WO2010022475A1 - Block moulds and method - Google Patents
Block moulds and method Download PDFInfo
- Publication number
- WO2010022475A1 WO2010022475A1 PCT/AU2009/001129 AU2009001129W WO2010022475A1 WO 2010022475 A1 WO2010022475 A1 WO 2010022475A1 AU 2009001129 W AU2009001129 W AU 2009001129W WO 2010022475 A1 WO2010022475 A1 WO 2010022475A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mould
- side walls
- side wall
- core
- base
- Prior art date
Links
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
- B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
- B28B7/04—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article one or more of the parts being pivotally mounted
-
- 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
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
- B28B7/183—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for building blocks or similar block-shaped objects
-
- 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
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0081—Embedding aggregates to obtain particular properties
- B28B23/0087—Lightweight aggregates for making lightweight 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0035—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
- B28B7/0044—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding the sidewalls of the mould being only tilted away from the sidewalls of the moulded article, e.g. moulds with hingedly mounted sidewalls
-
- 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
- B28B7/28—Cores; Mandrels
-
- 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
- B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
-
- 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
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
Definitions
- This invention relates to block moulds, a method of moulding as well as blocks the result of the method.
- block is used throughout but it is intended that this term should be inclusive of bricks.
- This invention relates to moulding of concrete blocks using gravity casting which involves wet casting of these which is to be distinguished from a method of manufacture of concrete blocks conventionally referred to as "tone blocks".
- the Besser block starts with a relatively dry mix which is compacted and often vibrated in a mould then very rapidly ejected or extruded from the mould in a matter of less than a minute or so.
- the compaction and vibration of such a dry mixture has been able to establish very quickly indeed, a self supporting structure which can then be, independently of the mould, transferred to a further location to be allowed to set and cure.
- This is contrasted with "wet casting” where the concrete block will remain in the mould for a period of hours before it is self supporting and can be extracted from the mould.
- the dry cast system is widely used because a single mould can be used many repeated times in a short period which means that for a manufacturing installation the cost of many moulds is not so high.
- the invention could be said to reside in a method of manufacture of a "wet cast" block using a mould, the mould having a rectangular base, and four side walls, each wall secured to a respective end or side of the base so that each wall can, in one case, be positioned in a moulding position where each side wall is held together with the other side walls to define, with the base, a moulding shape, and in a further position, be in a mould block release position, where each respective side wall is swung outwardly from the moulding position, the method of manufacture including the steps of positioning the space in a mould defining position, filling the mould with a to be cast wet cement material, allowing the said material to cure while in the mould, then changing the relative position of the respective sides to a mould release position and thereafter removing the moulded block therefrom.
- each of the respective side walls is each secured to the base by being hingedly coupled thereto.
- the mould when in a mould defining position has an open top into which the material to be cast is poured.
- the block or brick is a hollow block and the method includes the steps of inserting through one of the side walls, a core or plug which is positioned after the side walls are located in a mould defining position, and is held between a first side wall and an oppositely positioned second side wall, the method including the further step of removing the core or plug by extracting this from a side wall after the material has set and only thereafter moving the side walls to a mould release position and effecting removal of the moulded block.
- the invention could be said to reside in a method of manufacture of a "wet cast block" having at least one face layer which is of a material different to most of the material from which the block is made using the mould, the mould having a rectangular base, and four side walls, each wall secured to a respective end or side of the base so that each can, in one case, be positioned in a moulding position where each side wall is held together with other side walls defining, with the base, a moulding shape, and in a further position, being in a moulded block release position each respective side wall is swung outwardly from the moulding position, the method of.
- manufacture including the steps of positioning the side walls and base in a mould defining position, inserting through one of the side walls, a core which is either one member being bifurcate providing a gap midway between the respective core portions or being two separate cores or plugs which leaves a gap in the mould therebetween, which core or plug or plugs is or are positioned after the side walls are located in a mould defining position and is or are held between a first side wall and an oppositely positioned second side wall, filling the mould with a to be cast wet cement material, allowing the said material to set, removing the core or cores or plug or plugs by extracting this or them from a side wall after the material has set, then changing the relative position of the respective side walls to a mould release position and thereafter removing the moulded block therefrom.
- the material to be cast includes a core of Portland cement, and foam plastics beads.
- a typical mixture uses expanded polystyrene beads.
- the method described thus far has significant advantage where a core material includes a significant percentage of foamed plastic material and therefore an external face which can provide a continuous surface in the sense that its surface will not be interrupted by plastic foam beads is considered economically and visually very advantageous.
- the method of manufacture therefore includes the step of effecting a coating on the inside of at least some of the side walls and/or base of a first material prior to the introduction of the core material where this includes expanded foam beads.
- such a method of manufacture could also apply where a core material is aerated and where it would otherwise be expected that such air bubbles would be visibly discernible from viewing of the outer surface of a block:
- the method of manufacture includes the steps of applying a first layer to at least some of the side walls and/ or the base inner surfaces of a mould as above identified prior to introduction of the core material.
- any mould defining surface is provided with a release effecting coating, either in the form of an applied release material that is applied prior to its being used for moulding or the surface of the defining shape surfaces are a non stick material.
- the prime core material at least is poured into between the core or plug portions or core or plug parts with the expectation then that this will then flow to each side of a middle area of a mould, and then rise at outer ends with finally material swamping across the top of the cores and providing a final almost flush finish on the top.
- the aggregate at least is a fine material selected from a material which has a lesser density than the aggregate used for the Portland cement in the main core material.
- scoria is one example so that Portland cement mixed with scoria as a slurry and then using this as a surface layer on the other side of a mould has been found to either sufficiently reduce or remove the effect of concern.
- the invention can also reside in a mould including or comprising a base and four side walls, each of which side walls is adjustably positioned one with respect to the other and the base and which can be raised to define a block defining shape or can be released to present its moulding surfaces uppermost for mould release and for subsequent cleaning and coating purposes.
- the invention can be said to reside in a block or brick resulting from the method as described or as a result of the use of the mould.
- Figure 1 is a perspective view of a mould according to the embodiment showing the side walls in a moulded block release position where each respective side wall is swung outwardly from a moulding position, ⁇
- Figure 2 is again a perspective view of the same embodiment as in Figure 1 in which the side walls are raised so that the mould is in a moulding position where each side wall is held together with the other side wall to define with the base a moulding shape,
- Figure 3 is a perspective view of the same embodiment as in Figures 1 and 2 illustrating in this case the way in which a core or plug is inserted through one of the side walls,
- Figure 4 is a view in perspective of the same embodiment as in the last three illustrations in this case showing the core or plug in a fully inserted position and being held with an interlocking arrangement in such position,
- Figure 5 is a cross sectional view through the view of Figure 4 including however a first slurry layer with heaped material in the centre of the base,
- Figure 6 is a cross sectional view along the lines 6/6 in Figure 5,
- Figure 7 illustrates a commencement of pouring of core material into the mould
- Figure 8 illustrates the way in which the core material will have evened out the bottom layer and is settled to be just below outer edges of the side walls defining the moulding shape
- Figure 9 illustrates a filling of a top layer
- Figure 10 illustrates a commencement of mould stripping which includes as a first step removal of the inner core or plug.
- a block is to be wet cast using a gravity casting which means that it will be allowed to set and sufficiently cured to be able to be removed while in the mould or in other words does not assume a sen supporting shape until set within the mould.
- a block has upper and lower interlocking shapes, the block having a core material and an outer surface layer because of the selection of the nature of the inner core material, it incorporates in this case a hollow interior and it is a function that in order to make moulding of such a lock economically feasible, this should be able to be moulded in a way that facilitates automation in the manufacturing techniques.
- This embodiment therefore has a base 1 which is a solid substantial member of steel having rectangular sides defining a perimeter and an upper surface 2 vhich is planar.
- brackets are shown for side wall 3 at 7 and 8.
- brackets are shown at 12 and 13.
- brackets are shown at 14, 15 and 16.
- Side wall 4 includes a central aperture 17 through which a bifurcate core 18 will pass.
- the core or plug 18 has two core or plug portions or parts 19 and 20 each of which are a tapered shape and which have an outer end at 21 in one case and 22 at the other which pass through respectively apertures 23 and 24 and these are interiocki ⁇ gly positioned by slide 25 in one case and 26 in the other where these are combined as a single slide plate 27 which are held by slides 28.
- the side walls 3 and 5 each have a slide plate 30 in one case and 31 in the other which is held by slides typically shown at 32 these being aligned so as to intersect with slot 33 and 34 on one side and 35 and 36 on the other side so that when the side walls 3, 4, 5 and 6 are in the erected position which is to say the mould defining position that locations are able to be maintained by these interlocking members.
- One of the side walls 6 further has a series of depressions shown typically at 37 which provide for casting of arcuately shaped protrusions in an eventual upper surface of a block.
- the method of using the mould is that it is first configured as in Figure 1 where it is adapted to be cleaned and of course by reason of the pivotal connections, the side walls 3, 4, 5 and 6 have their mould defining outer surfaces upper most and the base has it's upper surface available.
- this configuration with the upper surfaces being substantially copla ⁇ ar this makes it appropriate to effect a cleaning of these surfaces.
- this is a jet of high pressure hot water directed to extend as a narrow jet sweeping over all of the uppermost now exposed area of the eventually external surfaces defining outer surfaces of block from the mould.
- the surface is swept with a narrow high velocity jet of water which is expressed to exit at from 10-20 feet /sec.
- a subsequent step is drying air or in another case the surfaces which have been directly facing the moulded block being located upper most can be brushed with a rotating brush.
- the method then includes the steps of coating the inside mould defining surfaces which are respectively the inner sides of the side walls 3, 4, 5 and 6 and the upper surface of the base 2 with a release agent in accordance with known techniques, which in. this case is sprayed onto the surfaces.
- the next stage is to coat the inner surfaces of the mould defining shape on selected surfaces with a cement slurry which comprises essentially of Portland cement, sand and sufficient water for malleable hand application purposes.
- This spray head can be caused to travel in accord with a predetermined program and such that it will be caused while the spray output is constant to be slower across one area rather than another and in this way heap some of the layer material immediately beneath the bifurcate gap in the core or plug.
- Such a step is then used to coat each of the selected surfaces which may or may not be applied to all of the surfaces, depending upon the application for which a block to be cast might be used.
- This build up is to allow for the action of subsequent core material to carry with it some of the layer slurry in it's filling process but help to ensure that a sufficient thickness will eventually be caused and being relatively uniform of the layer material base 2.
- the next step in the method is to fill the mould with core material which is shown at 41 in Figure 7 and such filling will continue until the status as shown in Figure 8 is reached which leaves however a fill level which in one case is slightly below the outer perimeter edges of the respective side walls 3, 4, 5 and 6.
- the mould Once the mould has been filled as-described, it is then left to set and cure to an extent that the moulded product can then be removed from the mould for stacking and storage outside of the mould although the cement is expected to continue to cure as is traditional with Portland cement for some many days thereafter. Subsequently, ttie cores 19 and 20 are extracted, the side walls 3, 4, 5 and 6 released from the interlocking engagement and the side walls are then pulled apart to leave a block 45 which can then be separately packed, removed from being supported by the base 2 and as desired, independently further allowed to be further cured further to being distributed or used.
- the moulded product is left in the mould for a period of between several hours and 10 hours although with accelerant a period of approximately four hours is found to be sufficient. While reference is made to the cement eg Portland cement being cured it is understood that curing continues after extraction from the mould.
- the mould itself is adapted to be used in automatic handling machinery to make it economic and to this extent includes slides 46 and 47.
- the mould by reason of its features is adapted now to be directed to a cleaning station where with each of its side walls in a mould release position, each of the surfaces that are moulded product shape defining surfaces are now able to be positioned uppermost and are generally aligned to be across a approximately common plane with the base and side walls being supported on a flat supporting surface.
- this cleaning includes a jet of water that is directed to track across the surfaces sequentially.
- the extent of pressure and the volume of water will vary with the test simply being that it is sufficient to effect removal of residual masonry material.
- physically brushing can be used and in the case that the brushing is needed it is possible to reduce or even not use water at all. This may speed the subsequent treatment steps of the mould including removing a drying step.
- the mould where water has been used, is directed to a drying station where hot dry air is directed over the surface and is continued for a sufficient time to remove any residual water.
- the mould still in its mould release status is then directed to a further station where a release material such as a vegetable oil is sprayed onto the uppermost surfaces and thereafter the mould is directed to s reassembly station.
- a release material such as a vegetable oil
- the core is tapered for ease of removal and is found not to have so much residual material adhering to the surfaces. However, a customized brushing of any detected adhering material is found usually to be sufficient prior to a further application to the contact surfaces of a release agent.
- the manufacture using a wet cast process with Portland cement based masonry materials of blocks requires that such a process can be achieved in a way that allows for economic processing.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Producing Shaped Articles From Materials (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2735013A CA2735013A1 (en) | 2008-08-29 | 2009-08-31 | Block moulds and method |
EP09809128A EP2326472A4 (en) | 2008-08-29 | 2009-08-31 | Block moulds and method |
US13/060,310 US20110185672A1 (en) | 2008-08-29 | 2009-08-31 | Block Moulds and Method |
CN2009801432353A CN102216043A (en) | 2008-08-29 | 2009-08-31 | Block moulds and method |
JP2011524141A JP2012500736A (en) | 2008-08-29 | 2009-08-31 | Block type and method |
AU2009287352A AU2009287352A1 (en) | 2008-08-29 | 2009-08-31 | Block moulds and method |
BRPI0918578A BRPI0918578A2 (en) | 2008-08-29 | 2009-08-31 | block molds and method. |
IL211372A IL211372A0 (en) | 2008-08-29 | 2011-02-23 | Block moulds and method |
ZA2011/02014A ZA201102014B (en) | 2008-08-29 | 2011-03-17 | Block moulds and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2008904457 | 2008-08-29 | ||
AU2008904457A AU2008904457A0 (en) | 2008-08-29 | Block moulds and method |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010022475A1 true WO2010022475A1 (en) | 2010-03-04 |
Family
ID=41720725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2009/001129 WO2010022475A1 (en) | 2008-08-29 | 2009-08-31 | Block moulds and method |
Country Status (12)
Country | Link |
---|---|
US (1) | US20110185672A1 (en) |
EP (1) | EP2326472A4 (en) |
JP (1) | JP2012500736A (en) |
KR (1) | KR20110057194A (en) |
CN (1) | CN102216043A (en) |
AU (1) | AU2009287352A1 (en) |
BR (1) | BRPI0918578A2 (en) |
CA (1) | CA2735013A1 (en) |
IL (1) | IL211372A0 (en) |
RU (1) | RU2011111322A (en) |
WO (1) | WO2010022475A1 (en) |
ZA (1) | ZA201102014B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102581921A (en) * | 2011-11-17 | 2012-07-18 | 柳雪春 | Pneumatic pouring die opening and closing device |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102555040B (en) * | 2011-12-16 | 2015-02-04 | 黄立兵 | Die for making porous bricks by using mud and method for forming porous bricks by using die |
CN102605894B (en) * | 2012-04-10 | 2014-05-07 | 欧阳忠贞 | Building core and manufacture method of building core |
RU2516778C1 (en) * | 2012-11-06 | 2014-05-20 | Юлия Алексеевна Щепочкина | Split mould |
CN105171898B (en) * | 2015-09-10 | 2017-04-05 | 国网山东商河县供电公司 | Circular concrete pad manufacture device |
CN113070982A (en) * | 2021-05-07 | 2021-07-06 | 杨强 | Heat-preservation composite aerated brick forming device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1219011A (en) * | 1968-02-09 | 1971-01-13 | Easicast Rubber Moulds Ltd | Mould and casting method |
US3660214A (en) * | 1969-04-21 | 1972-05-02 | Merry Co Inc | Concrete block or the like with multiple brick facing and method of making the same |
GB2339403B (en) * | 1998-07-08 | 2002-12-31 | Anthony William Hardy-Harding | Casting of multiple building blocks |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH102210A (en) * | 1922-05-18 | 1923-11-16 | Bonnet Aine & Ses Fils | Process for the molding of hollow bodies into agglomerated and compressed products and device for its implementation. |
FR590906A (en) * | 1926-01-23 | 1925-06-25 | Solid or hollow stone block molding machine | |
US1905897A (en) * | 1930-07-25 | 1933-04-25 | Charles T Cahill | Mold |
FR2234752A5 (en) * | 1973-06-22 | 1975-01-17 | Trombetta Edouard | Method of forming composite building panels - involves allowing foam granules to separate from concrete within mould |
JP3092988B2 (en) * | 1991-07-17 | 2000-09-25 | ミサワホーム株式会社 | Manufacturing method of lightweight cellular concrete panel |
DE4221706C2 (en) * | 1992-07-02 | 1996-08-14 | Heidelberger Zement Ag | Process for cleaning molds |
DE19823658A1 (en) * | 1998-05-27 | 1999-12-02 | Gisoton Baustoffwerke Gebhart | Building block and method of making a concrete building block |
US6620364B2 (en) * | 2001-02-20 | 2003-09-16 | Recon Wall Systems, Inc. | Block forming apparatus and method |
DE102007052883A1 (en) * | 2007-11-02 | 2009-06-18 | Baustoffwerke Gebhart & Söhne GmbH & Co. KG | Method for producing a concrete building block and device for carrying out the method |
-
2009
- 2009-08-31 CN CN2009801432353A patent/CN102216043A/en active Pending
- 2009-08-31 BR BRPI0918578A patent/BRPI0918578A2/en not_active Application Discontinuation
- 2009-08-31 AU AU2009287352A patent/AU2009287352A1/en not_active Abandoned
- 2009-08-31 WO PCT/AU2009/001129 patent/WO2010022475A1/en active Application Filing
- 2009-08-31 US US13/060,310 patent/US20110185672A1/en not_active Abandoned
- 2009-08-31 EP EP09809128A patent/EP2326472A4/en not_active Withdrawn
- 2009-08-31 JP JP2011524141A patent/JP2012500736A/en active Pending
- 2009-08-31 CA CA2735013A patent/CA2735013A1/en not_active Abandoned
- 2009-08-31 RU RU2011111322/03A patent/RU2011111322A/en unknown
- 2009-08-31 KR KR1020117007154A patent/KR20110057194A/en not_active Application Discontinuation
-
2011
- 2011-02-23 IL IL211372A patent/IL211372A0/en unknown
- 2011-03-17 ZA ZA2011/02014A patent/ZA201102014B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1219011A (en) * | 1968-02-09 | 1971-01-13 | Easicast Rubber Moulds Ltd | Mould and casting method |
US3660214A (en) * | 1969-04-21 | 1972-05-02 | Merry Co Inc | Concrete block or the like with multiple brick facing and method of making the same |
GB2339403B (en) * | 1998-07-08 | 2002-12-31 | Anthony William Hardy-Harding | Casting of multiple building blocks |
Non-Patent Citations (1)
Title |
---|
See also references of EP2326472A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102581921A (en) * | 2011-11-17 | 2012-07-18 | 柳雪春 | Pneumatic pouring die opening and closing device |
Also Published As
Publication number | Publication date |
---|---|
BRPI0918578A2 (en) | 2015-12-01 |
RU2011111322A (en) | 2012-10-10 |
AU2009287352A1 (en) | 2010-03-04 |
US20110185672A1 (en) | 2011-08-04 |
JP2012500736A (en) | 2012-01-12 |
ZA201102014B (en) | 2011-11-30 |
IL211372A0 (en) | 2011-04-28 |
EP2326472A4 (en) | 2013-02-20 |
CN102216043A (en) | 2011-10-12 |
KR20110057194A (en) | 2011-05-31 |
CA2735013A1 (en) | 2010-03-04 |
EP2326472A1 (en) | 2011-06-01 |
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