EP0037614A1 - Machine pour façonner des éléments pour toitures en béton par extrusion - Google Patents

Machine pour façonner des éléments pour toitures en béton par extrusion Download PDF

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Publication number
EP0037614A1
EP0037614A1 EP81200376A EP81200376A EP0037614A1 EP 0037614 A1 EP0037614 A1 EP 0037614A1 EP 81200376 A EP81200376 A EP 81200376A EP 81200376 A EP81200376 A EP 81200376A EP 0037614 A1 EP0037614 A1 EP 0037614A1
Authority
EP
European Patent Office
Prior art keywords
shaping
frame
stationary frame
transverse
machine according
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
EP81200376A
Other languages
German (de)
English (en)
Other versions
EP0037614B1 (fr
Inventor
Jan Arie Van Der Pol
Hendricus W. Van De Boogaard
Jean Adrien Monod De Froideville
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.)
Braas GmbH
Redland-Braas-Bredero Europa (rbb) Bv
Original Assignee
Braas GmbH
Redland-Braas-Bredero Europa (rbb) Bv
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 Braas GmbH, Redland-Braas-Bredero Europa (rbb) Bv filed Critical Braas GmbH
Priority to AT81200376T priority Critical patent/ATE3383T1/de
Publication of EP0037614A1 publication Critical patent/EP0037614A1/fr
Application granted granted Critical
Publication of EP0037614B1 publication Critical patent/EP0037614B1/fr
Expired 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces

Definitions

  • Machine for shaping roofing means out of concrete by extrusion in which each roofing means at one end is provided with an integral flange portion that is substantially perpendicular to the main direction of the roofing means and in which metal under-moulds are used each comprising a main portion shaping the lower side of the roofing means, a transverse portion at one end of said main portion shaping the innerside of said flange portion and a flange at the lower end of said transvere portion shaping the lower part of said flange portion.
  • a machine used therefore comprises in general a horizontally extending conveyor track, in which under-moulds, so-called pallets, linked one behind the other are moved along with the aid/conveyor chains or such.
  • a shaing box is mounted with the reservoir for mortar, a mixing roller, a shaing roller and a doctor plate. This doctor plate together with the shaping roller takes care of the shaping of the upper face of the tiles.
  • the lower side of the tiles indeed have projections in cross-direction, such as suspension bosses. These bosses are molded by appropriate recesses in the under-moulds. These projections only have a restricted height and do not give difficulties.
  • roofing means in the shape of the gable tiles, these are tiles with a flange at one of its longitudinal sides,thus extending in/extrusion direction, can be made in a satisfactory way it is not possible to shape with the aid of such a device roofing means having a flange transverse to the extrusion direction.
  • roofing means are chaperon tiles, under-tiles, first ridge tiles and end ridge tiles.
  • roofing means with a flange along a longitudinal side and a flange along the upper or lower side, in fact in combination of gable tiles and chperon tiles or under-tiles.
  • Chaperon tiles so tiles with a flange along the upper side, are used to finish pent-roofs that are applied more and more.
  • roofing means provided with a transverse flange cannot be shaped by the normal continuously working machine because of the fact that the filling and the compacting of the mortar into the moulding cavity, delimiting the transverse flange, is not satisfactory.
  • the main reason is that the moving pallet cannot be supported in a sufficient exact manner with regard to the transverse wall, that delimites the outer side of the flange portion and cannot be integral with the pallet. If this would be the case then the shaped roofing means cannot be released from the pallet.
  • roofing means manually with flange portions of course indeed with mechanical auxiliary means. It will be clear that the shaping of roofing means is very labour intensive and therefore expensive and that moreover the quality depends strongly on the attention and skil of the labourer.
  • the invention aims to provide a machine with the aid of which roofing means with flange portions can be shaped mechanically.
  • the objections of the manual shaping method are removed according to which in a manual the shaping cavity for the flange portion has to be filled and compacted.
  • the machine according to the invention is characterized in that the machine comprises a horizontal oblong stationary frame and in it in series a number of stations for shaping at a time onr roofing means, each station comprises side walls and transverse walls in which an under-mould can be fitted and comprises supports for supporting the undermould in vertical direction in such a manner that the shaping cavity for the flange portion is defined by the innerside of a transverse wall of the staion in said frame, the outerside of the transverse portion of the undermould and the upperside of the flange of the undermould, said machine further comprises movable frame, that can be displaced along the stationary frame and that is provided with means to fill all stations in one step with mortar to compact and to shape its upperside.
  • the machine according to the application comprises a stationary frame and amovable frame.
  • the stationary frame is oblong, extends in horizontal direction and comprises a number of substantially horizontally extending parallel longitudinal rails, supported by legs.
  • the legs are indicated by 1 and a number of longitudinal rails are indicated by 2 and 3 resp.
  • each under-mould comprises an in general horizontally extending profiled main part 4a, a transverse part 4d destined to shape one side of the flange portion of the roofing means and a flange 4c destined to shape the lower edge of the flange portion.
  • Each under-mould 4 fits between two vertical transverse walls 5 and two vertical side walls 6 6 of the stationary frame. It will be clear that the upper limit of each transverse wall 5 has to be adapted to the curvature of the roofing means to be shaped.
  • each shaping station is formed by two U-beams 7 extending along the length of the stationary frame.
  • supports 8 are mounted on which the longitudinal axes of the under-mould 4 are supported when the under-mould is postioned on its place in the stationary frame.
  • each under-mould is fittingly enclosed by the transverse walls 5 and the side walls 6 and is supported in vertical direction by the supports 8. It will be clear that still more supports can be provided, for instance on the transverse walls 5, so that each under-mould also is supported at both or at one head end.
  • each station pneumatic lifting means 9 are present which are able to move the under-mould 4 vertically upwards from its place in a stationary frame (see fig. 1).
  • the movable frame is indicated by 20 and is supported at one side with the aid of rollers 21 by the square longitudinal beam 2 of the stationary frame and at the other side by rollers 22 resting on the U-beam 3 of the stationary frame.
  • a rack 23 is mounted along which a pinion can roll. This pinion is driven with the aid of motor 25 that moves together with the movable frame 20.
  • the movable frame 20 comprises essentially a shaping box 26 in which from a hopper mortar can be casted. During the filling of the shaping box 26 the movable frame 20 is at one end of the stationary frame. It will be celar that therefore that stationary frame hs to be provided with a blind part. At the other end also a blind part is present above which the frame 20 is present in case the whole extrudate is extrudated.
  • a second motor 27 drives through a chain 27a or such the shaping roller 28. From this shaping roller 28 through a second chain 29 or such a shaft 30 is driven that is provided with pins or such that are meant to keep the concrete mortar in movement and to press it below the shaping roller 28.
  • a second chain 29 or such a shaft 30 is driven that is provided with pins or such that are meant to keep the concrete mortar in movement and to press it below the shaping roller 28.
  • the shaping box 26 is limited at its side edges by side walls moving slidingly over longitudinal strips 6, while the front side is delimited by a cover plate indicated by 31 and at the back a doctor plate 32 is present, of which the lower edge determines the final upper shape of the roofing means to be shaped.
  • This plate 32 together with the upperside of the row of under-moulds 4 forms the extrusion mouth for the extrudate.
  • the frame 20 is present above the blind portion at one end of the stationary frame.
  • the filling station not shown, is at the right hand side of the drawing.
  • the drive motor 27 for the shaping roller 28 and the mixing shaft 30 are put into action.
  • the mortar comes at the right hand side in figure 1 out of the shaping box 26 through the extrusion mouth.
  • the mortar is pressed by the shaping roller 28 into the under-moulds 4 and also in the cavity of each flange portion.
  • the compacting of the mortar also is caused by the shaping roller 28 while the lower edge of teh doctor plate 32 wipes the upper side of the extrudate.
  • the shaped extrudate has to be devided on the spot of the transverse walls 5.
  • one or more vertical moving cutting devices 33 see fig. 2, are used.
  • the or each cutting device 33 comprises two parallel cutting knifes 34 so between the cutting knifes a space is present.
  • the cutting of teh extrudate preferable takes place after the shaping of the whole extrudate so when the frame 20 is above the left hand blind portion.
  • each under-mould 4 is moved upwardly and can be taken off so that the roofing means shaped thereon can be dried in a drying device after which the roofing means can be taken from the under-mould.
  • the'capacity of the device can be increased by shaping a number of series roofing means next to each other in one step.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
EP81200376A 1980-04-03 1981-04-02 Machine pour façonner des éléments pour toitures en béton par extrusion Expired EP0037614B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81200376T ATE3383T1 (de) 1980-04-03 1981-04-02 Maschine zum bilden von dachsteinformlingen aus beton durch strangpressen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8002000A NL8002000A (nl) 1980-04-03 1980-04-03 Inrichting voor het door extrusie vormen van betonnen hulpstukken voor dakbedekking.
NL8002000 1980-04-03

Publications (2)

Publication Number Publication Date
EP0037614A1 true EP0037614A1 (fr) 1981-10-14
EP0037614B1 EP0037614B1 (fr) 1983-05-18

Family

ID=19835115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81200376A Expired EP0037614B1 (fr) 1980-04-03 1981-04-02 Machine pour façonner des éléments pour toitures en béton par extrusion

Country Status (4)

Country Link
EP (1) EP0037614B1 (fr)
AT (1) ATE3383T1 (fr)
DE (1) DE3160304D1 (fr)
NL (1) NL8002000A (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734249A (en) * 1956-02-14 Roofing tile making machines
FR1133225A (fr) * 1954-10-22 1957-03-25 Dispositif pour comprimer des pièces en béton à fabriquer dans des coffrages
US3122812A (en) * 1961-04-04 1964-03-03 Frank A Gory Tile manufacturing machine
US3193903A (en) * 1962-05-11 1965-07-13 Nordon Inc Tile casting installation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734249A (en) * 1956-02-14 Roofing tile making machines
FR1133225A (fr) * 1954-10-22 1957-03-25 Dispositif pour comprimer des pièces en béton à fabriquer dans des coffrages
US3122812A (en) * 1961-04-04 1964-03-03 Frank A Gory Tile manufacturing machine
US3193903A (en) * 1962-05-11 1965-07-13 Nordon Inc Tile casting installation

Also Published As

Publication number Publication date
EP0037614B1 (fr) 1983-05-18
NL8002000A (nl) 1981-11-02
ATE3383T1 (de) 1983-06-15
DE3160304D1 (en) 1983-07-07

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