 is by a spring 12 against the stationary control lever 10 pressed, that is, in a position in which two jaws 13 are essentially against each other or a printed product pinch between them.
- the pivotable control lever 11 also has a control roller 14 which when turning the control disk 3 on a stationary control link 15 rolls.
- the control link 15 is designed such that the pivotable Control lever 11 against the force of the spring 12 from the stationary Lever is kept apart, except in the control area K, in which the Control element 4 is in interaction with a printed product 1.
- the control roller 14 does not roll on the backdrop 15 but is the area Position of the pivotable control lever 11 by the spring 12 and by the thickness of a printed product jammed between the jaws 1 determined.
- control link such that the clamping jaws of the individual control elements do not lie on top of each other if they are without a jammed printed product will pass through the control area, but have a distance from each other, but which is smaller than the thickness of the thinnest print product to be expected.
- the control disc 3 is synchronized and rectified with the gripper chain driven in the direction of arrow R rotating, for example via a Chain output with a sprocket 20 and a drive chain 21, the Control disc 3 and the gripper chain are synchronized such that one each Grippers 2 and a control element 4 with each other through the control area K can be moved.
- the camera 5 is arranged stationary and aligned with the control area K.
- the viewing direction of the camera 5 is exemplary in the present case Trap aligned substantially perpendicular to the axis of rotation of the control disk 3 on edges 30 to be imaged (FIG. 2), on from the control disc 3 protruding parts 30.1 of the control levers 10 and 11 are arranged.
- the distance between the edges to be imaged is directly dependent on the Thickness of a printed product clamped between the jaws 13 1.
- the camera 5 is, for example, a digital camera that has a pixel file created and forwards this to the computer 6.
- a triggering device 7 for triggering an image recording. This consists, for example, of a laser barrier, made by a reference body 31 is passed through. There is 4 for each control element Reference body 31 is provided, for example on the pivotable control lever 11 is arranged and how the surfaces 30 to be imaged from the Control disc 3 protrudes.
- the laser barrier of the trigger unit 7 is of this type positioned that the moment the reference body 31 of a control element the laser barrier interrupts another control element Enter control area K and trigger camera 5. The camera 5 is triggered by the signal of the interruption of the laser barrier.
- a switch 7.1 can also be provided, which is switched on by one on the control disc 3 arranged element is triggered, which switch 7.1 after one revolution of the control disc is actuated.
- the signal from the switch 7.1 can be used, for example, for the zeroing of a counter that Control operations counts and each control operation a specific control element or the control process the setpoint of the specific control element assigns.
- the computer 6 is used for image evaluation, that is to measure the im Image recorded distance (measured value M) between the two shown Edges 30 of the stationary control lever 10 and the pivotable Control lever 11 (visible on the screen 32 of the computer 6).
- the Measured value M is registered, for example, as the number of pixels.
- the computer is also used for storage and, if necessary, continuous adjustment the target values, one of which is assigned to each control element 4.
- tolerance ranges for example a keyboard 33 equipped.
- Figure 2 shows in more detail a control element 4 with a viewing angle parallel to the axis of rotation of the control disc 3, that is to say transversely to the conveying direction F.
- the control element 4 is located in the control area, that is to say in a jamming interaction with a printed product 1.
- the control link 15 gives way to this Area in such a way from a circle concentric with the control disk 3 that it represents in all other areas that the control roller 14 does not touch the control link 15 and the clamping jaws 13 can thereby clamp the printed product 1.
- the distance D between the surfaces 30 to be imaged is the size to be measured.
- FIG. 3 shows, with a viewing direction which is opposite to the conveying direction F, a gripper 2 which is driven by the gripper chain 2.2 in the chain channel 2.1 and conveys a printed product 1.
- a part of the control disk 3 with parts of a control element 4, the camera 5 and a lighting or flashing device 40 are visible from the device according to the invention.
- the stationary control lever 10 of the control element 4 is completely visible and in particular the edge 30 to be imaged.
- the control roller 14 and the reference body 31 are visible from the pivotable control lever 11.
- the control element 4 has obviously not yet reached the control area or has just left it, because the control roller 14 runs on the control link 15.
- a printed product 1 is conveyed against the control area K. Shortly before the control area K becomes a control element 4 in an open state (Jaws spaced apart) in the flow of the Printed products fed that the two jaws 10 and 11 onto each other opposite sides of a free area of the printed product be positioned. At the entrance of the control area K the effect stops the control link 15 on the pivotable control lever 11 so that this is driven by the spring 12 against the stationary lever 10, whereby the free area of the printed product 1 between the press jaws 13 the control lever 10 and 11 is pinched. Go through interacting like this the control element 4 and the printed product 1 together the control area K.
- the camera 5 is activated by the release unit 7 triggered and is from the edges 30 to be imaged and the intermediate Distance D made a picture.
- the control link 15 of the pivotable control lever 11 again moved away from the stationary control lever 10 and thereby the printed product 1 released from the trap.
- the control area is K few arc minutes of the rotation of the control disk 3.
- the image recorded by the camera 5 is processed by the computer 6.
- This processing consists in assigning the mapped distance between the two mapped edges 30 to a measured value M (for example in pixels) which is proportional to the actual distance D between these edges.
- the measured value M corresponds to the thickness of the pinched printed product only to a limited extent.
- the measured value M contains the following factors: multiplicative factors due to the enlargement or reduction of the image recording and due to inaccuracies in the distance between the clamping jaws and the edges to be imaged (lever ratio) and additive factors due to inaccuracies in the mutual arrangement of the edges to be imaged (D. Without a jammed printed product, it may not be zero). So that the factors mentioned do not influence the control, it is absolutely necessary to determine and store the target value M s for each control element 4 separately.
- the target value M s for each control element 4 is determined by a calibration measurement, i.e. a check is carried out with a correct product (with the correct number of pages k) and the corresponding measured value M k for at least one further check with the same Control element saved as setpoint M s .
- the target value M s is assigned a tolerance T, corresponding to the same scale, in which the target value M corresponds to s the effective considered distance D, a predetermined fraction of the thickness of one side (paper thickness).
- the tolerance T is entered and does not change as long as products of the same paper quality are processed.
- a first inspection pass with printed products assessed as correct is sufficient for determining the target values M S for each control element. If the control of products with individual target page numbers that differ from one another is feasible, the target value M Ss must be calculated for each product based on its individual target page number s. In order to make this possible, in addition to a control run with products of a known reference page number r and measurement results M r, a control run without printed products with measurement results M 0 is necessary so that the above-mentioned additive factors do not disturb the comparison.
- the small weight of the correction element prevents short-wave strong ones Variations in the setpoint.
- FIG. 4 shows a possible course for the controls that are carried out by a control element.
- the measured value M is plotted as a function of time t. Due to speed variations in the conveyance, the individual measurements 0 to 7 can be made at uneven time intervals, as shown.
- FIG. 4 shows the course of the target value and target range corrected on the basis of the measured values M. In the fifth and seventh check, defective products are detected and the setpoint is not corrected for this reason.
- Figure 5 shows a control with two target ranges M S1 ⁇ T and M S2 ⁇ T, which are, for example, four side thicknesses apart.
- the first target range corresponds, for example, to a printed product without a four-sided insert
- the second target range corresponds to a same printed product with a four-sided insert.
- a corresponding check either the correct presence of the insert is checked by another check and, in the present thickness check, products with measured values within the two target ranges are classified as correct, products with measured values outside the two tolerance ranges as faulty.
- a product with four excess pages but without an insert is wrongly classified as correct.
- FIG. 5 shows ten control processes, the zero control process being the Calibration measurement with a printed product without an insert and where in the control processes 1, 6, 7 and 10 correct products without an insert, in the Control processes 2, 5, 8 correct products with supplement and in the control processes 3, 4 and 9 defective products can be detected. Also refer here the control processes shown refer to a specific control element and the target values are only corrected if a correct product has been detected.
- the method according to the invention and the method according to the invention Device not only applicable for the control of printed products regarding missing or excess pages. Are in the same way these can be used to detect folded or crumpled pages or to control paper quality if the print products to be checked have only one page or if their page number matches others Funds (for example, by appropriate controls of the steps in which these are brought together) has already been judged to be correct.
- Funds for example, by appropriate controls of the steps in which these are brought together
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Controlling Sheets Or Webs (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Claims (19)
- Procédé pour contrôler l'épaisseur d'objets en deux dimensions et transportés de façon continue dans un flux avec des moyens individuels de transport à l'aide d'un grand nombre d'éléments de contrôle (4), déplacés sur une bande fermée, lesquels s'engrènent sur leur bande dans le flux de transport des objets, des paires interactives étant transportées de façon successive à travers une zone de contrôle (K) par respectivement un élément de contrôle (4) et un objet qui lui est attribué, zone de contrôle dans laquelle l'interaction entre l'élément de contrôle (4) et l'objet est enregistrée quantitativement pour chaque paire, les quantités enregistrées étant comparées avec une valeur prévue (Ms) et des signaux appropriés au résultat de la comparaison étant générés à des fins de contrôle et/ou de commande, caractérisée en ce que l'interaction entre l'élément de contrôle (4) et l'objet consiste dans le fait qu'une zone de l'objet entre des premières parties de leviers de contrôle (10, 11) de l'élément de contrôle (4) qui lui est attribué est comprimée, en ce que l'enregistrement quantitatif de l'interaction entre l'élément de contrôle (4) et l'objet consiste dans un enregistrement d'une distance (D) variant avec l'épaisseur des objets entre des secondes parties des leviers de contrôle (10, 11) et en ce que la valeur prévue (Ms) pour chaque élément de contrôle (4) individuel est calculée à partir d'une valeur de mesure (Mk) enregistrée par une mesure d'étalonnage avec cet élément de contrôle (4).
- Procédé selon la revendication 1, caractérisé en ce que les objets sont des produits sous pression (1).
- Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'enregistrement de la distance (D) consiste à enregistrer une prise de vue des secondes parties des leviers de contrôle (10,11) de façon que la distance (D) entre les parties de levier reproduites soit mesurable en tant que valeur de mesure (M) à partir de la prise de vue.
- Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins une tolérance (T) est prédéfinie pour les valeur prévue (Ms) et en ce que l'on ne génère pas de signaux pour des objets avec des valeurs de mesure (M) dans la limite d'une plage prévue (Ms ± T).
- Procédé selon la revendication 4, caractérisé en ce que la tolérance (T) correspond à une fraction prédéfinie de l'épaisseur d'un côté individuel de produits sous pression (1) à contrôler.
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la valeur prévue (Ms) pour chaque élément de contrôle (4) individuel est corrigée après un passage de cet élément de contrôle par la zone de contrôle (K) à l'aide de la valeur de mesure (M) générée dans ce passage, si la valeur de mesure (M) se situe dans les limites de la plage prévue (Ms ± T).
- Procédé selon la revendication 6, caractérisé en ce que la valeur prévue (Ms) est corrigée par une valeur de correction additive et en ce que la valeur de correction additive est la valeur de mesure (M) pourvue d'un faible poids.
- Procédé selon l'une quelconque des revendications 2 à 7, caractérisé en ce qu'une valeur prévue (Mss) individuelle appropriée à son nombre de côtés prévu (s) individuel est calculée pour chaque produit sous pression (1) à contrôler.
- Procédé selon la revendication 8, caractérisé en ce que, pour calculer la valeur prévue (Mss) individuelle pour un produit sous pression avec le nombre de côtés prévu (s) individuel, on utilise la valeur de mesure (Mo) d'une mesure d'étalonnage sans produit sous pression et la valeur de mesure (Mr) avec un produit sous pression avec un nombre de côtés de référence (r).
- Dispositif pour la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 9, lequel dispositif présente un grand nombre d'éléments de contrôle (4), qui sont déplaçables sur une bande fermée, peuvent être introduits sur une partie de cette bande dans un flux de transport d'objets à deux dimensions et transportés en continu par des moyens individuels de transport, de façon synchronisée avec ces objets et peuvent être guidés avec respectivement l'un des objets de façon interactive par une zone de contrôle, lequel dispositif présente également un capteur pour l'enregistrement quantitatif de l'interaction entre l'élément de contrôle (4) et l'objet, un moyen pour calculer une valeur de mesure (M) à partir de l'interaction enregistrée, un moyen pour comparer la valeur de mesure (M) calculée avec une valeur prévue (Ms) et un moyen pour générer des signaux appropriés au résultat de la comparaison à des fins de contrôle et/ou de commande, caractérisé en ce que les moyens de contrôle (4) présentent respectivement une paire de leviers de contrôle (10, 11) pouvant être contrôlés et pressés l'un contre l'autre avec des mâchoires (13), en ce que le capteur est disposé de telle façon que la distance (D) entre les parties des deux leviers de contrôle (10, 11) d'un élément de contrôle (4) puisse être enregistrée ainsi dans la zone de contrôle (K), en ce que le dispositif présente également un système de déclenchement (7), qui active le capteur lors de l'entrée d'un élément de contrôle (4) dans la zone de contrôle, et en ce que le dispositif présente également un ordinateur (6) qui est équipé pour le traitement de l'enregistrement ou une valeur de mesure et pour la comparaison de valeurs prévues (Ms) avec des valeurs de mesure (M).
- Dispositif selon la revendication 10, caractérisé en ce que le capteur est une caméra (5), qui permet d'enregistrer une image de deux arêtes (30) et de la distance (D) les séparant.
- Dispositif selon la revendications 10 ou 11, caractérisé en ce que les éléments de contrôle (4) sont disposés de façon équidistante à la périphérie d'un disque de contrôle (3) pouvant être entraíné de façon synchrone avec le transport des produits sous pression (1) et donc avec une rotation dans le même sens.
- Dispositif selon la revendication 12, caractérisé en ce que le levier de contrôle (10) de chaque élément de contrôle (4) est relié de façon fixe au disque de contrôle (3) et en ce que l'autre levier de contrôle (11) est disposé sur le disque de contrôle (3) de façon à pouvoir basculer autour d'un axe de pivotement (11.1).
- Dispositif selon la revendication 13, caractérisé en ce que les leviers de contrôle (11) basculants sont pourvus pour la commande d'un galet de commande (14) et en ce qu'il est prévu une coulisse de commande (15) fixe, sur laquelle les galets de commande (14) peuvent rouler au moins avant et après la zone de contrôle (K) et les deux leviers de contrôle (10, 11) peuvent être maintenus dans une position espacée l'un de l'autre.
- Dispositif selon la revendication 14, caractérisé en ce que, pour le resserrement des leviers de contrôle (10, 11) d'un élément de contrôle (4), il est prévu respectivement un ressort (12) entre le levier de contrôle (11) basculant de chaque élément de contrôle (4) et le levier de contrôle (10) fixe de l'élément de contrôle (4) voisin.
- Dispositif selon l'une quelconque des revendications 10 à 15, caractérisé en ce qu'il est prévu comme système de déclenchement (7) une barrière à laser qui peut être franchie par des corps de référence (31) disposés sur les éléments de contrôle (4).
- Dispositif selon l'une quelconque des revendications 10 à 16, caractérisé en ce que l'appareil photo (5) est un appareil photo numérique.
- Application de la méthode selon l'une quelconque des revendications 1 à 9 et un dispositif selon l'une quelconque des revendications 10 à 17 pour la détection et le traitement ultérieur spécifique de produits sous pression avec un nombre de côtés différent d'un nombre de côtés prévu.
- Application selon la revendication 18, caractérisée en ce qu'on fait une différence entre des produits sous pression avec des nombres spécifiques de côtés manquants ou de côtés excédentaires et que ceux-ci sont amenés à un traitement ultérieur spécifique.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH192297 | 1997-08-15 | ||
CH192297 | 1997-08-15 | ||
CH1922/97 | 1997-08-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0897887A1 EP0897887A1 (fr) | 1999-02-24 |
EP0897887B1 true EP0897887B1 (fr) | 2002-04-17 |
Family
ID=4221733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98114797A Expired - Lifetime EP0897887B1 (fr) | 1997-08-15 | 1998-08-06 | Méthode et dispositif pour contrôler l'épaisseur d'objects en forme de feuilles transportés en continu |
Country Status (7)
Country | Link |
---|---|
US (1) | US6119358A (fr) |
EP (1) | EP0897887B1 (fr) |
AU (1) | AU733525B2 (fr) |
CA (1) | CA2245052C (fr) |
DE (1) | DE59803818D1 (fr) |
DK (1) | DK0897887T3 (fr) |
ES (1) | ES2176869T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012079987A1 (fr) | 2010-12-15 | 2012-06-21 | Ferag Ag | Dispositif et procédé de commande du transport et du traitement de produits plats |
US8378829B2 (en) | 2007-05-29 | 2013-02-19 | Ferag Ag | Method for monitoring and/or controlling a transport device, transport device for carrying out said method and clamp for detachably holding and transporting |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6473987B1 (en) * | 1999-12-28 | 2002-11-05 | Accretech Usa, Inc. | Method for measuring wafer thickness |
EP1531317A1 (fr) * | 2003-11-14 | 2005-05-18 | Dr. Schleuniger Pharmatron AG | Méthode pour la mesure de l'épaisseur et de la dureté d'un échantillion et une table rotative et une unité de balayage associé |
ES2300917T3 (es) | 2004-11-26 | 2008-06-16 | Ferag Ag | Procedimiento y dispositivo para el procesamiento de articulos impresos. |
EP2424803A4 (fr) * | 2009-04-29 | 2017-10-18 | Muller Martini Corp. | Appareil et procédé pour détecter une quantité de feuilles de produit en papier |
CN110617771B (zh) * | 2019-10-18 | 2024-07-12 | 杭州中为光电技术有限公司 | 用于自动检测蓝宝石晶片厚度的装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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IT997161B (it) * | 1973-10-25 | 1975-12-30 | Finike Italiana Marposs | Comparatore a tastaggio diretto per la misura delle dimensioni di pezzi in movimento particolarmen te per misure con contatto inter mittente tra gli elementi di tastag gio ed il pezzo |
US4493153A (en) * | 1980-11-10 | 1985-01-15 | The Bendix Corporation | Measuring apparatus and method of making |
IT1169180B (it) * | 1983-03-09 | 1987-05-27 | Finike Italiana Marposs | Comparatore per il controllo di dimensioni lineari di pezzi meccanici |
US4549207A (en) * | 1984-04-09 | 1985-10-22 | Avco Corporation | Gap measuring apparatus |
US4697246A (en) * | 1984-09-07 | 1987-09-29 | Bell & Howell Company | Method and apparatus for detecting the engagement of a proper number of articles |
US4710808A (en) * | 1986-08-05 | 1987-12-01 | Mechanical Technology Incorporated | Machine vision differential measurement system |
US4941269A (en) * | 1989-08-03 | 1990-07-17 | Daido Metal Company, Ltd. | Thickness measuring apparatus |
US5447240A (en) * | 1993-03-25 | 1995-09-05 | Kabushiki Kaisha Toshiba | Apparatus for determining whether a sheet is of a first type or a second type |
DE59403176D1 (de) * | 1993-10-29 | 1997-07-24 | Ferag Ag | Verfahren und Vorrichtung zur Messung der Dicke von Druckereierzeugnissen, wie Zeitungen, Zeitschriften und Teilen hiervon |
US5568917A (en) * | 1994-07-08 | 1996-10-29 | Am International, Inc. | Apparatus for calipering a collated assemblage |
US5649588A (en) * | 1995-08-03 | 1997-07-22 | Dae Woo Automotive Components, Ltd. | Condenser for use in automotive vehicles |
-
1998
- 1998-08-06 EP EP98114797A patent/EP0897887B1/fr not_active Expired - Lifetime
- 1998-08-06 DK DK98114797T patent/DK0897887T3/da active
- 1998-08-06 DE DE59803818T patent/DE59803818D1/de not_active Expired - Lifetime
- 1998-08-06 ES ES98114797T patent/ES2176869T3/es not_active Expired - Lifetime
- 1998-08-12 US US09/132,705 patent/US6119358A/en not_active Expired - Lifetime
- 1998-08-13 AU AU79994/98A patent/AU733525B2/en not_active Ceased
- 1998-08-14 CA CA002245052A patent/CA2245052C/fr not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8378829B2 (en) | 2007-05-29 | 2013-02-19 | Ferag Ag | Method for monitoring and/or controlling a transport device, transport device for carrying out said method and clamp for detachably holding and transporting |
WO2012079987A1 (fr) | 2010-12-15 | 2012-06-21 | Ferag Ag | Dispositif et procédé de commande du transport et du traitement de produits plats |
US8915493B2 (en) | 2010-12-15 | 2014-12-23 | Ferag Ag | Apparatus and method for controlling the transportation and the handling of sheet-like products |
Also Published As
Publication number | Publication date |
---|---|
US6119358A (en) | 2000-09-19 |
EP0897887A1 (fr) | 1999-02-24 |
DE59803818D1 (de) | 2002-05-23 |
CA2245052A1 (fr) | 1999-02-15 |
AU733525B2 (en) | 2001-05-17 |
DK0897887T3 (da) | 2002-08-19 |
ES2176869T3 (es) | 2002-12-01 |
AU7999498A (en) | 1999-02-25 |
CA2245052C (fr) | 2007-07-31 |
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