EP0036313B1 - Procédé de fabrication de tuiles en béton - Google Patents

Procédé de fabrication de tuiles en béton Download PDF

Info

Publication number
EP0036313B1
EP0036313B1 EP81301068A EP81301068A EP0036313B1 EP 0036313 B1 EP0036313 B1 EP 0036313B1 EP 81301068 A EP81301068 A EP 81301068A EP 81301068 A EP81301068 A EP 81301068A EP 0036313 B1 EP0036313 B1 EP 0036313B1
Authority
EP
European Patent Office
Prior art keywords
tiles
tile
uncured
mould
curing
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
Application number
EP81301068A
Other languages
German (de)
English (en)
Other versions
EP0036313A1 (fr
Inventor
Antonio Gonzalo Fernandez Puentes
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.)
Ashton Jacqueline
Original Assignee
Ashton Jacqueline
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 Ashton Jacqueline filed Critical Ashton Jacqueline
Priority to AT81301068T priority Critical patent/ATE6916T1/de
Publication of EP0036313A1 publication Critical patent/EP0036313A1/fr
Application granted granted Critical
Publication of EP0036313B1 publication Critical patent/EP0036313B1/fr
Expired legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245—Curing concrete articles
    • 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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04—Discharging the shaped articles

Definitions

  • the present invention relates to a process for manufacturing concrete roof tiles.
  • German patent No. 806952 of 12 April 1951 describes a process for stacking and drying of flat concrete components such as cement roofing stones which may have an undulating contour.
  • each concrete component fresh from the mould is laid on an older component, and a stack is built up of alternating fresh and old concrete components, with each fresh component being sandwiched between two older components acting as carrier plates.
  • US patent No. 4158533 describes apparatus for the production of pressed tiles, namely flat cement tiles, with a mould for forming and pressing the tiles, stripping means operable to strip pressed tiles from the moulds, plates for receiving and supporting each tile, treatment means to treat tiles on the plates, means for downwardly moving the stripped tiles to superimpose them to form a pile on each plate, and means for moving each plate and associated pile to the treatment means.
  • the means for downwardly moving the stripped tiles is designed to move the tiles downwardly but not horizontally.
  • the present invention is not concerned with the production of flat cement tiles, but rather with contoured tiles of the kind which may be overlapped to form a roof.
  • a process for manufacturing concrete roof tiles without the use of curving moulds comprising the steps of metering concrete mix into a tile mould, applying pressure to the mix in the mould both to form an uncured tile having a thin, non-planar shape which nevertheless permits packing of the tiles to form a substantially solid block of tiles, and also to dewater and deaerate the mix and give an uncured tile containing the water required for hydraulic curing, removing the uncured tile from the mould, and loading the tile fresh from the mould into a support frame; the steps being repeated, and the loading being carried out with the repetition of the steps, so as to form on the support frame a virtually solid block of uncured tiles each fresh from the mould; and curing the tiles or allowing the tiles to cure, while in the form of the solid block.
  • This invention is particularly directed to improvement upon the processes, already in existence, for manufacturing thin concrete roof tiles. It can totally eliminate the need for curing pallets in the curing or hardening processes.
  • the tiles usually have exactly complementary upper and lower surfaces, thus permitting their being stacked face-to-face whilst still fresh, optionally separated by a fine film of paper or other products, to form a solid block of concrete without gaps, which, once enclosed in a support-case or frame of the same shape as the outside part of the concrete blocks, permit that this can withstand the following transportation and curing processes without the tiles within suffering any damage.
  • the tiles Once the protecting support-case has been removed, the tiles remain in a block during all the following stages of stacking in the yard and transportation to the building site.
  • the principle objective of this invention is the improvement in the existing systems of mass-production of concrete tiles.
  • the proposed invention seeks essentially to reduce radically these costs, basing itself on the substitution for the above described stages of the previous manufacturing process, of a system of solid block formation and continuous curing chamber; the only auxiliary equipment being the support-cases, as illustrated in Figure 2.
  • Figure 2 is a diagram of tile making process of the invention.
  • Figure 3 is an example of the process of the invention.
  • Figure 4 is an example of a press employed in the present invention.
  • Figure 4 can be seen a rotating press of 5 stages, in which four tiles are produced in parallel simultaneously.
  • FIGS 5 to 8 illustrate solid blocks formed during the process of the invention.
  • This invention offers very important advantages over the conventional systems of concrete roof tile production already in existence. These are listed below.
  • the present invention is further illustrated by the following non-limiting example.
  • Figures 9 to 12 show a tile made by the process of the invention, and Figure 12 illustrates the steps in the process of the invention.
  • a wet concrete mix was prepared using 1 part by weight of cement, 2 parts by weight of sand (mesh size: on 2 mm, pass 3 mm) and sufficient water to give a plastic consistency.
  • the mix was then metered into 4 lower moulds arranged in side-by-side relationship across a conveyor belt.
  • the 4 moulds formed part of a continuous array of moulds extending the length of the belt. This metering and the subsequent stages are shown illustratively in Figure 12, with each part of Figure 12 showing a stage through which each mould passes on the belt.
  • the 4 moulds under consideration left the metering station and reached a pre-forming station, where an upper forming mould was applied to each lower mould to shape the wet concrete mix to give a preformed tile having the shape shown in Figures 9 to 11.
  • the preformed tile was slightly undersize.
  • the moulds were then advanced to a surface treatment station, where a pigmented coating of a semi-dry concrete mix containing fine sand, cement and other additives was applied to the tiles through an overhead sieving device. Thereafter with advancement to a pressing and dewatering station a high pressure of between 50 and 120 kg/cm 2 , usually 80 kg/cm 2 (say, between 4.9 and 11.8 MPa, usually 7.8 MPa) was applied to the preformed tiles in the molds. In this manner air and excess water was expressed from the tiles, and drained off through filter openings provided for this purpose.
  • the belt was then advanced to a demoulding station, where a vacuum-assisted lifting head with a shape complementary to the top of the tile served to remove the tiles from the four moulds and transfer them to a support frame.
  • the support frame comprised a base and a rear wall at right angles, with the base being supported such that the top of the rear wall was inclined rearwardly at an angle of about 10° to the vertical.
  • each cured tile was about 42 cm long, about 33 cm in breadth, and about 1.2 cm in depth.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Finishing Walls (AREA)
  • Panels For Use In Building Construction (AREA)

Claims (8)

1. Procédé de fabrication de tuiles en béton n'utilisant pas de moules de prise, le procédé comportant les stades suivants: doser un mélange de béton dans un moule à tuile, exercer une pression sur le mélange dans le moule à la fois pour former une tuile non prise ayant une forme mince non plane qui permet néanmoins d'empiler les tuiles pour fomer un block pratiquement massif de tuiles et également pour extraire l'eau et l'air du mélange et obtenir une tuile non prise contenant l'eau nécessaire à une prise hydraulique enlever la tuile non prise du moule et charger la tuile sortant fraîche du moule dans un cadre support, les stades se répètent et le chargement s'effectuant avec la répétition des stades de façon à former sur le cadre support un block pratiquement massif de tuiles non prises, chacune étant sortie fraîche du moule; et faire prendre les tuiles ou laisser les tuiles prendre tandis qu'elles se trouvent sous la forme du bloc massif.
2. Procédé selon la revendication 1, dans lequel les tuiles ont sur une face des évidements complémentaires de saillies sur la tuile immédiatement adjacente, et recevant ces saillies pour permettre la formation du bloc.
3. Procédé selon la revendication 1 ou 2, dans lequel les tuiles en béton ont une longueur et/ou une largeur égale à 20 à 50 fois l'épaisseur.
4. Procédé selon l'une quelconque des revendications précédentes, dans lequel on exerce sur le mélange une pression d'extraction d'eau égale à 50 à 120 kg/cm2.
5. Procédé selon l'une quelconque des revendications précédentes, dans lequel une feuille anti-adhérente ou une surface anti-adhérente est appliquée sur les tuiles non prises avant ou pendant le chargement pour obtenir le bloc.
6. Procédé selon l'une quelconque des revendications précédentes, dans lequel les tuiles non prises sont chargées, chacune se tenant de façon générale verticalement pour former le bloc.
7. Procédé selon l'une quelconque des revendications précédentes, dans lequel le cadre support supporte seulement deux faces du bloc.
8. Procédé selon l'une quelconque des revendications précédentes, dans lequel, après prise, les tuiles sont laissées sous forme de blocs solides prêts à être transportés de l'usine de fabrication.
EP81301068A 1980-03-13 1981-03-13 Procédé de fabrication de tuiles en béton Expired EP0036313B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81301068T ATE6916T1 (de) 1980-03-13 1981-03-13 Verfahren zur herstellung von betondachziegeln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES489519 1980-03-13
ES489519A ES489519A0 (es) 1980-03-13 1980-03-13 Perfeccionamientos introducidos en la fabricacion de losetas de hormigon

Publications (2)

Publication Number Publication Date
EP0036313A1 EP0036313A1 (fr) 1981-09-23
EP0036313B1 true EP0036313B1 (fr) 1984-04-04

Family

ID=8480027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81301068A Expired EP0036313B1 (fr) 1980-03-13 1981-03-13 Procédé de fabrication de tuiles en béton

Country Status (4)

Country Link
EP (1) EP0036313B1 (fr)
AT (1) ATE6916T1 (fr)
DE (1) DE3162922D1 (fr)
ES (1) ES489519A0 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4872289A (en) * 1986-06-10 1989-10-10 Disco Abrasive Systems, Ltd. Cutter
DE3812901C1 (fr) * 1988-04-18 1989-09-14 Rieter-Werke Haendle Kg, 7750 Konstanz, De

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE21814C (de) * F. SCHMIDT in Chrosczina per Oppeln Neuerungen an dem unter Nr. 9868 geschützten Verfahren zur Herstellung von Hohlwerken (Dachreitern) etc
US2173107A (en) * 1937-08-09 1939-09-19 Robert E Gould Making ceramic articles
FR1009678A (fr) * 1948-10-02 1952-06-03 Procédé pour l'empilage et le séchage de pièces plates en béton, par exemple de tuiles en ciment
DE843466C (de) * 1948-10-02 1952-07-10 Kurt Milde Flachziegel und Verfahren zu seiner Herstellung
US2601105A (en) * 1949-08-16 1952-06-17 Russell P Dunmire Ceramic product and method of making same
FR1142846A (fr) * 1956-03-09 1957-09-23 Procédé de fabrication des tuiles sur filières et tuiles obtenues par sa mise en oeuvre
US4158533A (en) * 1975-06-27 1979-06-19 Longinotti S.P.A. Apparatus for producing and stripping pressed cement tiles with superimposition of a plurality of stripped tiles

Also Published As

Publication number Publication date
ES8100622A1 (es) 1980-11-01
ATE6916T1 (de) 1984-04-15
DE3162922D1 (en) 1984-05-10
EP0036313A1 (fr) 1981-09-23
ES489519A0 (es) 1980-11-01

Similar Documents

Publication Publication Date Title
CA1109222A (fr) Methode et dispositif a actions combinees de vibration et de pression dans un milieu inerte pour le faconnage de dalles faites de gres a resineux
JPS5946765B2 (ja) サイボウセイケイリヨウコンクリ−トセイヒン ノ セイゾウホウホウ オヨビ ソウチ
US4287144A (en) Method of manufacturing cementitious articles and various forms of equipment of putting this method into practice
JP3086197B2 (ja) 化粧舗装ブロックの製造装置
EP0036313B1 (fr) Procédé de fabrication de tuiles en béton
AU670748B2 (en) Method and device for manufacturing construction blocks from a hydraulic binder such as plaster, an inert filler such as sand, and water
GB1573099A (en) Apparatus for the manufacture of insulating products
US3600481A (en) Method for more rapidly producing aeroconcrete building elements
CA1316670C (fr) Methode de fabrication de blocs multicouches permettant la production de dalles sans operation de coupe
KR940004753B1 (ko) 복합블록 제조 시스템
US5788996A (en) Apparatus for manufacturing building blocks from a hydraulic binder such as plaster, an inert filler such as sand, and water
JPH01174409A (ja) コンクリートパネルの搬送装置
JPH054210A (ja) コンクリートブロツク製造方法
US20220234261A1 (en) Mould for the production of slabs and relative forming method
US6156251A (en) Method and plant for the manufacture of composite materials having a structured surface at one side
US3660553A (en) Method for manufacturing articles from a hardening substance
KR20040053762A (ko) 호안블록 제조장치
US2034164A (en) Apparatus for making building blocks
JPH06134740A (ja) 大形コンクリート製品の即時脱型式自動成形機 およびその成形方法
US6725520B1 (en) Method and device for producing single or multi-layer, fiber-reinforced flat products
KR200358682Y1 (ko) 호안블록 제조장치
US3231438A (en) Method of and apparatus for producing laminated elements
RU2225290C2 (ru) Способ укладки полуфабриката шлакоблоков для просушки
RU2089388C1 (ru) Установка для непрерывного изготовления строительных изделий
EP0056020B1 (fr) Procede et appareil de fabrication d'elements profiles

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT NL SE

17P Request for examination filed

Effective date: 19811029

ITF It: translation for a ep patent filed

Owner name: MARCHI & MITTLER S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI NL SE

REF Corresponds to:

Ref document number: 6916

Country of ref document: AT

Date of ref document: 19840415

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3162922

Country of ref document: DE

Date of ref document: 19840510

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19910304

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19910313

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19910320

Year of fee payment: 11

Ref country code: FR

Payment date: 19910320

Year of fee payment: 11

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19910331

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19910403

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19910404

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19910503

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19920313

Ref country code: AT

Effective date: 19920313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19920314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19920331

Ref country code: CH

Effective date: 19920331

Ref country code: BE

Effective date: 19920331

BERE Be: lapsed

Owner name: ASHTON JACQUELINE

Effective date: 19920331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19921001

GBPC Gb: european patent ceased through non-payment of renewal fee
NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19921130

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19921201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

EUG Se: european patent has lapsed

Ref document number: 81301068.3

Effective date: 19921005