AU2012100879A4 - Bricks, blocks and pavers - Google Patents
Bricks, blocks and pavers Download PDFInfo
- Publication number
- AU2012100879A4 AU2012100879A4 AU2012100879A AU2012100879A AU2012100879A4 AU 2012100879 A4 AU2012100879 A4 AU 2012100879A4 AU 2012100879 A AU2012100879 A AU 2012100879A AU 2012100879 A AU2012100879 A AU 2012100879A AU 2012100879 A4 AU2012100879 A4 AU 2012100879A4
- Authority
- AU
- Australia
- Prior art keywords
- brick
- block
- aggregate
- glass
- paver 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.)
- Ceased
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
C NRorbl\DCC\EJ.\4397747_ LDOC- 14/(/2012 A brick, block, or paver including an aggregate of recycled glass, at least one face having a surface treatment to expose the glass. In a preferred embodiment the product consists of aggregate mixed with cement, the recycled glass aggregate forming between 10% and 100% of the overall aggregate in the mix.
Description
Regulation 3.2 AUSTRALIA Patents Act 1990 INNOVATION PATENT SPECIFICATION ORIGINALL) Name of Applicant: Island Block & Paving Pty Ltd of Midlands Highway, Breadalbane, Tasmania 7300, Australia Actual Inventor: Phil Thurlow Address for Service: DAVIES COLLISON CAVE, Patent Attorneys, 1 Nicholson Street, Melbourne 3000, Victoria, Australia Innovation Patent specification for the invention entitled: "Bricks, blocks, and pavers" The following statement is a full description of this invention, including the best method of performing it known to us: C kNRPortbI\DCC\EJL\41')7747_ tDOC-141ItJ21I 2 BRICKS, BLOCKS, AND PAVERS 100011 The present invention relates to bricks, building blocks, retaining wall blocks and pavers and more particularly to the use of crushed recycled glass within their composition. 100021 Concrete bricks, blocks and pavers typically consist of a mixture of aggregate and cement. A ratio of 10:1 of the aggregate to cement in the mix would be typical although that ratio can be changed according to requirements. Although the aggregate may consist wholly of quartz sand, some of that sand in the mix may be replaced by blue metal dust in order to change the colour and/or surface texture of the finished product. For example in a mix where the aggregate is wholly quartz sand used in the general ratio indicated above, the finished product may have a relatively light sandy colour whereas in a mix in which the quartz sand component is replaced by 60 percent blue metal dust, the finished product will be of a grey colour (the percentages given herein are by weight). 100031 The present invention proposes replacing some or all of the quartz sand and/or blue metal dust in the mix with crushed recycled glass (glass sand). This not only provides an effective usage for recycled bottles, but, importantly, by applying an appropriate surface treatment to the product following casting and curing, the glass sand on the surface of the product is exposed to varying degrees to create a glistening finish. This concept is applicable not only to concrete bricks, blocks and pavers but also to clay bricks. 100041 According to the invention, there is provided a brick, block, or paver including an aggregate of recycled glass, at least one face having a surface treatment to expose the glass. 100051 The invention will now be further described by way of example only. In a preferred embodiment, in the production of concrete bricks, blocks and pavers between 10% and 100% of the aggregate in the mix and normally formed either by quartz sand or a mixture of quartz sand and blue metal dust is constituted by recycled glass aggregate (glass sand) formed from crushed recycled glass bottles of various colours. More particularly the C.\NR~onbl\D~1CC\E]L\m 747_ IDOC-14/0W~2"i 2 -2 glass sand preferably consists of between 20% and 50% of the overall aggregate in the mix. With a minimum content of 20% recycled glass aggregate the finished product will comply with certain current standards established for use of recycled materials in various building codes and the like. While the use of recycled material within the product is of importance from an environmental consideration, nevertheless what is also of significance is that a range of surface finishes can be achieved with the incorporation of the recycled glass aggregate and for that it is considered that it would represent a maximum of about 50% of the aggregate within the mix. Preferred mixes will now be given by way of example only. I - Natural grey building block mix: 80kg grey cement, 500kg metal dust (max particle size 7mm), 180kg glass sand, 120kg quartz sand. Glass component 20% of overall mix. 2 - Brick, paving and coloured block mix: 80kg white cement, 250kg glass sand, 550kg quartz sand. Glass component 28% of overall mix. 3 - Brick, paving and coloured block mix: 80kg white cement, 350kg glass sand, 450kg quartz sand. Glass component 40% of overall mix. 100061 In the preferred embodiment the particle size of the recycled glass aggregate is approximately 7mm or less with the majority of it having a particle size of approximately 2.5mm or less. The following below gives the particle size distribution of a batch of suitable recycled glass aggregate determined in accordance with AS 1289.3.6.1 C \NRPorb]\DCOEJL\4397747 I DOC.14AW/2012 -3 TABLE AS Sieve % (mm) Passing 9.5 100 6.7 98 4.75 91 2.36 67 1.18 42 0.600 27 0.425 21 0.300 17 0.150 10 0.075 6 100071 Following casting and curing of the cement/aggregate mix to a required degree that or those surfaces of the product which are likely to be exposed in use are subject to a surface treatment to expose the glass aggregate to different degrees and to provide different surface finishes. In practice one of the following surface treatments may be used, to be selected in accordance with the finish required. 1. Washing the surface with hydrochloric acid or similar to expose and highlight the glass to create a smooth finish with highlighted glass. This may be termed as a washed finish. 2. Shot blasting the face with steel shot or blast sand to expose the glass to create a rough but even finish with highlighted glass. This may be termed as an exposed finish. 3. Grinding the face with grinding wheels or similar to expose the glass to create a smooth even finish with highlighted glass. This may be termed as a honed finish. 4. Polishing the face using normal concrete polishing techniques to expose the glass to create a smooth polished finish with highlighted glass. This may be termed as a polished finish.
C:\NRP bIl\DCC\EJL\W97741 DOC-14/6/20 12 -4 5. Brushing the face with diamond brushes or similar to expose the glass to create a rough but even finish with highlighted glass. This may be termed as a brushed finish. 6. Saw cutting the face of the finished product with a brick cutting saw or similar to expose the glass to create a smooth but even finish with highlighted glass. This may be termed as a saw cut finish. 100081 The recycled glass aggregate can also be incorporated into the mix for producing clay products, particularly bricks, up to a maximum of about 15% as the presence of significant amounts of sand in the mix can cause difficulties in manufacturing. Suitable surface finishes for clay bricks to expose the glass include shot blasting and grinding as discussed to provide required surface finishes with exposed and highlighted glass. As an alternative, the glass aggregate could be incorporated just into the surface zone of the brick during manufacture, followed by an appropriate surface treatment such as shot blasting or grinding.
Claims (15)
1. A brick, block, or paver including an aggregate of recycled glass, at least one face having a surface treatment to expose the glass.
2. A brick, block, or paver according to claim I consisting of aggregate mixed with cement, the recycled glass aggregate forming between 10% and 100% of the overall aggregate in the mix.
3. A brick, block, or paver according to claim 2, wherein the recycled glass aggregate represents between 20% and 50% of the overall aggregate in the mix.
4. A brick, block, or paver according to claim 3, wherein the remainder of the aggregate in the mix is quartz sand or quartz sand and blue metal.
5. A brick, block, or paver according to any one of claims 1 to 4, wherein the surface treatment is a washed finish formed by an acid wash to expose the glass.
6. A brick, block, or paver according to any one of claims I to 4, wherein the surface treatment is shot blasting or sand blasting to expose the glass.
7. A brick, block, or paver according to any one of claims I to 4, wherein the surface treatment consists of grinding to create a smooth even finish.
8. A brick, block, or paver according to any one of claims I to 4, wherein the surface treatment is a polishing treatment which provides a smooth polished finish.
9. A brick, block, or paver according to any one of claims I to 4, wherein the surface treatment consists of brushing to expose the glass to create a relatively rough but even finish.
10. A brick, block, or paver according to any one of claims I to 4, wherein the surface C:\NRPorhiblDCC\EJL\439)7717_ I.DOC-14/06/12(112 -6 treatment consists of a saw cut finish to expose the glass to create a relatively smooth but even finish.
11. A brick, block or paver according to claim I composed of clay in which the recycled glass aggregate represents up to approximately 15% of its composition.
12. A brick, block or paver having on at least one face thereof exposed aggregate of recycled glass.
13. A brick, block or paver according to claim 12 composed of a mix of aggregate and cement.
14. A brick, block or paver according to claim 12 composed substantially of clay.
15. A brick, block or paver according to any one of the preceding claims, wherein the particle size of the recycled glass aggregate is approximately 7mm or less.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012100879A AU2012100879A4 (en) | 2012-06-14 | 2012-06-14 | Bricks, blocks and pavers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012100879A AU2012100879A4 (en) | 2012-06-14 | 2012-06-14 | Bricks, blocks and pavers |
Publications (1)
Publication Number | Publication Date |
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AU2012100879A4 true AU2012100879A4 (en) | 2012-07-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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AU2012100879A Ceased AU2012100879A4 (en) | 2012-06-14 | 2012-06-14 | Bricks, blocks and pavers |
Country Status (1)
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AU (1) | AU2012100879A4 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103978437A (en) * | 2014-05-29 | 2014-08-13 | 江苏龙城铸造机械科技有限公司 | Shot blasting machine for processing moving steel wire |
CN103978439A (en) * | 2014-05-29 | 2014-08-13 | 江苏龙城铸造机械科技有限公司 | Meshed belt type shot-blast cleaning machine |
CN103978435A (en) * | 2014-01-21 | 2014-08-13 | 广东科达机电股份有限公司 | Novel porcelain tile surface processing method and apparatus |
CN103978436A (en) * | 2014-01-21 | 2014-08-13 | 广东科达机电股份有限公司 | Novel porcelain tile surface processing method and apparatus |
CN103978438A (en) * | 2014-05-29 | 2014-08-13 | 江苏龙城铸造机械科技有限公司 | Pass-type shot-blast cleaning machine for steel strip |
CN103978440A (en) * | 2013-12-31 | 2014-08-13 | 广东科达机电股份有限公司 | Swing-type ceramic tile surface slinging impact moulding machine |
-
2012
- 2012-06-14 AU AU2012100879A patent/AU2012100879A4/en not_active Ceased
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103978440A (en) * | 2013-12-31 | 2014-08-13 | 广东科达机电股份有限公司 | Swing-type ceramic tile surface slinging impact moulding machine |
CN103978440B (en) * | 2013-12-31 | 2017-02-15 | 广东科达洁能股份有限公司 | Swing-type ceramic tile surface slinging impact moulding machine |
CN103978435A (en) * | 2014-01-21 | 2014-08-13 | 广东科达机电股份有限公司 | Novel porcelain tile surface processing method and apparatus |
CN103978436A (en) * | 2014-01-21 | 2014-08-13 | 广东科达机电股份有限公司 | Novel porcelain tile surface processing method and apparatus |
CN103978435B (en) * | 2014-01-21 | 2017-05-31 | 广东科达洁能股份有限公司 | Ceramic polishing brick surface new method for processing and device |
CN103978437A (en) * | 2014-05-29 | 2014-08-13 | 江苏龙城铸造机械科技有限公司 | Shot blasting machine for processing moving steel wire |
CN103978439A (en) * | 2014-05-29 | 2014-08-13 | 江苏龙城铸造机械科技有限公司 | Meshed belt type shot-blast cleaning machine |
CN103978438A (en) * | 2014-05-29 | 2014-08-13 | 江苏龙城铸造机械科技有限公司 | Pass-type shot-blast cleaning machine for steel strip |
CN103978438B (en) * | 2014-05-29 | 2017-05-10 | 江苏龙城铸造机械科技有限公司 | Pass-type shot-blast cleaning machine for steel strip |
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FGI | Letters patent sealed or granted (innovation patent) | ||
MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry | ||
NA | Applications received for extensions of time, section 223 |
Free format text: AN APPLICATION TO EXTEND THE TIME FROM 14 JUN 2014 TO 14 FEB 2015 IN WHICH TO PAY A RENEWAL FEE HAS BEEN FILED . |
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NB | Applications allowed - extensions of time section 223(2) |
Free format text: THE TIME IN WHICH TO PAY A RENEWAL FEE HAS BEEN EXTENDED TO 14 FEB 2015 . |
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MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |