EP1112827A1 - Anlage und mit auswechselbaren Bodenplatten Formen zum Herstellen von Steinformlingen - Google Patents

Anlage und mit auswechselbaren Bodenplatten Formen zum Herstellen von Steinformlingen Download PDF

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Publication number
EP1112827A1
EP1112827A1 EP99830810A EP99830810A EP1112827A1 EP 1112827 A1 EP1112827 A1 EP 1112827A1 EP 99830810 A EP99830810 A EP 99830810A EP 99830810 A EP99830810 A EP 99830810A EP 1112827 A1 EP1112827 A1 EP 1112827A1
Authority
EP
European Patent Office
Prior art keywords
bottom plate
moulds
support
machine
connecting means
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
EP99830810A
Other languages
English (en)
French (fr)
Other versions
EP1112827B1 (de
Inventor
Marco Antonelli
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.)
Industrie Pica SpA
Original Assignee
Industrie Pica SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industrie Pica SpA filed Critical Industrie Pica SpA
Priority to DE69915319T priority Critical patent/DE69915319T2/de
Priority to AT99830810T priority patent/ATE260742T1/de
Priority to EP99830810A priority patent/EP1112827B1/de
Priority to PT99830810T priority patent/PT1112827E/pt
Priority to DK99830810T priority patent/DK1112827T3/da
Priority to ES99830810T priority patent/ES2217732T3/es
Publication of EP1112827A1 publication Critical patent/EP1112827A1/de
Application granted granted Critical
Publication of EP1112827B1 publication Critical patent/EP1112827B1/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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • 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
    • B28B5/021—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 the shaped articles being of definite length
    • B28B5/022—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 the shaped articles being of definite length the moulds or the moulding surfaces being individual independant units and being discontinuously fed

Definitions

  • the present invention relates to a machine with moulds with interchangeable bottoms to form from a mixture bricks still to be baked of different shapes and sizes, in particular to be used in floors.
  • machines for forming from a mixture bricks still to be baked, wherein a chain conveyor transports moulds which are filled with a mixture drawn from a tank positioned above the conveyor. The mixture is pressed and trimmed to form the brick and subsequently, either by effect of the motion of the conveyor or by suitable means, the moulds are upset to release the bricks still to be baked on appropriate discharging means.
  • the moulds are provided with movable bottoms which, once the mould has been upset, are made to translate by means of corresponding ejectors activated by suitable actuators.
  • Each movable bottom comprises a support engaged to the corresponding ejector and a plate constituting the bottom of the mould.
  • the plates are usually secured to the corresponding supports by means of through screws, which are introduced into the plate from the side of the cavity of the mould. These screws are generally used also to maintain fastened to the plate a possible coating made of plastic material or rubber which is an integral part of the plate itself.
  • the presence of the heads of the screws or of any stoppers used to cover them causes prints on the surface of the brick in contact with the plate.
  • the bricks thus obtained must be oriented by the layer in such a way as to hide the prints from view, so as not to create heavily anti-aesthetic visual effects.
  • This operation in addition to extending the time required for laying, is not simple, since frequently the prints are clearly visible only under certain lighting conditions and under a certain sight angle. Therefore, their presence is often realised only after the laying of the pavement.
  • the aim of the present invention is to overcome the drawbacks described above, making available a machine with moulds having interchangeable bottom for forming from a mixture bricks still to be baked which allows to obtain bricks that do not present prints, marks, traces or irregularities on any face.
  • Another aim of the present invention is to make available a machine with moulds having interchangeable bottoms for forming from a mixture bricks still to be baked which allows the rapid replacement of the bottom plates of the moulds.
  • a further aim of the present invention is to make available a machine having moulds with interchangeable bottom for forming from a mixture bricks still to be baked which allows simultaneously to produce bricks with different shapes and/or sizes.
  • the machine with moulds having interchangeable bottom for forming from a mixture bricks still to be baked comprises a continuous chain conveyor 1, which transports moulds 2 for forming the bricks.
  • a tank 3 for the mixture is positioned above the conveyor 1 and means 4 are provided for carrying the mixture from the tank 3 to the moulds 2 and for filling them.
  • Means for pressing and trimming the mixture in the moulds 2, not shown in the figures, cooperate with the moulds 2 in forming the bricks.
  • Downstream of the means for pressing and trimming the mixture, along the motion of the conveyor 1, means 5 are situated for offloading the bricks still to be cooked released by the moulds 2.
  • a distribution station 50 lays onto chain units 29 flat trays 51 which fully cover the moulds 2 themselves.
  • a holding belt 52 maintains the flat trays 51 against the moulds 2 when, by effect of the motion of the conveyor 1, the moulds 2 are upset.
  • a first conveyor belt 53 receives the flat trays 51 which carry the bricks released by the upset moulds 2.
  • the moulds 2 are provided with movable bottoms 6, with corresponding ejectors 7 and with corresponding means 8 for actuating the ejectors 7, for displacing the movable bottoms 6 and for favouring the detachment and the release of the bricks from the moulds 2 in correspondence with the first conveyor belt 53.
  • each ejector 7 is a bar engaged to the movable bottom 6 and maintained normally in contact on the bottom 70 of the chain unit 29 by a spring 71.
  • the actuator means 8 comprise a bar 81, positioned transversely to the conveyor 1. Through appropriate means, not shown in the figures and positioned in correspondence with the first conveyor belt 53 and downstream of the holding belt 52, the bar 81 is made to translate and checks all the ejectors 7 corresponding to the chain unit 29, compressing the springs 71 and causing the displacement of the movable bottom 6. In this way the release of the bricks from the moulds 2 is caused.
  • each movable bottom 6 comprises a support 9 engaged to the corresponding ejector 7 and a bottom plate 10 removable from the support 9. Connecting means are also present between the bottom plate 10 and the support 9.
  • the connecting means comprise a first part 12 integrally connected with the support 9 and a corresponding second part 13 integrally engaged in a non-through manner to the bottom plate 10 on the side 14 oriented towards the support 9. In this way, the upper surface 15 of the bottom plate 10 in contact with the mixture does not present prints, marks, traces or irregularities due to the presence of the connecting means.
  • the first and the second part 12, 13 of the connecting means interact by means of at least an axial coupling and at least an elastic constraint substantially transverse to the axial coupling. This allows the rapid, stable fastening of the connecting means by simple pressure of the bottom plate 10 on the support 9.
  • the first part 12 of the connecting means comprises at least an appropriate body 16 integral with the support 9 and the second part 13 comprises at least a protuberance 17.
  • the protuberance 17 is able to be inserted in a corresponding seat 18 obtained in the body 16.
  • Elastic means 19 for geometric interference between the protuberance 17 and the body 16 make stable the connection between the bottom plate 10 and the support 9.
  • the body 16 can be integrated in a single piece with the support 9 (for instance by machining from a single block of material or by moulding or casting), or can be associated to the support 9 after being previously machined and shaped.
  • the direction of coupling is perpendicular to the bottom plate 10 and two bodies 16 are provided, positioned on opposite ends with respect to the ejector 7, two corresponding protuberances 17 and two corresponding elastic means of geometric interference 19.
  • the protuberance 17 can be obtained by means of an elastically deformable foil, engaged in correspondence with an edge of the bottom plate and presenting, at the free extremity, a substantially bulb-shaped bulge.
  • This bulge may be able to be inserted into a cavity obtained laterally on the body 16, in turn positioned in correspondence with an edge of the support 9, said cavity constituting the seat 18.
  • the elastic means of geometric interference between the protuberance 17 and the body 16 are thus integrated in the protuberance 17.
  • the protuberance 17 can be obtained by means of a shaped pin, welded or screwed onto the bottom plate 10 and presenting a free extremity.
  • the elastic means of geometric interference between the protuberance 17 and the body 16 can be associated to said free extremity and cause it to bulge.
  • the seat 18 can correspondingly be obtained by means of a cavity having a narrow entrance which introduces into a larger compartment.
  • the elastic means of interference by their contraction, allow the insertion of the pin into the entrance of the cavity constituting the seat 18 and, once introduced into the larger compartment, their elastic return causes the locking of the bottom plate 10 on the support 9.
  • the protuberance 17 is obtained with a shaped pin, engaged to the bottom plate 10 by means of a screw-nutscrew coupling which involves only partially the thickness of the bottom plate 10 itself.
  • the shaped pin can be inserted into the seat 18 by means of a hole obtained on the body 16.
  • the elastic means 19 of geometric interference comprise a grub screw 190, whereto is associated a spring 191.
  • a ball 192 is trapped at the extremity of the spring 191 opposite relative to the grub screw 190.
  • the grub screw 190 is engageable in a corresponding nutscrew obtained on the walls of a first hole 193 obtained on a side of the body 16.
  • the first hole 193 allows the insertion of the ball 192 and of the spring 191 inside the seat 18 in a direction transverse to the development of the seat 18 itself.
  • the shaped pin presents a radial groove 171 to receive the interference by the ball 192 and determine the stable coupling of the bottom plate 10 to the support 9.
  • the body 16 is located on the side of the support 9 oriented opposite the bottom plate 10 and the seat 18 is accessible to the protuberance 17 by means of a corresponding first opening 20 obtained on the side of the support 9 oriented towards the bottom plate 10.
  • the body 16 has a predetermined thickness and defines a reference for the movable bottom 6, to determine the depth of the mould 2. This reference can be obtained on any corresponding part of the chain unit 29.
  • a further reference element 21 for the movable bottom 6 to determine the thickness of the mould 2.
  • the reference element 21 can be integrated in a single piece together with the support 9 and to the body 16 (for example by machining from a single block of material of by moulding or casting), or can be engaged to the body 16, to the support 9 or to both, after having previously been machined and shaped.
  • the support 9 presents at least a through hole 23, to allow the rapid uncoupling of the connecting means and the removal of the bottom plate 10 by simple pressure on the bottom plate 10.
  • Figure 2 shows a pair of through holes 23, situated at opposite ends relative to the ejector 7.
  • the bottom plate 10 presents a larger surface 101 than the corresponding surface of the support 9, to allow the rapid uncoupling of the connecting means and the removal of the bottom plate 10 by simple pressure on the bottom plate 10, for instance in the points indicated as 102 and 103 in Figure 2.
  • the seat 18 is accessible also through a corresponding second opening 22 obtained on the side of the support 9 oriented opposite the bottom plate 10. This allows the rapid uncoupling of the connecting means and the removal of the bottom plate 10 by simple pressure on the plate 10 by means of the protuberance 17.
  • the uncoupling of the connecting means can be obtained by imparting pressure on the bottom plate 10 manually, for instance through the use of an appropriate tool which can be inserted in the through hole 23 or in the second opening 22 providing access to the seat 18, or which can be pressed on the side 14 of the bottom plate 10 in correspondence with one of the points 102, 103.
  • presser means 24 are provided for pressing the bottom plate 10 for the automatic rapid uncoupling of the connecting means and the releasing of the bottom plate 10.
  • the presser means 24 comprise at least an actuator 241 which commands the actuation of at least a support element 25 in such a way as to make it movable in substantially vertical direction and at least a punch 26 removably engaged to the support element 25, as Figure 1 clearly shows in schematic fashion.
  • each chain unit 29 comprises at least two moulds 2 set mutually side by side and transversely to the motion of the chain conveyor 1.
  • each chain unit comprises twelve moulds.
  • the support element 25 conveniently develops (perpendicularly to the plane of Figure 1) over the entire dimension of the chain unit 29 transverse to the motion of the conveyor 1.
  • the punches 26 are removably engaged to the support element 25 in correspondence with the moulds 2 involved with the change of the bottom plate 10 and according to the number and position of said moulds on the chain unit 29.
  • the punches 26 can be positioned and dimensioned in such a way as to act on the bottom plate 10 in correspondence with the points 102, 103 of the side 14 of the bottom plate 10.
  • the punches 26 can be positioned and dimensioned in such a way as to be inserted into the through holes 23.
  • the punches 26 can be dimensioned and positioned in such a way as to be inserted into the second opening 22 and to press onto the bottom plate 10 acting on the protuberance 17.
  • the presser means 24 are supported by elements not shown in the figure for the sake of greater clarity and are preferably situated along the segment of conveyor 1 which presents the upset moulds 2. In this way, after being released, the bottom plates 10 fall by gravity with their upper surface 15 oriented downward.
  • the machine of the present invention comprises also a station 27 for the collection and conveyance of the released bottom plate 10.
  • This station is situated in correspondence with the presser means 24 and, purely by way of example, comprises a second conveyor belt 271 (which in Figure 1 develops perpendicularly to the plane of the figure).
  • the presser means 24 and the station 27 for collecting and conveying the bottom plates 10 are activated when the bottom plates 10 need to be replaced rapidly. Following the motion of the conveyor 1, the individual chain units 29 come in succession under the presser means 24, which cause the uncoupling of the corresponding bottom plates 10 and their fall onto the second conveyor belt 271.
  • the bottom plate 10 presents its surface 101 at least as ample as the corresponding surface of the support 9, so that the replacement of the bottom plate 10 with a plate 10 having different shape or dimensions does not leave uncovered portions of the support 9.
  • the lateral walls 28 of the moulds 2 are conformal to the shape of the corresponding bottom plate 10.
  • each chain unit 29 comprises at least a first and a second portion 30,31 removably connected to each other.
  • the first portion 30 is connected to the conveyor 1 and comprises the movable bottoms 6, whereas the second portion 31 comprises the lateral walls 28 of the moulds 2 and is divided into at least a first and a second segment 311,312 mutually separable and each comprising at least the walls of a mould 2.
  • a third segment 313 is provided.
  • the first, second and third segment 311, 312, 313 group each respectively four of the twelve moulds 2 comprised in the chain unit 29.
  • the segments 311, 312, 313 can be inserted in appropriate lateral guides 300 obtained in the first portion 30 of the chain unit 29 and can be engaged thereto, for instance by means of screws or pins.
  • At least the bottom plates 10 of the moulds 2 corresponding to the first segment 311 have different shape from the bottom plates 10 of the moulds 2 corresponding to the second segment 312.
  • At least the bottom plates of the moulds 2 corresponding to the first segment 311 have different dimensions from the bottom plates 10 of the moulds 2 corresponding to the second segment 312. 2.
  • the moulds 2 corresponding to the first segment 311 have different shape from those corresponding to the second segment 312, which in turn can have different dimensions or shape from the moulds 2 corresponding to the third segment 313.
  • each individual chain unit 29 can carry, interchangeably, groups of moulds 2 of mutually different shapes and/or dimensions, and it can advantageously be provided for all the first segments 311 and the corresponding bottom plates 10 present on the conveyor 1 to be identical to each other, for all the second segments 312 and the corresponding bottom plates 10 present on the conveyor 1 to be identical to each other and for the third segments 313 and the corresponding bottom plates 10 present on the conveyor 1 to be identical to each other. In this way, the parallel production of bricks having different shapes is obtained.
  • the invention achieves important advantages.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Mold Materials And Core Materials (AREA)
  • Table Equipment (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
EP99830810A 1999-12-29 1999-12-29 Anlage und mit auswechselbaren Bodenplatten Formen zum Herstellen von Steinformlingen Expired - Lifetime EP1112827B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE69915319T DE69915319T2 (de) 1999-12-29 1999-12-29 Anlage mit formen mit auswechselbaren bodenplatten zum herstellen von steinformlingen
AT99830810T ATE260742T1 (de) 1999-12-29 1999-12-29 Anlage und mit auswechselbaren bodenplatten formen zum herstellen von steinformlingen
EP99830810A EP1112827B1 (de) 1999-12-29 1999-12-29 Anlage und mit auswechselbaren Bodenplatten Formen zum Herstellen von Steinformlingen
PT99830810T PT1112827E (pt) 1999-12-29 1999-12-29 Maquina com moldes com fundos intermutaveis para formacao de ladrilhes a serem ainda cozidos a partir de uma mistura
DK99830810T DK1112827T3 (da) 1999-12-29 1999-12-29 Maskine og forme med udskiftelige bunde til formning af ubrændte sten
ES99830810T ES2217732T3 (es) 1999-12-29 1999-12-29 Maquina y moldes con fondos intercambiables para formar ladrillos para cocer.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99830810A EP1112827B1 (de) 1999-12-29 1999-12-29 Anlage und mit auswechselbaren Bodenplatten Formen zum Herstellen von Steinformlingen

Publications (2)

Publication Number Publication Date
EP1112827A1 true EP1112827A1 (de) 2001-07-04
EP1112827B1 EP1112827B1 (de) 2004-03-03

Family

ID=8243732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99830810A Expired - Lifetime EP1112827B1 (de) 1999-12-29 1999-12-29 Anlage und mit auswechselbaren Bodenplatten Formen zum Herstellen von Steinformlingen

Country Status (6)

Country Link
EP (1) EP1112827B1 (de)
AT (1) ATE260742T1 (de)
DE (1) DE69915319T2 (de)
DK (1) DK1112827T3 (de)
ES (1) ES2217732T3 (de)
PT (1) PT1112827E (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1122046B1 (de) * 2000-02-02 2004-11-03 Beheermaatschappij De Boer Nijmegen B.V. Formbehälter mit einem auswechselbaren Formbehälterteil
NL1034930C2 (nl) * 2008-01-18 2009-07-21 Beheermij De Boer Nijmegen Bv Inrichting met verbeterde stempelinrichting en werkwijzen daarvoor.
NL2017672B1 (nl) * 2016-10-25 2018-05-04 Beheermaatschappij De Boer Nijmegen B V Inrichting met verbeterde uitstoters en werkwijze daarvoor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114939922B (zh) * 2022-04-11 2024-05-24 郑州通达耐材有限责任公司 一种耐火材料成型工艺、系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915161A1 (de) * 1979-04-12 1980-10-30 Ta Ro Di Tagliati Rodolfo Sass Keramikform
FR2565155A1 (fr) * 1984-05-30 1985-12-06 Gambini Romain Dispositif pour le moulage et le demoulage rapide d'agglomeres
WO1994013447A1 (en) * 1992-12-07 1994-06-23 Kun Hee Suh Continuous building materials moulding device
DE19506614A1 (de) * 1995-02-24 1996-09-05 Hiesl Gerhard Ing Grad Verfahren und Befestigungsmittel zur Montage von Druckplatten an Betonsteinefertigungseinrichtungen, insbesondere an Auflasten, sowie die Herstellung von Formen im Baukastenprinzip
EP0917938A1 (de) * 1997-11-21 1999-05-26 Beheermaatschappij De Boer Nijmegen B.V. Vorrichtung zur Herstellung von Steinformlingen für die Ziegelindustrie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915161A1 (de) * 1979-04-12 1980-10-30 Ta Ro Di Tagliati Rodolfo Sass Keramikform
FR2565155A1 (fr) * 1984-05-30 1985-12-06 Gambini Romain Dispositif pour le moulage et le demoulage rapide d'agglomeres
WO1994013447A1 (en) * 1992-12-07 1994-06-23 Kun Hee Suh Continuous building materials moulding device
DE19506614A1 (de) * 1995-02-24 1996-09-05 Hiesl Gerhard Ing Grad Verfahren und Befestigungsmittel zur Montage von Druckplatten an Betonsteinefertigungseinrichtungen, insbesondere an Auflasten, sowie die Herstellung von Formen im Baukastenprinzip
EP0917938A1 (de) * 1997-11-21 1999-05-26 Beheermaatschappij De Boer Nijmegen B.V. Vorrichtung zur Herstellung von Steinformlingen für die Ziegelindustrie

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1122046B1 (de) * 2000-02-02 2004-11-03 Beheermaatschappij De Boer Nijmegen B.V. Formbehälter mit einem auswechselbaren Formbehälterteil
NL1034930C2 (nl) * 2008-01-18 2009-07-21 Beheermij De Boer Nijmegen Bv Inrichting met verbeterde stempelinrichting en werkwijzen daarvoor.
WO2009091244A1 (en) * 2008-01-18 2009-07-23 Beheermaatschappij De Boer Nijmegen B.V. Device with improved ejecting device and methods therefor
EP2087977A2 (de) * 2008-01-18 2009-08-12 Beheermaatschappij De Boer Nijmegen B.V. Vorrichtung mit verbessertem Formhohlraum und damit ausgerüsteter Behälterteil
EP2087977A3 (de) * 2008-01-18 2009-11-18 Beheermaatschappij De Boer Nijmegen B.V. Vorrichtung mit verbessertem Formhohlraum und damit ausgerüsteter Behälterteil
NL2017672B1 (nl) * 2016-10-25 2018-05-04 Beheermaatschappij De Boer Nijmegen B V Inrichting met verbeterde uitstoters en werkwijze daarvoor
EP3321052A1 (de) * 2016-10-25 2018-05-16 Beheermaatschappij De Boer Nijmegen B.V. Vorrichtung mit verbesserten auswerfern und verfahren dafür

Also Published As

Publication number Publication date
DE69915319T2 (de) 2005-03-17
PT1112827E (pt) 2004-07-30
ATE260742T1 (de) 2004-03-15
DE69915319D1 (de) 2004-04-08
EP1112827B1 (de) 2004-03-03
DK1112827T3 (da) 2004-07-05
ES2217732T3 (es) 2004-11-01

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