EP1510316A2 - Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen - Google Patents

Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen Download PDF

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Publication number
EP1510316A2
EP1510316A2 EP04027078A EP04027078A EP1510316A2 EP 1510316 A2 EP1510316 A2 EP 1510316A2 EP 04027078 A EP04027078 A EP 04027078A EP 04027078 A EP04027078 A EP 04027078A EP 1510316 A2 EP1510316 A2 EP 1510316A2
Authority
EP
European Patent Office
Prior art keywords
preform
production line
hydraulic binder
mark
pulleys
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.)
Granted
Application number
EP04027078A
Other languages
English (en)
French (fr)
Other versions
EP1510316B1 (de
EP1510316A3 (de
Inventor
Paul Jallon
Michel Rigaudon
Jean Louis Laurent
Jean Paul Solomut
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.)
Etex France Building Performance SA
Original Assignee
Lafarge Platres SA
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 EP02290462A external-priority patent/EP1338393A1/de
Priority claimed from EP02291132.5A external-priority patent/EP1361030B1/de
Application filed by Lafarge Platres SA filed Critical Lafarge Platres SA
Priority to EP04027078.7A priority Critical patent/EP1510316B1/de
Publication of EP1510316A2 publication Critical patent/EP1510316A2/de
Publication of EP1510316A3 publication Critical patent/EP1510316A3/de
Application granted granted Critical
Publication of EP1510316B1 publication Critical patent/EP1510316B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
    • B28B11/16—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs
    • B28B11/166—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs with devices for determining the correct cutting moment, e.g. measuring rollers or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0863—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for profiling, e.g. making grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/162—With control means responsive to replaceable or selectable information program

Definitions

  • the present invention relates to a method for manufacturing plates based on hydraulic binder, in particular, plates of plaster with thinned edges, a production line of such plates, as well as a device, in particular, for the production an impression in a preform with a hydraulic binder base.
  • plates are usually obtained by the cutting a preform based on hydraulic binder to determined lengths.
  • a compound cutting system is used. of a wheel resting on the top of the preform and driven by rotation by the displacement of the latter.
  • the wheel is graduated and coupled to a counter which actuates the device of cut once the desired length for the plate is reached.
  • the wheel and the meter are usually located at the downstream end of the production line, a short distance of the cutting device, in order to avoid the phenomena lengthening or narrowing of the preform.
  • the invention aims to propose an alternative to this system wheel / meter.
  • Such a method has the particular advantage of allowing the determination of the length of the plate at the time of forming of the preform.
  • Such a method also has the advantage of being able to be used in the production of plates based on hydraulic binder to thinned edges.
  • step 2 already mark before step 2) and an impression is made in the preform.
  • step 2 already detects the mark before step 2), and introduces a latte under the preform, we let the hydraulic grip of the composition to be done then remove the lath.
  • we already detect the mark before step 2) we realize a impression in the preform and we introduce a slat under the preform, the introduction of the latte being then advantageously carried out after the production of the impression and at the level where the impression was made.
  • the production line of hydraulic binder-based plates are additional means for detecting the mark, means for producing an impression in the preform and / or a lath introducing device under the preform, additional means of actuation, to actuate, after receiving a detection signal from the means additional detection means, said means of realization an impression in the preform and / or said means introduction of laths under the preform.
  • the additional actuation means provide that the introduction of each slat is made substantially to where an impression has been made or the opposite of the place where an impression was made.
  • US Patent No. 4,781,558 describes an apparatus for the manufacture of plaster with hollows. So he proposes to carry out, on a preform intended to be cut to give plates of plaster, recesses by means of a drum 34 comprising bumps 36 (see in particular Figure 1 of this patent). The depth of the hollows is therefore determined by the size of the bumps. So, to change the depth and / or shape of these hollow, the drum 34 should be replaced by another drum having bumps of different size and / or shape (s).
  • fingerprints 51A, 51B are made in a preform intended to be cut to give plasterboard, by means (see especially the Figure 1 and Column 3, lines 29 to 43 of this patent) 20 rotating around two rollers 21 and having a protrusion 25.
  • the preform is then cut in the middle of imprints so as to produce plates with thinned edges.
  • the invention therefore also aims to solve the problem of making impressions in a preform while offering the ability to change the dimension easily and quickly and / or the shape of these prints.
  • the invention makes it possible to produce satisfactory plates based on hydraulic binder with edges thinned.
  • a hydraulic binder composition 2 In the upstream zone of the line, one runs on a material of coating 1 a hydraulic binder composition 2 and, generally, it is covered by means of a second material of siding 3.
  • the passage of the assembly under the forming plate 4 gives a preform 5, which moves, supported by a carpet carrier 7, to the downstream zone of the line, where it is cut transversely by a cutting device 9, constituted usually by a roller equipped with a knife ( Figure 2), for to give plates.
  • upstream and downstream refer to the meaning of scrolling of the preform 5.
  • upstream zone we therefore mean in this presentation, the part of the production line located near the forming plate 4.
  • Downstream zone means the part of the line of production located near the cutting device 9.
  • the hydraulic binder composition preferably comprises plaster.
  • Facing materials 1 and 3 may consist of sheets of paper or cardboard, glass mats or anything material known to those skilled in the art as being able to serve as facing material.
  • marking means 300 are provided, generally upstream of the forming plate 4, to produce at minus one mark, preferably on the facing material 3 of the preform 5.
  • the mark is therefore generally carried out upstream of the forming plate 4, that is to say before the preform 5 does not be formed.
  • the mark may be produced by depositing a material such ink on the surface of the facing material, in order to to make a stain, a line, or any sign.
  • the material deposited may be visible or not to the null eye.
  • the dimensions of the brand can be very variable.
  • the mark may also consist of a relief or a recess formed on the surface of the facing material.
  • the marking means 300 can therefore consist of of a piece forming an ink pad which is regularly animated of a back and forth motion towards the material of siding 3 illustrated by the double arrow B.
  • the marking means 300 can therefore consist of of a piece forming an ink pad which is regularly animated of a back and forth motion towards the material of siding 3 illustrated by the double arrow B.
  • marking 300 it is also possible to use other means of marking 300 such as an encoder wheel coupled to a device ink jet to trigger a net anchor (indexation of the jet speed, depending on the speed of carton) at the desired periodicity, controlled by the person skilled in the art or the operator.
  • an encoder wheel coupled to a device ink jet to trigger a net anchor (indexation of the jet speed, depending on the speed of carton) at the desired periodicity, controlled by the person skilled in the art or the operator.
  • These detection means 302 are of course chosen in depending on the type of the mark to be detected. They can be constituted by a photoelectric sensor.
  • a detection signal is sent to actuating means (no represented), which then send an actuation signal to the cutting device 9, so that the latter cuts the preform 5 to give a plate.
  • additional means 303 are provided downstream of the marking means 300, preferably in the upstream zone, generally upstream of the forming plate 4.
  • These additional detection means 303 are generally of the same type as the detection means 302, because they must be able to detect the mark 301.
  • Additional means of actuation are then also provided for, after receiving a detection signal from these additional detection means 303, send an actuation signal to a production apparatus an impression or reservation in the preform 5.
  • This additional detection of the mark 301 for the an impression is therefore made before the detection of the mark 301 of step 2) of the process that triggers the cut of the preform 5.
  • FIG. 1 The preferred apparatus for making fingerprints is shown schematically in FIG. 1
  • It has a frame 101 that is H-shaped, but to which the skilled person could easily give many more forms.
  • first two pulleys 102 and 103 On this frame 101 are supported at a first end 104, first two pulleys 102 and 103 and, at one second end 107, two second pulleys 105 and 106.
  • the first pulleys 102,103 are in a first plane, the second 105,106 pulleys in a second plane and the foreground is parallel to the background.
  • the pulley 102 and the pulley 105 are located opposite one another on the other and identical.
  • the pulley 103 and the pulley 106 are also located one opposite each other and identical.
  • the pulleys 102, 103, 105 and 106 can turn on themselves.
  • a first transmission belt 108 surrounds the first pulleys 102,103 and a second belt of transmission 109 surrounds the second pulleys 105,106.
  • the transmission belts 108 and 109 are identical. They are connected to one another by at least one thread 111.
  • This wire 111 is removably attached to the first and second straps 108,109 and it extends between these straps 108,109 so that its longitudinal axis is parallel to the axis of rotation of the pulleys.
  • the pulley 102 drives the transmission belt 108 which itself drives the other pulley located in the same plane it (the pulley 103) as well as the wire 111.
  • the latter is then moves according to the defined trajectory, on the one hand, by the loop constituted by the belt 108 and, on the other hand, as it is connected to the second belt 109, also by the loop constituted by the latter.
  • the symmetry of the apparatus according to the invention thus makes it possible the axis of the wire 111 to move according to an ellipse, its axis remaining constantly parallel to that of the pulleys.
  • the apparatus may also include means for training in rotation of at least one of the pulleys. These means can possibly drive two pulleys by means of the shaft on which they are mounted.
  • the wire 111 generally has a cylindrical shape, but it can take a large number of forms among which we can mention parallelepipedic, prismatic, etc.
  • wires 111 are arranged parallel to each other other, along the transmission belts 108 and 109 (see Figure 3).
  • the pulleys are preferably gear wheels and the transmission belts of chains which can cooperate with these gear wheels.
  • the support member 113 is visible in FIGS.
  • This bore 121 is threaded from so that a screw can be screwed in 122 intended to compress the wire 111 present inside the piercing 118 to hold it firmly (see Figure 4).
  • pin-thread axis 114 is mounted so that that its head 119 is on the inside of the chain, that is to say turned towards the other chain.
  • the support member 113 preferably comprises two couples (bore 118, threaded bore 121), the spacing between the axes holes 118 corresponding to the normal spacing between the axes of the rollers of a chain link 112, so that two son 111 can be maintained on the same link 112, as can be deduced from Figures 6 and 7.
  • the distance between transmission belts of this device is at least equal to the width of the preform 5.
  • these belts and the pulleys are located on each longitudinal side of the preform.
  • the apparatus is arranged appropriately for that when his drive belts are turning, his or her thread (s) 111 creates (s) an impression in the preform 5.
  • the apparatus can be above the preform 5, in this case, it creates the impression 12 or under the preform 5, in which case it creates the imprint 12a visible in FIG.
  • the apparatus according to the invention is above the preform 5.
  • the operation of the motor is adjusted so that the belts move at the same speed as the preform.
  • the imprint position 12 is not directly related to that of a mark 301, so that an imprint 12 can or not be performed on a mark 301.
  • the position of the imprint 12bis is not directly linked to that of a mark 301, so that imprint 12bis may or may not be made under a mark 301.
  • the position of the mark 301 and that of the imprint are advantageously chosen so that the preform 5 is cut at an impression 12.
  • the cutting device can be adjusted to cut the preform away from where was realized this imprint 12bis (that is to say on the other side of the preform).
  • the preform is preferably cut about in the middle of the imprint 12 or 12bis.
  • the means additional actuation are available after receipt of a detection signal from the additional means of detection 303, to send an actuation signal to a slats introduction device under the preform 5.
  • the additional detection means 303 and the means electronic devices therefore make it possible to introduce the batten 6 under the preform 5, after the detection of the mark 301, by sending a actuating signal to slat inserting device 6 under the preform 5.
  • the position of the mark 301 is not directly related to the introduction of the slat 6, so that a slat 6 can or not be introduced just under a mark 301.
  • transverse edges in this presentation we mean the edges perpendicular to direction of movement of the conveyor belt in a line of production of plates based on hydraulic binder. Such transverse edges are also called “slab ends”.
  • a latte 6 is introduced between the preform 5 and the beginning of the carpet 7.
  • the distance between the forming plate 4 and the beginning of the conveyor belt 7 is such that the preform 5 has not yet had the time to substantially harden and present still a great plasticity.
  • the introduction is made from such that the longitudinal axis of the slat 6 is substantially perpendicular to the direction of travel of the carpet carrier 7.
  • the batten 6 is then driven by the conveyor belt 7, just like the preform 5.
  • the hydraulic catch and the hardening of the plaster composition 2 are then carried out throughout the movement of the preform 5, designated by the arrows A.
  • the withdrawal of the batten 6 takes place before the cut of the preform 5.
  • the removal of the slat 6 can be carried out according to any appropriate way. For example, when the length of the batten 6 is greater than the width of the preform 5, the lath 6 protrudes from the preform 5, and then we can withdraw quickly in a direction substantially perpendicular to the direction of movement of the carpet transporter 7 and away from it. This action of removal is illustrated by the arrow B in Figure 1.
  • the removal of the slat 6 can also occur by the fall of this slat 6 in the space between two rollers constituent parts of the conveyor belt system which, in general, is not continuous throughout the production line but is formed by several mats driven by rollers between which there are free spaces.
  • the preform 5 continues to move, still driven by the conveyor belt 7 and the Hardening of the plaster composition 2 continues.
  • the mark 301 is then detected, in the downstream zone of the production line, by the additional means of detection 302 which then trigger the operation of the cutting device 9.
  • the position of mark 301 and that of thinning 8 are advantageously chosen so that the preform 5 cut at the level of thinning 8, preferably about in the middle of this thinning.
  • transverse thinned 10 visible in FIG. lengths are defined by the distance traveled by the carpet carrier between two cutting operations, that is, in general distance traveled by conveyor belt between two consecutive thinning 8. This plate 9bis therefore has two thinned transverse edges 10.
  • each thinning 8 depends on the dimensions of the batten 6.
  • the latter is generally a parallelepiped whose thickness is generally between 0.5 and 4 mm, preferably between 1.5 and 4 mm.
  • Its width is generally between 5 and 20 cm and its length is at least about equal to the width of the preform 5 (possibly decreased by the width of the longitudinal strips "tape" present the case appropriate), but generally superior in order to be able to seize it to remove it from beneath the preform 5.
  • it is desirable that the slat 6 is longer than the width of the preform 5, so as to protrude from to this one, which can facilitate its withdrawal.
  • the constituent material of the slats 6 does not matter, from the moment that it allows these slats to resist the weight of the thickness of preform 5 which is above each slat 6.
  • This can be a plastic material, wood, metal, etc. having good wear resistance and stability in the weather.
  • the method which has just been described comes into complement of a known method of manufacturing plaster having two longitudinal edges thinned. This last generally provides for the establishment of a band, usually plastic material, generally called “tape", on each longitudinal side of the conveyor belt 7.
  • a band usually plastic material, generally called “tape”
  • the length of plasterboard manufactured depends on heard of the speed of movement of the conveyor belt and the frequency of cutting operations.
  • the frequency of cutting operations is generally directly related to the frequency of introduction of the slats because it is generally sought to obtain plates having two edges transverse thinned, and the frequency of introduction of slats is a function of the detection of marks 301 and thus the frequency of marking operations.
  • the method according to the invention comprises both the making a print 12 or 12bis in the preform 5 and the introduction of a slat 6 under the preform 5.
  • the additional means of actuation are therefore suitable, after detecting a mark 301 by the additional means 303, to send an actuation signal to the means for producing the impression 12 or 12bis and a signal actuating device to the lath introducing device 6, in order to to introduce a slat 6 under the preform, to let the grip hydraulically proceed and then remove the slat 6, as explained previously.
  • the steps of introducing a batten 6 under the preform 5, then hydraulic setting of the composition of hydraulic binder and withdrawal of the batten 6 are after the step of producing the impression in the preform 5.
  • impression is preferably made either opposite to where it is intended to introduce slat 6 (impression 12), or where it is intended to introduce this slat 6 (impression 12bis).
  • the production line of binder-based plates hydraulic system according to the invention is preferably a line of production of plates based on hydraulic binder with edges thinned.
  • Such a line may comprise a device introduction of laths and / or means for producing fingerprint.
  • a production line of binder-based plates hydraulic system with thinned edges provided with means or a device for the introduction of slats 23 under the preform 5 goes all first be described in detail with reference to FIGS. and 8 to 15.
  • This device comprises a slatted magazine 20 formed of a horizontal rectangular surface 21 from the corners of which rise vertically and in parallel, four angular pieces 22, angle-shaped and turned one to others, so as to frame a stack of slats 23.
  • this slatted store 20 are such that can store a large number of slats 23 (see also figures 12 and 13).
  • the horizontal surface 21 of the slat magazine 20 is supported by feet 24.
  • first slat 23 At the level of the first slat 23, that is to say located at the bottom of the pile, are arranged parallel two jacks 26, which are oriented so as to extract the first latte 23 of the pile by pushing and sliding towards an inclined plane 27 consisting of an inclined surface 28 down and a rim 29 at its bottom for hold the latte that has just been extracted and guide it later.
  • a jack 31 is arranged parallel to the longitudinal axis of the plane inclined 27, so that the actuation of this cylinder 31 can give an impetus to the batten that has just been extracted from the slatted magazine 20.
  • the slat thus propelled can then move by sliding parallel to the axis longitudinal plane inclined plane 27, whose rim 29 guides it, towards a second inclined plane 32 which prolongs the foreground inclined 27, the transverse side opposite the side 30.
  • This second inclined plane 32 is also constituted of an inclined surface 33 provided with a rim 34 at its bottom. It includes in in addition to a stop 35 at its end opposite the cylinder 31, this stop being generally constituted by a shock absorber pneumatic and being intended to put an end to the displacement of the batten propelled by the jack 31.
  • the flange 34 is provided with openings 36 in front of which there are two cylinders 37 oriented so as to propel the batten positioned on the second inclined plane 32 upwards of the inclined surface 33.
  • the first inclined plane 27 and the second inclined plane 32 are supported by feet, respectively, 38 and 39.
  • a surface plane 40 is provided parallel to the surface 23, between this last and the first inclined plane 27 to support horizontally a slat extracted from the slat warehouse 20 before its descent on the inclined surface 28 of the first inclined plane 27.
  • the height feet 24, 35 and 36 are chosen such that a slat positioned on the second inclined plane 32 is at a lower height than that of the preform 5.
  • the length of the second inclined plane 32 is at least equal to that of latte 23, that is to say at least equal, and of preferably greater than the width of the preform 5.
  • the difference between the length of the slat and the width of the preform 5 makes it possible to grasp the slat and remove it times the composition of hardened plaster.
  • the production line according to the invention comprises usually electronic means that control his functioning and allow, where appropriate, to enslave they implement different operations.
  • the electronic means are able to send an actuation signal to the device slats 23, after the reception of a signal of detection from additional means of detection 303.
  • the frequency of the introduction of slats under the preform is determined by the frequency of achievement of marks 301 on the facing material 3 of the preform 5.
  • FIG. 16 represents the upstream zone of such a line comprising a variant of the apparatus for carrying out fingerprints, which we see in profile on this figure.
  • the apparatus comprises four first gears 201,202,203,204 supported by a frame 205 and surrounded by a chain 206 constituted by links, of which some, the links 207, each support 2 wires, from the as indicated in connection with FIG.
  • This device is symmetrical with respect to a vertical plane aligned with the direction of movement of the preform 5.
  • the threads held by the links 207 extend transversely to the preform 5 to a second chain, identical to the chain 206, and which surrounds second gear wheels identical to the first gear wheels 201,202,203,204.
  • the apparatus is provided with an electric motor 209 driving in rotation through a belt 211 the shaft 210 on which are mounted the wheel 203 and its symmetrical wheel.
  • the rotation of these wheels causes that of the chain 206 in the direction indicated by the arrow D.
  • This preform 5 is obtained in a known manner by introduction of the hydraulic binder paste according to the arrow E between the first cladding material 2 and the second material facing 3 and passing the set between the trays upper 214 and lower 215 forming the apparatus.
  • the distance between the gears 201,202,203,204 and their symmetrical wheels is at least equal to that of the preform 5 so that these gear wheels do not touch this preform 5.
  • the apparatus according to the invention is fixed at a height appropriate for the operation of the production, the displacement of the chain 206 resulting in that wires connected to the links 207, these wires pass through the forming plate, that is between trays 214 and 215 and protrude downwards relative to the upper plate 214.
  • the space occupied by these wires between the upper plate 114 and the second cladding material 3 is then translated there by a thinning of the thickness of the preform 5.
  • the electronic means of the production line are able to send a signal to this device, so that it performs every imprint after receiving a detection signal from additional detection means 303.
  • the means for producing impressions cooperate with the slats introduction device under the preform 5 (consisting of the means 20 to 22 and 24 to 39 described above in connection with Figures 11 to 15).
  • the additional means of actuation are therefore suitable, after detecting a mark 301 by the additional means 303, to send an actuation signal to the means for producing the impression 12 or 12bis and a signal actuating device to the lath introducing device 6.
  • the device is preferably used which has just been described with reference to Figure 3 and, more preferentially, the variant described with reference to Figure 16.
  • This variant is then advantageously arranged upstream slats introduction device.
  • the electronic means then preferably calculate the precise moment at which they must send signals actuating device to the fingerprinting apparatus and slats introduction device, so as to synchronize their operations, so that the lath is introduced into a footprint 12bis on the underside of the preform 5, or, if the imprint 12 is on the face top of the preform 5, substantially the opposite of this footprint 12.
  • the introduction of slats 23 under the preform 5 is operated in part by the apparatus for producing impressions.
  • this mechanical link between the apparatus of fingerprinting and the device of introduction of slats may be replaced by a combination apparatus combining both ways of making prints and means slat introduction.
  • the chain 206 is then provided with a thrust pin 216 which is fixed on the outer side of the chain 206, that is to say the opposite of the one where the threads are.
  • This finger of thrust 216 has the function of striking and moving the pusher 217 when rotating the chain 206. It can be fixed on a link of the chain 206 for example instead of an axis roller carrier of this link.
  • a pusher 217 The shape of a pusher 217 is more visible in the figures 17 and 18.
  • This pusher comprises an elongated portion in the form of Rule 218 provided at one end with a shaped part right triangle 219 crossed by an axis 220 which protrudes two sides of the 219 part. The top of the right triangle is cut to give a face 221 parallel to the axis of the rule-shaped portion 218.
  • the pusher 217 can occupy two positions. In its initial position (shown in dashed lines), it rests on the plateau 215 and is turned towards the ground, so that its axis 220 is arranged transversely to the preform 5 and its face 221 is found at the lower part of the inclined surface 33, in the opening 36 of the rim 34.
  • the pushing finger 216 on the chain 206 is at a distance of distance, compared to the wires held by the links 207, such that the slat 23 is introduced substantially the opposite of the place of the preform 5 where said wires come from form the imprint. This has the consequence that the displacement of material caused by the introduction of lath 23 is at less partially offset by the footprint. It follows that the preform does not present a hump at the opposite place to that where the slat 23 was introduced. This means that after withdrawal of this slat 23, the thinning obtained on the below the preform 5 does not fit any bump on the above the preform 5.
  • the pusher 217 moved by the pushing finger 216 arrives in a second position by finishing his race in a receptacle, visible in Figures 17 and 18, and which is formed by two arched pieces 222 fixed by their ends on either side of the outer end 225 of the rod 223 of a cylinder 224.
  • Each side of the axis 220 of the pusher 217 is received in an arcuate part 222 and the parts 219 and 218 of the pusher 217 can be inserted into the space formed between the arcuate pieces 222, under the rod 223 of the jack 224.
  • the rod 223 of the jack 224 is output, to receive the pusher 217.
  • the dimensions of the pusher 217 are chosen so that it stays above the surface inclined 33.
  • the jack 224 can be fixed to the frame 205 of the apparatus, its location and its dimensions being determined on the basis of pusher 217 with which it must cooperate.
  • the cylinder 224 therefore has function to return the pusher 217 to its position initial. Its rod 223 is normally in the extended position, in waiting to receive the pusher 217.
  • each of the chains being provided with a finger of thrust 216 cooperating each with a jack 224, and this, synchronized way.
  • Electronic and pneumatic means (or possibly hydraulic) of the production line pilot the operation of the fingerprinting apparatus and the slats introduction device under the preform (consisting of the means 20 to 22 and 24 to 39 described above), so that once the pusher 117 returned to its position initial and the rod 223 of the cylinder 224 again output, a new slat 23 can be slid on the inclined plane 33.
  • the actuation of the jack 224 is determined by detection for example, by means of a sensor photoelectric, the passage of a pin or finger attached to a appropriate place on the channel 206, for example of the same way that the pushing finger 216, this ergot playing the role flag, that is to say that when detected by the photoelectric sensor arranged at a suitable place in the production line or appliance, electronic means control the return of the rod 223 of the jack 224 in the body of the cylinder, this return causing, as explained above, the return of the pusher 217 to its initial position. Sensors from limit switch of the cylinder 224, can then, once the rod 223 back, cause a new actuation of the cylinder 224 for take out its rod 223, which causes the pusher 217 to fall into its initial position.
  • the frame 205 of the apparatus can, as is apparent from the Figure 16, to be attached to the trays 214 and 215. It follows that the device can be used instead of a flat forming or a master roll that we use conventionally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Making Paper Articles (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Control Of Cutting Processes (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP04027078.7A 2002-02-26 2003-02-25 Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen Expired - Lifetime EP1510316B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04027078.7A EP1510316B1 (de) 2002-02-26 2003-02-25 Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP02290462A EP1338393A1 (de) 2002-02-26 2002-02-26 Vorrichtung zum Prägen von Vorformlingen aus hydraulischem Bindemittel sowie Herstellverfahren und Fertigungsstrasse zur Herstellung von Platten aus hydraulischem Bindemittel
EP02290462 2002-02-26
EP02291132.5A EP1361030B1 (de) 2002-05-06 2002-05-06 Verfahren zum Herstellen von Platten aus hydraulischem Bindemittel sowie Fertigungsstrasse zur Herstellung derartiger Platten
EP02291132 2002-05-06
EP04027078.7A EP1510316B1 (de) 2002-02-26 2003-02-25 Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen
EP03732623.8A EP1480800B1 (de) 2002-02-26 2003-02-25 Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen

Related Parent Applications (2)

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EP03732623.8A Division EP1480800B1 (de) 2002-02-26 2003-02-25 Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen
EP03732623.8A Division-Into EP1480800B1 (de) 2002-02-26 2003-02-25 Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen

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EP1510316A2 true EP1510316A2 (de) 2005-03-02
EP1510316A3 EP1510316A3 (de) 2007-01-10
EP1510316B1 EP1510316B1 (de) 2016-12-07

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EP03732623.8A Expired - Lifetime EP1480800B1 (de) 2002-02-26 2003-02-25 Verfahren zum herstellen von platten aus hydraulischem bindemittel, fertigungsstrasse zur herstellung derartiger platten und vorrichtung zum prägen

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EP (2) EP1510316B1 (de)
JP (2) JP2005525243A (de)
KR (2) KR20040093071A (de)
CN (1) CN100411839C (de)
AR (1) AR038609A1 (de)
BR (1) BRPI0308074B1 (de)
CA (1) CA2476497C (de)
CO (1) CO5601040A2 (de)
DK (2) DK1510316T3 (de)
ES (2) ES2549680T3 (de)
IL (4) IL163517A0 (de)
MX (1) MXPA04008186A (de)
NO (1) NO20044058L (de)
NZ (2) NZ534531A (de)
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FR2838370B1 (fr) 2002-04-10 2004-05-28 Lafarge Platres Procede de fabrication de plaques de platre a quatre bords amincis
FR2839275B1 (fr) 2002-05-02 2004-06-04 Lafarge Platres Procede et dispositif pour fabriquer des plaques de platre presentant quatre bords amincis
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Also Published As

Publication number Publication date
WO2003072326A3 (fr) 2004-03-04
DK1480800T3 (en) 2015-10-19
NZ552217A (en) 2008-07-31
NZ534531A (en) 2007-05-31
MXPA04008186A (es) 2004-11-26
CN100411839C (zh) 2008-08-20
BRPI0308074B1 (pt) 2016-12-27
ZA200406341B (en) 2005-04-26
PL202026B1 (pl) 2009-05-29
EP1510316B1 (de) 2016-12-07
ES2549680T3 (es) 2015-10-30
KR20090089479A (ko) 2009-08-21
EP1480800A2 (de) 2004-12-01
AU2003239650A1 (en) 2003-09-09
AR038609A1 (es) 2005-01-19
JP2005525243A (ja) 2005-08-25
US7790090B2 (en) 2010-09-07
IL179895A0 (en) 2007-05-15
US7651327B2 (en) 2010-01-26
RU2313452C2 (ru) 2007-12-27
RU2004128450A (ru) 2005-08-10
EP1510316A3 (de) 2007-01-10
CA2476497A1 (en) 2003-09-04
EP1480800B1 (de) 2015-07-08
IL179895A (en) 2010-12-30
KR100960605B1 (ko) 2010-06-07
CA2476497C (en) 2011-04-19
US20050127545A1 (en) 2005-06-16
CN1638930A (zh) 2005-07-13
CO5601040A2 (es) 2006-01-31
PL370532A1 (en) 2005-05-30
DK1510316T3 (en) 2017-03-13
NO20044058L (no) 2004-09-24
US20050139052A1 (en) 2005-06-30
IL163517A0 (en) 2005-12-18
KR20040093071A (ko) 2004-11-04
BR0308074A (pt) 2004-12-07
IL163517A (en) 2007-03-08
JP2009113497A (ja) 2009-05-28
ES2618522T3 (es) 2017-06-21
WO2003072326A2 (fr) 2003-09-04

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