EP0940235A2 - Machine for the production of tiles with variation of colour in the body - Google Patents
Machine for the production of tiles with variation of colour in the body Download PDFInfo
- Publication number
- EP0940235A2 EP0940235A2 EP99200653A EP99200653A EP0940235A2 EP 0940235 A2 EP0940235 A2 EP 0940235A2 EP 99200653 A EP99200653 A EP 99200653A EP 99200653 A EP99200653 A EP 99200653A EP 0940235 A2 EP0940235 A2 EP 0940235A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- well
- machine
- powders
- accordance
- dumping
- 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
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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
- B28B13/0245—Rotatable feed frames, e.g. horizontally rotated over 90 degrees
-
- 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
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/022—Feeding several successive layers, optionally of different materials
-
- 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
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/027—Feeding the moulding material in measured quantities from a container or silo by using a removable belt or conveyor transferring the moulding material to the moulding cavities
Definitions
- Figs. 9 and 10 show another variant embodiment of the delivery unit (again indicated by reference number 23).
- the unit comprises a main hopper 251 and a secondary hopper 252 both of which are equipped with respective capped gates 253, 254 controlled by actuators 255, 256.
- the figures show four mouths arranged at the vertices of a square.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
Description
- The present invention relates to a machine for the production of tiles with variation of color in the body.
- In the production of tiles the need is felt to be able to rapidly and economically produce tiles with color variations in the body. For example this can be used to simulate the striations peculiar to natural stones or to simulate inlays.
- In the prior are there have been proposed machines which convey colored powders over the conventional mold by means of complex belt systems. These machines are however complex, costly and delicate, operating speed is low and the results are not easy to control. Because of the poor accuracy obtainable in distribution these machines are also usable only to obtain striations and not more consistent or complex designs.
- The general purpose of the present invention is to overcome the above shortcomings by supplying a simple and economical machine which would allow rapid production of tiles with color variations in the body with well controllable and repeatable results.
- In view of this purpose it was sought to provide in accordance with the present invention a machine for the production of tiles pressed with color variation in the body of the powders comprising a member which is movable between an erect position and a reclined position with the member defining a powder filling well which is arranged with a mouth for inlet thereto of the powders turned upward when the member is in erect position to receive the powders poured therein from a delivery unit with the member also comprising means for pouring from the well which are controllable when the member is in spread out position to pour the powders from the well into a pressing mold.
- To clarify the explanation of the innovative principles of the present invention and its advantages compared with the prior art there is described below with the aid of the annexed drawings a possible embodiment thereof by way of non-limiting example applying said principles. In the drawings:
- Fig. 1 shows a partially cross sectioned diagrammatic side elevation view of a machine in accordance with the present invention,
- Fig. 2 shows a partial plan view of the machine of Fig. 1,
- Figs. 3 to 5 show side elevation views of operating stages of the machine of Fig. 1,
- Figs. 6 and 7 are diagrammatic front views of variant embodiments of details of the machine of Fig. 1,
- Fig. 8 is a view similar to Fig. 1 but showing a variant embodiment, and
- Figs. 9 and 10 are diagrammatic side and front views of a variant embodiment of a detail of the machine in accordance with the present invention.
- With reference to the figures, Fig. 1 shows a machine indicated as a whole by
reference number 10 for the production of tiles. The machine comprises asection 11 for loading the powder and asection 12 for pressing. The pressing section comprises amold 13 and apress 14. Mold and press are virtually prior art and will not be further described or shown. The filling section comprises afilling truck 15 which by means of anactuator 16 is movable between a retracted or powder reception position (shown in Fig. 1) and an advanced or powder pouring position (shown in Fig. 4). The truck can comprise mold cleaning means 17 in front which run on the upper surface of the mold when the truck moves between its two positions. A virtually prior art machine has been described up to this point. - In accordance with the present invention the filling section comprises a
unit 18 for powder reception mounted on the truck to run with it and comprising apowder reception member 19 which can overturn around anaxis 20 to change from an erect position (shown in Fig. 1) to a reclining position (shown in Fig. 3). - The
member 19 defines a well 21 closed by amovable bottom 22 into which adelivery unit 23 pours through anupper mouth 39 of the well in erect position the powders to be pressed as clarified below. - When the
member 19 is in horizontal position thebottom 22 can be made to run by means of anactuator 24 to dump the powder contained in the well. - As may be seen in Fig. 2 overturning of the
member 19 is controlled by apulley 25 integral with the overturning axis and is driven by amotorized belt 26. Thebox bottom 22 runs onguides 27 by means ofwheels 28. For the sake of simplicity only one half of the device is shown in Fig. 2. It is understood that the partial view of Fig. 2 represents symmetrical mirror images of the device centered on theaxis 29. - In erect position the overturning
member 18 can be inclined towards the reclining position with an angle between 90° and 45° and advantageously between 60° and 80° to the horizontal as may be seen in Fig. 1. - At the beginning of the pressing cycle the machine in use is in the position shown in Fig. 1. The
delivery unit 23 unloads the powder to be pressed into thewell 21. By changing the powder delivery position thewell 21 can be filled with a body of powders of different colors so as to form striations or designs in the body. The slight thickness of the well permits satisfactory accuracy in powder distribution. - When the
well 21 is full the overturningmember 18 is taken to the horizontal position as shown in Fig. 3 and thetruck 15 advances to take the well 21 vertically over the mold as shown in Fig. 4. After reaching this position the dumping means formed by thebox 22 are driven by theactuator 24 so as to open the bottom of the well and dump the powders into the mold. Then the truck backs off and the box advances so as to take the filling unit into the initial position shown in Fig. 3 and then Fig. 1. The press is then operated to press the powder in the mold in accordance with the prior art. - There is obtained in this manner a tile of pressed powder with the arrangement of the powders provided during dumping of the powder from the
distributor 23 into thewell 21. - As delivery into the well takes place by layers or cross sections of tile precise designs and/or striations can be provided.
- Fig. 6 shows a possible embodiment of the
delivery unit 23. In this embodiment the delivery unit comprises ahead 30 running on command alongtracks 31 parallel to the inlet mouth of thewell 21. Thehead 30 hasducts 32 inside it for controlled delivery of different powders from theoutlet mouth 33. By commanding running of the head along the guides and simultaneous delivery of selected powders it is possible to secure desired designs and striations layer after layer. In thewell 21 there can also be providedbaffles 34 appropriately shaped for separation of various zones of the well so as to obtain more accurate designs or zones with different powder distribution. - Fig. 7 shows a variant of the delivery unit (still indicated by reference number 23). It comprises a
multiple delivery head 35 made up of a plurality of delivery units each for controlled delivery of a predetermined powder. - The
head 35 is fixed and dumps onto a revolvingbelt 36 which conveys the powder received towards adumping end 37. The belt is parallel to the mouth of thewell 21 and is movable at least in itsdumping end 37 along the extension of the mouth e.g. onguides 38. During movement of the belt on the guides the dumping end moves along the entire extension of the mouth of thewell 21 while an upper part of belt always remains underneath the delivery mouths of thehead 35. In this manner the head can be used to deliver the various powders onto the belt in predetermined quantities and sequence. Running of the delivery end on the well then pours the powders from the running belt into the well. - Fig. 8 shows a variant embodiment of the powder reception member. In this embodiment members similar to those of Fig. 1 are indicated by the same numbers increased by one hundred.
- There is thus a
powder reception unit 118 mounted on thetruck 115 to run therewith and comprising apowder reception member 119 which can be overturned around anaxis 120 to change from an erect position (shown in solid lines) and an extended position (shown in broken lines) by means of a poweredpulley 125. Themember 119 defines a well 121 closed on one face with a poweredrunning belt 122 onto which adelivery unit 23 identical to those described above dumps the powders through amouth 139. - When the well is full the
member 119 is brought into a horizontal position and thebelt 121 is started to convey the powder from the well to dump it into the mold. Thetruck 115 advances simultaneously so as to move thedumping end 140 along the mold and fill it completely. - When filling is finished the truck backs to its initial position and the press can lower onto the mold for pressing the powders.
- Figs. 9 and 10 show another variant embodiment of the delivery unit (again indicated by reference number 23).
-
Unit 23 can be applied to any of the embodiments shown in the other figures. - The unit comprises a
main hopper 251 and asecondary hopper 252 both of which are equipped with respective cappedgates actuators - Controlled
delivery mouths 257 for colored powders which arrive throughflexible ducts 258 dump into themain hopper 251 to provide the tile body. There can be any number ofdelivery mouths 257 e.g. depending on the number of colors it is desired to be able to mix directly in the hopper. The figures show four mouths arranged at the vertices of a square. - Powders for graining the tile reach the
secondary hopper 256 through aduct 259. Thehead 23 is powered to run withwheels - During movement the
head 23 dumps onto an inclined plane orchute 250 which conveys the powders into thewell 21. - In this manner during operation of the machine the head runs forward and backward along the tracks while it dumps selected colors filling the well with successive layers.
- The powder dumped from the main hopper creates the main body of the tile while the powder dumped from the secondary hopper creates the finer graining. This helps give a more natural appearance to the finished product.
- At this point it is clear that the preset purposes have been achieved by making available a machine permitting rapid and accurate formation of a body of differently colored powders according to predetermined or even apparently random schemes so as to obtain designs, striations, color spots et cetera in the entire body of the tile being formed.
- Naturally the above description of an embodiment applying the innovative principles of the present invention is given by way of non-limiting example of said principles within the scope of the exclusive right claimed here.
- For example the machine could comprise means of cleaning, delivery from the mold, conveyance of the pressed tile et cetera as easily imaginable by one skilled in the art. In addition the multiple head could also be made up of a plurality of individual heads running independently on the mouth of the well.
- If the hoisting movement of the dumping member were sufficient to avoid interference with the press the truck movement could be eliminated and the powder dumped into the mold by a simple movement of the dumping member from the erect position to the reclining position vertically over the mold.
- Lastly multiple dumping members and delivery heads could be associated for use with multiple presses for simultaneous production of multiple tiles.
Claims (11)
- Machine for the production of tiles pressed with color variation in the body of the powders comprising a member (18,118) which is movable between an erect position and a reclined position with the member (18,118) defining a powder filling well (21,121) which is arranged with a powder inlet mouth (39,139) turned upward when the member is in erect position to receive the powders poured therein from a delivery unit (23,123) with the member (18,118) also comprising means (22,122) for pouring from the well which are controllable when the member (18,118) is in spread out position to pour the powders from the well into a pressing mold.
- Machine in accordance with claim 1 characterized in that the pouring means comprise a movable bottom (22) of the well which is powered to run between a well closing position and a lower open position of the well when in reclined dumping position vertically over the mold.
- Machine in accordance with claim 1 characterized in that the dumping means comprise a moving belt (122) constituting the well bottom when in reclined position with the belt having its dumping end (140) arranged near the mold and moving to run thereon.
- Machine in accordance with claim 1 characterized in that the moving member is mounted on a truck (15,115) for conveyance between a filling position far from the mold and a dumping position near the mold.
- Machine in accordance with claim 1 characterized in that the delivery unit comprises a multiple head (30,35) for controlled delivery of different powders into the well.
- Machine in accordance with claim 5 characterized in that the multiple head (30) runs along the mouth of the well to distribute the powders therein.
- Machine in accordance with claim 5 characterized in that the multiple head (35) dumps the powders onto a revolving belt (36) which has a dumping end (37) moving along the mouth of the well to distribute the powders therein.
- Machine in accordance with claim 1 characterized in that in erect position the moving member (18,118) is inclined towards the reclined position at an angle between 45° and 90° and in particular between 60° and 80° to the horizontal.
- Machine in accordance with claim 1 characterized in that the delivery unit comprises a controlled powder dumping head moving above the inclined plane (250) to dump thereon with the inclined plane in turn dumping into said well.
- Machine in accordance with claim 9 characterized in that the head comprises a main hopper (251) and a secondary hopper (252) with both dumping onto the inclined plane (250).
- Machine in accordance with claim 9 characterized in that several ducts (258) for controlled feeding of different powders reach the main dumping hopper (251).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI980458 IT1298598B1 (en) | 1998-03-06 | 1998-03-06 | MACHINE FOR THE PRODUCTION OF TILES WITH COLOR CHANGE IN THE MASS |
ITMI980458 | 1998-03-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0940235A2 true EP0940235A2 (en) | 1999-09-08 |
EP0940235A3 EP0940235A3 (en) | 2000-09-06 |
EP0940235B1 EP0940235B1 (en) | 2003-07-09 |
Family
ID=11379212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990200653 Expired - Lifetime EP0940235B1 (en) | 1998-03-06 | 1999-03-05 | Machine for the production of tiles with variation of colour in the body |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0940235B1 (en) |
DE (1) | DE69909351T2 (en) |
ES (1) | ES2203003T3 (en) |
IT (1) | IT1298598B1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0950483A2 (en) * | 1998-04-15 | 1999-10-20 | Ceramica Monital S.P.A. | Loading device for a ceramic press |
EP1717000A1 (en) * | 2005-04-25 | 2006-11-02 | Thai Ceramic Co., Ltd. | A device for making continuous veining of desired patterns extending through the entire thickness of a product, a process of making thereof and the product obtained thereby |
EP1745906A2 (en) | 2005-07-19 | 2007-01-24 | SACMI COOPERATIVA MECCANICI IMOLA SOCIETA' COOPERATIVA in breve SACMI IMOLA S.C. | System for altering the arrangement of the powders forming a strip for the forming of ceramic tiles or slabs |
EP1879727A2 (en) * | 2005-04-21 | 2008-01-23 | Calstone | Method and apparatus for highly controlled color distribution in mass produced concrete products |
CN109079975A (en) * | 2018-09-13 | 2018-12-25 | 辽宁瑞泊科技有限公司 | Powder feeding dynamic cloth mechanism |
CN112847739A (en) * | 2021-01-18 | 2021-05-28 | 广东清远蒙娜丽莎建陶有限公司 | Large-area mixed particle three-dimensional cloth stone-like brick and preparation method and equipment thereof |
IT202000003037A1 (en) * | 2020-02-14 | 2021-08-14 | L B Off Mec S P A | Ceramic powder feeding device |
US11498298B2 (en) | 2014-08-19 | 2022-11-15 | Cambria Company Llc | Synthetic molded slabs, and systems and methods related thereto |
US11529752B2 (en) | 2015-01-30 | 2022-12-20 | Cambria Company Llc | Processed slabs, and systems and methods related thereto |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100015521A1 (en) * | 2021-06-15 | 2022-12-15 | G Tech S R L | METHOD AND PLANT FOR THE MANUFACTURE OF CERAMIC PRODUCTS |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08244024A (en) * | 1995-03-09 | 1996-09-24 | Inax Corp | Filling of body of stratum pattren tile |
EP0822044A1 (en) * | 1996-07-30 | 1998-02-04 | Ceramiche Dual S.r.l. | Loading system for the moulds of ceramic presses for forming pressure-glazed tiles, and relative implementation means |
EP0839618A1 (en) * | 1996-10-29 | 1998-05-06 | L.B. - Officine Meccaniche-S.p.A. | Clay loading device for ceramic tile presses |
EP0950483A2 (en) * | 1998-04-15 | 1999-10-20 | Ceramica Monital S.P.A. | Loading device for a ceramic press |
-
1998
- 1998-03-06 IT ITMI980458 patent/IT1298598B1/en active IP Right Grant
-
1999
- 1999-03-05 EP EP19990200653 patent/EP0940235B1/en not_active Expired - Lifetime
- 1999-03-05 DE DE1999609351 patent/DE69909351T2/en not_active Expired - Lifetime
- 1999-03-05 ES ES99200653T patent/ES2203003T3/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08244024A (en) * | 1995-03-09 | 1996-09-24 | Inax Corp | Filling of body of stratum pattren tile |
EP0822044A1 (en) * | 1996-07-30 | 1998-02-04 | Ceramiche Dual S.r.l. | Loading system for the moulds of ceramic presses for forming pressure-glazed tiles, and relative implementation means |
EP0839618A1 (en) * | 1996-10-29 | 1998-05-06 | L.B. - Officine Meccaniche-S.p.A. | Clay loading device for ceramic tile presses |
EP0950483A2 (en) * | 1998-04-15 | 1999-10-20 | Ceramica Monital S.P.A. | Loading device for a ceramic press |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 01, 31 January 1997 (1997-01-31) & JP 08 244024 A (INAX CORP), 24 September 1996 (1996-09-24) * |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0950483A3 (en) * | 1998-04-15 | 2000-09-06 | Ceramica Monital S.P.A. | Loading device for a ceramic press |
EP0950483A2 (en) * | 1998-04-15 | 1999-10-20 | Ceramica Monital S.P.A. | Loading device for a ceramic press |
EP1879727A4 (en) * | 2005-04-21 | 2010-04-07 | Calstone | Method and apparatus for highly controlled color distribution in mass produced concrete products |
EP1879727A2 (en) * | 2005-04-21 | 2008-01-23 | Calstone | Method and apparatus for highly controlled color distribution in mass produced concrete products |
US8147233B2 (en) | 2005-04-21 | 2012-04-03 | Calstone | Apparatus for highly controlled color distribution in mass produced concrete products |
EP1717000A1 (en) * | 2005-04-25 | 2006-11-02 | Thai Ceramic Co., Ltd. | A device for making continuous veining of desired patterns extending through the entire thickness of a product, a process of making thereof and the product obtained thereby |
EP1745906A2 (en) | 2005-07-19 | 2007-01-24 | SACMI COOPERATIVA MECCANICI IMOLA SOCIETA' COOPERATIVA in breve SACMI IMOLA S.C. | System for altering the arrangement of the powders forming a strip for the forming of ceramic tiles or slabs |
EP1745906A3 (en) * | 2005-07-19 | 2009-09-30 | SACMI COOPERATIVA MECCANICI IMOLA SOCIETA' COOPERATIVA in breve SACMI IMOLA S.C. | System for altering the arrangement of the powders forming a strip for the forming of ceramic tiles or slabs |
US11498298B2 (en) | 2014-08-19 | 2022-11-15 | Cambria Company Llc | Synthetic molded slabs, and systems and methods related thereto |
US11529752B2 (en) | 2015-01-30 | 2022-12-20 | Cambria Company Llc | Processed slabs, and systems and methods related thereto |
CN109079975A (en) * | 2018-09-13 | 2018-12-25 | 辽宁瑞泊科技有限公司 | Powder feeding dynamic cloth mechanism |
IT202000003037A1 (en) * | 2020-02-14 | 2021-08-14 | L B Off Mec S P A | Ceramic powder feeding device |
EP3865269A1 (en) * | 2020-02-14 | 2021-08-18 | L.B. Officine Meccaniche S.p.A. | Ceramic powder feeding device |
CN112847739A (en) * | 2021-01-18 | 2021-05-28 | 广东清远蒙娜丽莎建陶有限公司 | Large-area mixed particle three-dimensional cloth stone-like brick and preparation method and equipment thereof |
Also Published As
Publication number | Publication date |
---|---|
EP0940235B1 (en) | 2003-07-09 |
IT1298598B1 (en) | 2000-01-12 |
DE69909351T2 (en) | 2004-06-09 |
ITMI980458A1 (en) | 1999-09-06 |
EP0940235A3 (en) | 2000-09-06 |
DE69909351D1 (en) | 2003-08-14 |
ES2203003T3 (en) | 2004-04-01 |
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