• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Method for roughing concrete floor element (3), characterized in that a surface of the concrete floor element (3) provided for plastering is buffered.
    公开号:BE1020018A3
    申请号:E201000553
    申请日:2010-09-16
    公开日:2013-04-02
    发明作者:
    申请人:Echo；
    IPC主号:
    专利说明:

    Method for roughing concrete floor elements and device therefor
    This invention relates to a method for roughing concrete floor elements according to the preamble of the first claim. The present invention also relates to a device for performing the method according to the present invention.
    Concrete floor elements have been used for a long time in the construction sector and have many advantages. Often after laying, a surface of the cured concrete floor elements is still provided with a finishing layer such as, for example, a plaster layer. However, it is necessary that the plaster layer adheres sufficiently to the concrete cured floor element. It is already known to those skilled in the art that the structure of the surface on which the plaster will be applied plays an important role in the adhesion of the plaster layer to the concrete surface.
    For this purpose, for example, already cured concrete floor elements are known in which the surface on which the plaster layer will be applied has a rough macroscopic structure. BE1008835, for example, already describes two methods for producing cured concrete floor elements with a rough surface that is provided to be plastered. In a first method, the concrete is poured into a vibrating form, the side of the concrete floor element that came into contact with the bottom of the vibrating form being considerably smoother than the opposite side of the concrete floor element. According to another method, a relief is provided in the bottom of the vibrating mold which causes a structure in the surface of the concrete floor element that abuts against the bottom of the vibrating mold. This structure can be adapted to the adhesion of a plaster layer.
    Although the aforementioned bonding methods do provide a larger bonding surface, the adhesion of the plaster layer to the cured concrete floor element is often still insufficient.
    It is therefore an object of the present invention to provide a method in which it becomes possible to form a better adhesion between the cured concrete floor element and a plaster layer.
    This object is achieved in accordance with the feature of the first claim.
    For this purpose, a surface of the concrete floor element provided for plastering is buffered.
    Without wishing to be bound by any theory, the inventor found that cured concrete has a dense surface structure; either by mechanical compaction or by means of self-compacting properties. Such a compacting of the concrete, however, reduces the contact surface between the concrete floor element and the plaster layer on a microscopic scale with a lesser adhesion as a result.
    However, by machining a cured concrete floor element by buffering, the inventor found that the surface of the concrete floor element provided for plastering is again roughened on both a macroscopic and microscopic scale so that the total adhesion capacity of the concrete floor element is considerably increased.
    Without wishing to be bound by any theory, the inventor found that by buffering the surface of the concrete floor element to be plastered, the dense cement skin present on the outer surface of the concrete floor element is swept away, thereby forming a rough structure on a macroscopic scale but also a permeable surface is created on a microscopic scale. The macroscopic and microscopic structure of the surface to be plastered in this way surprisingly provides improved adhesion of the plaster layer to the concrete surface to be plastered.
    In preferred embodiments of the method according to the present invention, the floor element is bush hammered by a bushing element. The inventor found that such a bushing element permits simple processing of the floor element.
    According to further embodiments of the method according to the present method, the floor element is moved beyond the bushing regulation and is thereby buffered. Such an embodiment allows to floor the floor element in a continuous arrangement so that large numbers of floor elements can be processed.
    According to further embodiments of the method according to the present invention, the floor element is moved over the bushing element. It has been found that such an arrangement allows a floor element to be processed under the influence of its weight on the bushing element and that it thereby often becomes unnecessary to press the floor element against the bushing element.
    According to further embodiments of the method according to the present invention, the floor element is bush-hammered in a circular motion. After all, such a movement can easily be caused, for example, by a reciprocating movement of, for example, the bushing element. A complete circular movement of the bushing element is of course also possible to bush-floor the floor element. In further embodiments, the bushing element performs the rotating movement driven by a shaft.
    According to preferred embodiments of the method according to the present invention, protrusions are provided on the bushing element to boucharise the surface to be plastered. It was found that such protrusions allow for a simple machining of the surface of the concrete floor element.
    According to further embodiments of the method according to the present method, the protrusions are provided on the outer wall of at least one rotatably arranged cylinder, the axis of rotation of the cylinder being substantially parallel to the surface of the floor element to be plastered.
    According to further embodiments of the method according to the present method, the axis of rotation of the cylinder is substantially perpendicular to the rotational movement of the bushing element. It has been found that such cylinders allow easy processing of the floor element, in particular when the bushing element performs a rotating movement on the floor element. Particularly when the axis of rotation of the cylinder is substantially perpendicular to the rotational movement of the bushing element, a simpler machining of the floor element is achieved.
    In further preferred embodiments, the cylinder is driven in the rotating movement of the bushing element through the shaft because the cylinder with the protrusions rolls over the surface of the floor element. After all, such a movement of the cylinders can easily be achieved.
    The invention also relates to a device for roughing a concrete floor element which comprises a bushing element for buffering a surface of the concrete floor element provided for plastering.
    According to preferred embodiments of the device according to the present invention, the device comprises a supply unit for transporting the floor element over the bushing element. Such supply devices make it possible to effect a more continuous processing of the floor elements.
    In further embodiments of the device according to the present invention, the bushing element is arranged drivably by a shaft in a circular motion.
    In further embodiments of the device according to the present invention, the bushing element is provided with protrusions for bushing the surface to be plastered.
    In preferred embodiments of the device according to the present invention, the protrusions are provided on the outer wall of at least one rotatably arranged cylinder, wherein the axis of rotation of the cylinder is preferably substantially parallel to the surface of the surface element of the floor element to be plastered.
    In preferred embodiments of the device according to the present invention, the axis of rotation of the cylinder is substantially perpendicular to the rotating movement of the bushing element.
    In preferred embodiments, the cylinder is provided to be driven in the rotating movement of the bushing element through the shaft because the cylinder with the protrusions rolls over the surface of the floor element.
    The invention further relates to a concrete floor element treated with the method according to the present invention, wherein the surface of the concrete floor element provided for plastering is provided with plastering.
    The invention also relates to a method for plastering a floor element, wherein the floor element is subjected to the method according to the present invention, whereafter plastering is applied to the floor element on the bush-hammered surface of the concrete floor element.
    The invention will be further elucidated on the basis of the description below and the accompanying figures of preferred embodiments of the device and method according to the present invention.
    Figure 1 shows an overview of the operation of the method and device according to the present invention.
    Figure 2 shows an overview of a part of the device according to the present invention.
    The operation of such a device and method is shown, for example, in Figure 1.
    The device 1 shown in Figure 1 comprises a bushing element 2 which is provided for supporting at least a part of a concrete floor element 3. The surface of the concrete floor element 3 to be plastered is at least partially, preferably completely, slid over the bouchar part element 2 as shown in figure 1. During the sliding of the concrete floor element 3 over the bouchard element 2, the surface provided for moving are plastered over the bushing element 2 and the bushing element 2 hereby bouches the surface of the concrete floor element 3.
    The floor element 3 is preferably slid over the bushing element 2 driven by a supply unit. Such a supply unit is for instance a conveyor belt which is provided for transporting the floor element 3 over the bushing element. Preferably, a discharge unit is also provided which further transports the worked floor element 3 after it has been processed at least partially to, for example, a storage location.
    However, it is not necessary for the floor element 3 to be moved over the bushing element 2. The bushing element 2 and the floor element 3, on the other hand, only need to be in contact with each other in order to make bushing possible, for example by being pressed against each other, wherein the bushing element 2 and the floor element 3 are moved relative to each other. For example, it is also possible to push the bushing element 2 against the floor element 3, for example from above, sideways, etc. It is also possible to move the bushing element 2 relative to the floor element 3, whereby the floor element 3 remains substantially stationary. However, the inventor found that by moving the floor element 3 and keeping the bushing element 2 substantially still, the drive of the bushing element 2 remains simple. Also, the pressing force exerted by the floor element 3 on the bushing element 2 by the weight of the floor element 3 often proves sufficient, so that pressing the bushing element 2 against the floor element 3 becomes superfluous.
    The buffering element 2 is preferably provided with protrusions 6 which are provided for buffering the surface to be plastered. The protrusions 6 are provided in order to move pieces of the surface of the concrete floor element 3 away from the surface of the concrete to be plastered when moving the bushing element 2.
    The protrusions 6 are preferably made of steel, more preferably hardened steel, in order to prevent damage to the protrusions 6 by contact with the floor element 3.
    The protrusions are preferably provided on the outer wall with at least one and preferably a plurality of rotatably arranged cylinders 7, wherein the rotational axes of the cylinders 7 are preferably substantially parallel to the surface of the surface element 3 of the floor element to be plastered.
    Preferably, the bushing element 2 is provided for rotating the surface to be plastered. The rotating movement can be caused by turning the bushing element 2 completely around or to and fro. Although the rotation of the buffering element 2 relative to the floor element 3 gives a sufficient result, the inventor found that patterns can be made in the concrete floor element by causing the buffering element 2 to make a reciprocating movement.
    If the bushing element 2 is provided to make a rotating movement, back and forth or completely round, over the surface of the concrete floor element 3 to be plastered, the bushing element 2 preferably comprises a round supporting surface 4 driven by a shaft 5, such as shown in figure 1. The supporting surface 4 is preferably provided such that it is parallel to the surface of the floor element 3 to be plastered, the supporting surface comprising openings from which the protrusions 6 of the cylinders 7 can exit for bouchering the surface to be plastered from the floor element 3 when rotating the cylinders 7 around their respective axes of rotation. The supporting surface 4 is preferably nevertheless arranged such that it at least partially supports the surface of the floor element 3 to be plastered when the floor element 3 moves over the bushing element 2. It was found that the supporting surface 4 shields the cylinders 7 without impeding their functionality and, in addition, supports the floor element 3 when moving the floor element 3 over the bushing element 2.
    If the rotatably arranged cylinders 7 are provided, the rotational axes of the cylinders 7 are preferably arranged such that the rotational axes of the cylinders 7 are parallel to the plane of the surface of the floor element 3 to be plastered and perpendicular to the rotational movement of bushing element 2.
    The rotatably arranged cylinders 7 do not have to be driven directly, although this is possible, but can be driven in their rotational movement by the rotational movement of the bushing element 2 in the sense entirely by means of the shaft 5. Herein the cylinders 7 roll with their protrusions 6 over the surface of the floor element 3.
    Figure 2 shows the bushing rule 2 of Figure 1 with the support surface 4 removed. Figure 2 shows that the protrusions 6 are provided on the outer wall with a plurality of rotatably arranged cylinders 7, the rotation axes of the cylinders 7 preferably lying substantially parallel to the plane of the support surface 4, not shown in Figure 2. The cylinders 7 are more preferably located at different distances from the axis 5, as can be seen further from Figure 2. In a further preference, the distance of the cylinders 7 from the axis 5 is adjustable and the cylinders 7 are arranged for example slidingly along a direction perpendicular to the axis 5.
    权利要求:
    Claims (20)
    [1]
    Method for roughing concrete floor elements (3), characterized in that a surface of the concrete floor element (3) provided for plastering is buffered.
    [2]
    Method according to claim 1, characterized in that the floor element (3) is bush-hammered by a bush-element (2).
    [3]
    Method according to claim 2, characterized in that the floor element (3) is moved past the bushing element (2) and is thereby buffered.
    [4]
    Method according to claim 3, characterized in that the floor element (3) is moved over the bushing element (2).
    [5]
    Method according to one of claims 1 to 4, characterized in that the floor element (3) is bush-hammered in a circular motion.
    [6]
    Method according to claim 5, characterized in that the rotating movement is a reciprocating movement.
    [7]
    Method according to claim 6 in combination with one of claims 2-4, characterized in that the bushing element (2) performs the rotating movement driven by a shaft (5).
    [8]
    Method according to one of claims 2 to 7, characterized in that protrusions (6) provided on the bushing element (2) bouchard the surface to be plastered.
    [9]
    Method according to claim 8, characterized in that the protrusions (6) are provided on the outer wall with at least one rotatably arranged cylinder (7), the axis of rotation of the cylinder (7) being substantially parallel to the surface of the floor element to be plastered (3).
    [10]
    Method according to claim 9, characterized in that the axis of rotation of the cylinder (7) is preferably substantially perpendicular to the rotational movement of the bushing element (2).
    [11]
    Method according to claim 10 in combination with one of claims 5-7, characterized in that the cylinder (7) is driven in the rotating movement of the bushing element (2) through the shaft (5) in that the cylinder (7) rolls over the surface of the floor element (3) with the protrusions (6).
    [12]
    A method for plastering a floor element (3) wherein the floor element (3) is subjected to the method according to one of the preceding claims, after which plastering is applied to the floor element (3) on the bush-hammered surface of the concrete floor element.
    [13]
    Device for performing the method according to one of the preceding claims, comprising a bushing element (2) provided for bushing the floor element (3).
    [14]
    Device according to claim 13, characterized in that the device comprises a feed unit for transporting the floor element (3) over the bushing element (2).
    [15]
    Device according to claim 13 or 14, characterized in that the bushing element (2) is arranged so as to be rotatable by a shaft (5).
    [16]
    Device according to one of claims 13 to 15, characterized in that the bushing element (2) is provided with protrusions (6) to bouchard the surface to be plastered.
    [17]
    Device according to claim 16, characterized in that the protrusions (6) are provided on the outer wall with at least one rotatably arranged cylinder (7), the axis of rotation of the cylinder (7) being substantially parallel to the surface of the surface to be plastered of the floor element (3).
    [18]
    Device according to claim 17, characterized in that the axis of rotation of the cylinder is preferably substantially perpendicular to the rotating movement of the bushing element (2).
    [19]
    Device according to claim 18, characterized in that the cylinder (7) is provided to be driven in the rotating movement of the bushing element (2) through the shaft (5) in that the cylinder (7) with the protrusions (6) rolls over the surface of the floor element (3).
    [20]
    Concrete floor element (3) treated with the method according to one of claims 1 to 11, wherein the surface of the concrete floor element provided for plastering is provided with plastering.
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    同族专利:
    公开号 | 公开日
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE9409855U1|1994-06-17|1994-08-04|Hans Sauer Gmbh|Machining head for rotating material-removing machining using a motor-driven tool|
    WO2006039811A1|2004-10-15|2006-04-20|Oldcastle Building Products Canada Inc.|Aging apparatus for aging an artificial stone|
    WO2008088908A1|2007-01-19|2008-07-24|Epoxi-Tech, Inc.|Improved abrasive preparation device with an improved abrasive element assembly|
    法律状态:
    2014-03-31| RE| Patent lapsed|Effective date: 20130930 |
    优先权:
    申请号 | 申请日 | 专利标题
    BE200900569|2009-09-16|
    BE200900569|2009-09-16|
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