EP0874721A1 - Betonstein, sowie verfahren zur herstellung eines solchen betonsteins - Google Patents
Betonstein, sowie verfahren zur herstellung eines solchen betonsteinsInfo
- Publication number
- EP0874721A1 EP0874721A1 EP97900594A EP97900594A EP0874721A1 EP 0874721 A1 EP0874721 A1 EP 0874721A1 EP 97900594 A EP97900594 A EP 97900594A EP 97900594 A EP97900594 A EP 97900594A EP 0874721 A1 EP0874721 A1 EP 0874721A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete block
- hammers
- pin
- grain
- visible
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
- B28D1/265—Scabbling machines or scabbling tools
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
Definitions
- the invention relates to a concrete block, in particular
- Concrete block for use as a paving stone the surface of which, after laying, is at least visible and mechanically reworked using pin-like tools.
- a well-known surface treatment for concrete blocks is the so-called "faltering".
- certain tools known as stick chisels are used, which are used not only in manual operation but also together with processing machines, usually one or more chisels being arranged in one device and being driven either mechanically, pneumatically or electrically.
- This surface treatment is not only used for concrete blocks, but also for natural stone products, whereby the aim is to create surfaces similar to natural stone.
- a corresponding device is shown and described, for example, in FR-A 1 479 556.
- the stone surface machined with such a device has a regularly repeating structure, since the machining process can only be linear.
- the present invention is therefore based on the object of creating a concrete block, the surface of which, after laying, is at least visible and is mechanically reworked in such a way that it conveys the impression of a stone actually manufactured in manual stonework.
- the essence of the present invention lies in the fact that the cement slurry has flaked off due to working with pin-like hammers, each with a blunt face, and the surface-side grain, in particular fine grain, of the concrete block has also flaked or chipped.
- the decisive factor is the rough structure of the machined surface resulting from the flaking of the cement slurry and the grain on the surface, which gives the impression of a stone made by hand-made stonework.
- the visible surface is preferably either uniform overall or reworked to a different intensity, in particular to a different depth, according to a predetermined pattern, in particular a striped pattern. In this way, the variation of laying patterns can be increased further.
- Processing depth between about 0.5 to 2.5 mm, in particular about 1.0 mm.
- the mechanical finishing of the at least visible surface of a concrete block after laying is carried out by oscillating action with pin-like hammers with a blunt striking surface in such a way that the cement slurry has flaked off and the grain on the surface, in particular fine grain, has at least partially flaked off or struck.
- the concrete blocks to be processed are moved beneath a large number of groups of oscillating-driven pin hammers arranged side by side and one behind the other.
- a large number of concrete blocks arranged next to and behind one another are moved continuously or discontinuously past the oscillatingly driven pin hammers for large-scale finishing, the groups of pin hammers height-adjusting to achieve a different processing intensity and / or depth and / or for setting a predetermined impact frequency and Have your punch controlled individually.
- This means that a wide variety of patterns can be produced in the direction of transport of the concrete blocks and across them.
- the groups of oscillatingly driven pin hammers are individually height-adjustable and individually controllable.
- Pneumatically driven pin hammers are preferably used.
- a common height adjustment of all groups of pin hammers is also conceivable, namely by lowering a common tool holder to a greater or lesser extent in association with the concrete blocks to be machined, preferably on one Conveyor belt or a conveyor chain lying under the oscillating driven pin hammers for surface processing.
- Exemplary embodiments of a concrete block processed according to the invention are explained in more detail below with reference to the attached drawing. Show it:
- FIG. 2 shows a part of a concrete block reworked according to the invention, the reworked surface of which conveys a stripe pattern;
- Figure 3 shows a modification of the embodiment of Figure 2.
- Figure 4 shows a section through a surface area of a concrete block reworked according to the invention.
- the concrete block 10 shown in FIG. 1 is mechanically reworked on its upper side 11, which is visible after laying, with oscillating pin-like hammers, each with a blunt face.
- the cement slurry 12 is chipped off at the top 11 and the grain 13 on the surface is chipped off or chipped at least partially, as can be seen very clearly in FIG.
- the chipped or chipped visible surfaces of the surface-side grain are identified in FIG. 4 by the reference number 14.
- the upper side i.e. H. the surface 11 visible after laying has been mechanically reworked uniformly overall, d. H. uniformly intense and uniformly deep.
- the finished upper side is delimited by a chamfer 17.
- the chamfer 17 extends to below the maximum machining depth for the mechanical finishing, so that no broken edges occur on the peripheral edge of the finishing top 11.
- the maximum average machining depth is between about 0.5 to 2.5 mm, preferably about 1.0 mm. This average machining depth is identified or indicated in FIG. 4 by "BT".
- the surfaces 14 of the embedded grain that have been chipped or chipped off are relatively sharp-edged. This gives the overall impression, that is, in conjunction with the chipped cement slurry between the grain lying on the surface, of the impression of a hand-worked stone surface.
- the arrangement of the oscillatingly driven pin-like hammers, each with a blunt face, is such that practically every surface grain is struck by a hammer and thus struck or broken on the surface side.
- needle- or nail-like hammers the grain on the surface is not damaged or only inconspicuously damaged. The needles slide off the grain surface and only loosen the surrounding cement slurry.
- the grain break desired here cannot be achieved with needle-shaped or nail-shaped hammers.
- These hammers are characterized by a sharp machining tip, which causes the above-mentioned sliding on the grain.
- the above-mentioned maximum average machining depth corresponds approximately to half the average fine grain diameter of the concrete block.
- the diameter of the oscillatingly driven pin-like hammers with a blunt or flat face is between 1.0 and 2.5, in particular approximately 1.5 mm.
- the processing area per hammer is correspondingly large.
- the arrangement of the pin-like hammers takes place both in the direction of transport of the concrete blocks to be machined and at right angles to each other, so that a full surface treatment is ensured.
- stones with a visible surface are also suitable for working stones, e.g. B. preformed grooves or grooves, in particular longitudinal or ring grooves, grid-like elevations or the like.
- Surface structures preferably only the protruding surfaces are reworked in the manner described, or the protruding surfaces are machined more intensively than the deeper lying surfaces. The possibility of variation can be additionally increased by the aforementioned measures.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Road Paving Structures (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19600968 | 1996-01-12 | ||
DE19600968A DE19600968A1 (de) | 1996-01-12 | 1996-01-12 | Betonstein, sowie Verfahren zur Herstellung eines solchen Betonsteins |
PCT/EP1997/000104 WO1997025191A1 (de) | 1996-01-12 | 1997-01-10 | Betonstein, sowie verfahren zur herstellung eines solchen betonsteins |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0874721A1 true EP0874721A1 (de) | 1998-11-04 |
EP0874721B1 EP0874721B1 (de) | 2002-09-18 |
Family
ID=7782635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97900594A Expired - Lifetime EP0874721B1 (de) | 1996-01-12 | 1997-01-10 | Betonstein, sowie verfahren zur herstellung eines solchen betonsteins |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0874721B1 (de) |
AT (1) | ATE224276T1 (de) |
DE (3) | DE19600968A1 (de) |
WO (1) | WO1997025191A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU751257B2 (en) * | 1998-06-11 | 2002-08-08 | Hanson Building Products Ltd | Paving block |
NL1024254C2 (nl) * | 2003-09-10 | 2005-03-14 | H & S Betonwaren B V | Werkwijze voor het vervaardigen van de betontegel, alsmede betontegel. |
DE102014105309A1 (de) | 2013-04-12 | 2014-10-16 | Lithonplus Gmbh & Co. Kg | Fahrbahngeräuschreduzierendes Betonprodukt sowie Verfahren zu seiner Herstellung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2856913A (en) * | 1957-05-06 | 1958-10-21 | Swenson Granite Co Inc John | Stone finishing machine |
FR1479556A (fr) * | 1966-03-25 | 1967-05-05 | Machine à tailler le granit | |
DE3229174A1 (de) * | 1982-08-05 | 1984-02-09 | Basf Ag, 6700 Ludwigshafen | Vorrichtung zur verteilung eines hydriergases in einem hydrierreaktor |
DE3621276A1 (de) * | 1986-06-25 | 1988-01-07 | Aicheler & Braun Gmbh Betonwer | Verfahren und vorrichtung zum kuenstlichen altern von betonsteinen |
DE3700676A1 (de) * | 1987-01-12 | 1988-07-21 | Munderkingen Betonwerke | Steinbearbeitungsvorrichtung |
DE3814148A1 (de) * | 1988-04-27 | 1989-11-09 | Sf Vollverbundstein | Verfahren und vorrichtung zum kuenstlichen altern von betonsteinen sowie kuenstlich gealterter betonstein |
DE8810188U1 (de) * | 1988-08-10 | 1988-12-15 | Schindler Steinbearbeitungsmaschinen-Anlagentechnik GmbH, 8400 Regensburg | Stockmaschine |
DE8900099U1 (de) * | 1989-01-05 | 1989-03-30 | Nelles, Willy, 5067 Kürten | Mauerstein |
-
1996
- 1996-01-12 DE DE19600968A patent/DE19600968A1/de not_active Ceased
-
1997
- 1997-01-10 WO PCT/EP1997/000104 patent/WO1997025191A1/de active IP Right Grant
- 1997-01-10 DE DE29700358U patent/DE29700358U1/de not_active Expired - Lifetime
- 1997-01-10 AT AT97900594T patent/ATE224276T1/de not_active IP Right Cessation
- 1997-01-10 EP EP97900594A patent/EP0874721B1/de not_active Expired - Lifetime
- 1997-01-10 DE DE59708261T patent/DE59708261D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9725191A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19600968A1 (de) | 1997-08-07 |
DE59708261D1 (de) | 2002-10-24 |
EP0874721B1 (de) | 2002-09-18 |
ATE224276T1 (de) | 2002-10-15 |
DE29700358U1 (de) | 1997-03-13 |
WO1997025191A1 (de) | 1997-07-17 |
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