CA2021914A1 - Floor covering, in particular for the tread surface of cattle stalls - Google Patents
Floor covering, in particular for the tread surface of cattle stallsInfo
- Publication number
- CA2021914A1 CA2021914A1 CA002021914A CA2021914A CA2021914A1 CA 2021914 A1 CA2021914 A1 CA 2021914A1 CA 002021914 A CA002021914 A CA 002021914A CA 2021914 A CA2021914 A CA 2021914A CA 2021914 A1 CA2021914 A1 CA 2021914A1
- Authority
- CA
- Canada
- Prior art keywords
- floor
- panel according
- ribs
- discrete
- panels
- 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.)
- Abandoned
Links
Landscapes
- Housing For Livestock And Birds (AREA)
Abstract
ABSTRACT A floor covering panel adapted to be securable in interlocked relation with adjacent ones of a plurality of other such panels, in supported relation on a framework for securing the interlocked panels in spaced apart relation from an underlaying floor. Each panel defines at least a part of a discrete floor portion bounded on the panel by raised ribs and having a tread surface which extends outwardly and downwardly away from those bounding ribs to form a generally central depression in the discrete floor portion. Each such portion has an at least one drainage slot extending across a substantial proportion of the discrete floor portion.
Description
~IELD OF THE INVENTION 2 ~
The present invention relates to raised floor covering panels with provision for drainage therethrough, and especially to panels useful in livestock stalls.
BACKGROUND OF THE IMVENTION
Flooring in livestock stalls should provide relatively safe and comfortable accommodation for both standing and supine livestock; should easily pass waste products through the floor of cleaning; and, should be durable and cos effective.
One product that has been previously used in livestock stalls applications is described in GB - PS 21 36 472. In accordance with the disclosure of this reference a floor covering is provided in which tread surfaces are arranged at a uniform height, across the upper horizontal surfaces of molded ~looring panels. Ribbing extends upwardly from those horizontal surfaces. In use, however, it has been ~ound that when the animals move ~rom a supine to a standing posture, they tend to trip on the ribbing, particularly in the case of hogs. When standing, the ribbing may cause pressure points under the animals hooves. In addition, khe ribbing is believed to be very uncomfortable for the animals when they are laying down, It has also been noted that the animals hooves tend to latten the ribbing, so that over time the flooring surface becomes flattened and slippery~ In such cases, large sections of the floor covering must be replaced to prevent accidents.
This results in high costs, having to do primarily with the high replacement cost of these molded panels.
I~here remains a need, therefore, Eor improved flooring useful in, inter alia, livestock stall applications.
SUMMA~Y OF THE INVENTION
In accordance with one aspect of the present invention there is provided a floor covering panel adapted to be securable in interlocked relation with adjacent ones of a plurality of other such panels, in supported relation on a framework for securing the interlocked panels in spaced apart relation from an underlaying floor. ~ach panel defines at least a part oE a discrete floor portion bounded by raised ribs and having a treacl surfaGe which extends outwardly and downwardly away from said bounding ribs to form a generally central clepression in the discrete floor portion. The discrete floor portion is further character:ized by an at least one, and preferably a plurality o~ drainage slots arranged in generally parallel relation to one another, extending across a substantial proportion of the discrete floor portion.
Generally, these molded panels may be made of synthetic materials, such as polypropylene, using known die-casting 2 ~
~echniques. These molded panels are applied onto a grid-like ~ramework comprising a plurality of flat-bar steel dormers that are adapted to bear most of the bearing load that is transmitted through the floor covering. The molded panels should preferably have a square sectional plan but may also be rectangular, and arranged and sized so that their edges are positionable along the underlaying dormers of the supporting framework. The panels interlock in both directions so as to produce a continuous floor covering. As a result, any given stall surface may be covered without any openings using this floor covering.
This interlocking is preferably achieved in part through toothing arranged along two mutually opposite edges of each panel, which toothing forms an interference-type of lapped horizontal seam and helps to prevent any substantial space from being formed between adjacent, mutually secured, molded panels. The molded panels edges are thereby prevented from shifting away from one another. The other two mutually opposed edges of each of the molded panels are provided with tip-stretched pins and brackets which lock the pins vertically. This prevents the floor covering ~rom being lifted from the grid in normal use, and it remains firmly in place on the flat-bar steel dormers o~ the grid in the other direction.
The molded sections have a system of vertical profiles and special overlapping flanges which take up the static and 2 ~
~ynamic loadings on the floor. These include the vertically extending side walls that border the slots mentioned above.
The panels should b2 built to carry the anticipated floor loading without appreciable bending. As already mentioned, the top surface of the panels which kogether make up the present floor covering are provided with longitudinal and latitudinal ribbing which amongst ~ther things serve to define the earlier referred to discrete surface portions. This ribbing also affords a protection against slipping, by forming two raised barriers that for all practical purposes intersect with one another over the surface of the flooring, such that the hooves of standing animals are not as easily disposed to slipping. As a result, the animals are better ahle to keep their balance~ The slots in the discrete surface portions do not interrupt the ribbing, so that the ribbing also contributes to the strengthening the molded panels in the direc-tion of the main load.
This floor covering may be laid anywhere liquid and solid droppings are present which must be drained down through the floor covering. A preferred field of application for the invention is in livestock stalls, and especially in cattle and pig stalls. The liquid droppings flow down through the slots in the covering, while the solid components are pressed throuyh the ~loor by the hooves of the livestock occupying the stall that is so equipped.
In general, the present invention provides for central 2 ~
~epressions arranged in each of the discrete surface portions that are bounded by the raised ribs. These depressions are form~d in the floors surface, which in pro:Eile is such that it falls outwardly and downwardly away from each of the surrounding ribs. As a result of the central depression that is thereby formed, a resident animals hooves slip to the middle of the discrete surface portion. Two things happen as a consequence of this action. Firstly, there is an improved distribution in the overall wear on the floorings surface, with the result that the ribs and the discrete surface portions tend to wear more uniformly, which in turn preserves the relative height of the ribs above the discrete surface portions and helps to avoid any increase in animals tripping as the flooring wears through normal use. The animals stand safely until the usable thickness of the molded panels has been used up. Thanks to the invention, there is no more need to replace the molded panels prematurely because of the flattening out of the ribs that previously was the tendency owing to their relatively raised profile and the fact that they tended to attrac-t a disproportionate amount or surface wear.
A second advantage to the depressions in the discrete surface portions of the present invention is also related with the rubbing of the depressions bv the hooves. This rubbing action helps transfer the solid components of the droppings to the slots and presses them through. As a result, the tread surfaces are cleaned out faster.
2 ~ ? ~
In addition, the invention has the advantage of adapting the floor covering to the natural body movements of the animals, especially sows, in all of their positions. This contributes to kheir well-heing, particularly in the case of sows and piglets.
The invention may be implemented so that the desired rubbing on the sides of the depressions does not bother the animals much, especially if the profile of the flooring surface associated with the discrete surface portions is gently graded away from the raised ribs. This is especially so if the surface is smoothly curved so as to enhance the limited slip of the animals hooves towards the lowermost extent of the depressions, which has the concomitant effect of enhancing the distribution of the wear over the surface of the flooring in general.
Notwithstanding a better overall distribution of floor surface wear, there my be some portions of the floor in which wear may result in an increase in ~he relative height of the ribs above the adjacent discrete surface potions. By providing surface features on the ribbing, however, any consequential difficulty in an animals nego-tiating such an exaggerated rib is offset.
In addition, the invention provides for a layout of the ribs and discrete surface portions which, for all practical U~rposes, produces a continuous and regular patte ~ iny throughout the tread surface of the floor covering. This too helps to ensure that wear is more uniformly distributed over the whole of the flooring surface. The fact that the panels are joined along edges that are in Eact intermediate the discrete surface portions avoids juxtaposition of ribs that might therefore be more resistant to wear and exacerbate any increase in height of any such juxtaposed ribs relative to the discrete surface portions of the flooring during the course of normal wear.
DETAILED DESCRIPTION OF THE INVENTION
The following example of implementation will help illustrate the invention, during the course of the description of which reference will be made to the appended drawings.
INTRODUCTION TO THE DRAWINGS
Figure 1 shows an exploded view of an assembled floor covering with plan view of the molded panels;
Figure 2 shows a latitudinal-section along line II - II of Figure l;
- 2 ~ 2 ~
Figure 3 shows a sectional view along line III - III of Figure l; and, Figure 4 shows an enlargement of the sectional view along line IV - IV of Figure 1~
The floor covering 1 shown in Figure 1 is especially designed for tread sur~aces of livestock stalls. It is made up of identical plate-shaped molded panels 2 to 5. The figure does not show the features of molded panels 4 and 5. Each molded panel is provided, on two opposite edges 6 and 7, with a set of teeth formed by trapezoid spaces 8 and trapezoidal teeth which are arranged so that the other two molded panel edges 40 and 41 interlock with the corresponding edges of the adjoining molded panels. These edges are provided with interlocking pins 42 and brackets 43 to prevent adjoining molded panels from lifting. Under the tread surface, the teeth are crossed by notches 44 which support the molded panels on the upright flat bars ~not illustrated in Figure 1), so that there is an empty space ~mder the molded panel.
The tread surfAce of each molded panel is provided with many raised ribs, both longitudinal 10 and 11, and latitudinal 12 and 13O The ribbing, with its slightly rounded top surface 45 and 46, lies on the horizontal plan of the molded panels 2~ $ ~
~see Figure 4). The ribbing forms a large numher of discrete surface portions 17 through 17 with parallel slots 18.
The surfaces 47 and 48 of the discrete surface portions 1~} through 17 are set lower than the sides 20 and 21 of the ribs 10 to 13. This lowering occurs latitudinally and longitudinally compared to the ribbing 10 to 13, building depressions 22 and 23, whose deepest point is located in ^the geometrical middle 24 of the discrete surface portions 14 through 17, according to the examp]e.
In this example, the surface 47 and 48, of the discrete surface portions slope perpendicularly down towards the middle of the discrete surface portion.
Figure 3 shows further details. The top surfaces 47 and ~8 form a tee-profile 26 due to the slots 18 from the sides of the flanges 25; they lay on one and the same radius and have a concave shape. I'he wear thickness of the flange 25 generally determines the useful life of the molded panel.
The corners 27 of the discrete surface portions 2 to 5 illustrated in Figures 1 and ~, show that the concave ribs are discontinuous at that point. This produces a cross-shaped recess 28 which interrupts the top surface ~5 of the ribbing.
Alternatively, the depressions bottoms may also be flat;
their sides would then rise to the converging Elanges 20 and G1 of the ribs, as is shown in Figure 3.
Figure 1 also shows that the toothing 8 and 9 lays within the discrete surface portions 14 through 17 and that the slots 18 of each discrete surface portion end at a set of teeth 29 and 30, laying parallel to the edge and made up of the spaces 8 ~etween the teeth. The set of teeth 30 bears the longitudinal ribbing 10 of the corresponding molded panel, as well as the starting points 32 and 33 of the latitudinal ribbing on the other set of teeth 29 in order to form the full latitudinal ribs 12 and 13 of the discrete surface portions 2 through 5. This prevents the doubling of the longitudinal ribbing.
In practice, the cattle normally stand with their hooves in the discrete surface portions 2 to 5. The curvature 47 and 48 described above results in a tendency for the hooves to slide towards the middle of the discrete surface portion 24.
This produces a rubbing load on the tread surface of the depressions 22 and 23, causing the depressions to wear faster than the surface of the ribs 44 and 45. This preserves the longitudinal and latituclinal ribbing. The rubbing action pushes the solid components of the droppinys down through the slots 18 and into the empty space under the molded panels.
When an animal, eg a sow, stands up, the 7 degree slope (range of 3 to 15, or 4 to 7 degree slope) may be used as a support in all four directions. The standing animal is safely ~2~
~upported by the even inner surfaces. ~he swpine animal is not bothered by any pressure points, and the slop~s provide for a smooth sur~ace. When laying down, the animal is prot~cted against slipping by the surfaces; the sow can lay down slowly and the piglets are thus protected against smotheriny.
The present invention relates to raised floor covering panels with provision for drainage therethrough, and especially to panels useful in livestock stalls.
BACKGROUND OF THE IMVENTION
Flooring in livestock stalls should provide relatively safe and comfortable accommodation for both standing and supine livestock; should easily pass waste products through the floor of cleaning; and, should be durable and cos effective.
One product that has been previously used in livestock stalls applications is described in GB - PS 21 36 472. In accordance with the disclosure of this reference a floor covering is provided in which tread surfaces are arranged at a uniform height, across the upper horizontal surfaces of molded ~looring panels. Ribbing extends upwardly from those horizontal surfaces. In use, however, it has been ~ound that when the animals move ~rom a supine to a standing posture, they tend to trip on the ribbing, particularly in the case of hogs. When standing, the ribbing may cause pressure points under the animals hooves. In addition, khe ribbing is believed to be very uncomfortable for the animals when they are laying down, It has also been noted that the animals hooves tend to latten the ribbing, so that over time the flooring surface becomes flattened and slippery~ In such cases, large sections of the floor covering must be replaced to prevent accidents.
This results in high costs, having to do primarily with the high replacement cost of these molded panels.
I~here remains a need, therefore, Eor improved flooring useful in, inter alia, livestock stall applications.
SUMMA~Y OF THE INVENTION
In accordance with one aspect of the present invention there is provided a floor covering panel adapted to be securable in interlocked relation with adjacent ones of a plurality of other such panels, in supported relation on a framework for securing the interlocked panels in spaced apart relation from an underlaying floor. ~ach panel defines at least a part oE a discrete floor portion bounded by raised ribs and having a treacl surfaGe which extends outwardly and downwardly away from said bounding ribs to form a generally central clepression in the discrete floor portion. The discrete floor portion is further character:ized by an at least one, and preferably a plurality o~ drainage slots arranged in generally parallel relation to one another, extending across a substantial proportion of the discrete floor portion.
Generally, these molded panels may be made of synthetic materials, such as polypropylene, using known die-casting 2 ~
~echniques. These molded panels are applied onto a grid-like ~ramework comprising a plurality of flat-bar steel dormers that are adapted to bear most of the bearing load that is transmitted through the floor covering. The molded panels should preferably have a square sectional plan but may also be rectangular, and arranged and sized so that their edges are positionable along the underlaying dormers of the supporting framework. The panels interlock in both directions so as to produce a continuous floor covering. As a result, any given stall surface may be covered without any openings using this floor covering.
This interlocking is preferably achieved in part through toothing arranged along two mutually opposite edges of each panel, which toothing forms an interference-type of lapped horizontal seam and helps to prevent any substantial space from being formed between adjacent, mutually secured, molded panels. The molded panels edges are thereby prevented from shifting away from one another. The other two mutually opposed edges of each of the molded panels are provided with tip-stretched pins and brackets which lock the pins vertically. This prevents the floor covering ~rom being lifted from the grid in normal use, and it remains firmly in place on the flat-bar steel dormers o~ the grid in the other direction.
The molded sections have a system of vertical profiles and special overlapping flanges which take up the static and 2 ~
~ynamic loadings on the floor. These include the vertically extending side walls that border the slots mentioned above.
The panels should b2 built to carry the anticipated floor loading without appreciable bending. As already mentioned, the top surface of the panels which kogether make up the present floor covering are provided with longitudinal and latitudinal ribbing which amongst ~ther things serve to define the earlier referred to discrete surface portions. This ribbing also affords a protection against slipping, by forming two raised barriers that for all practical purposes intersect with one another over the surface of the flooring, such that the hooves of standing animals are not as easily disposed to slipping. As a result, the animals are better ahle to keep their balance~ The slots in the discrete surface portions do not interrupt the ribbing, so that the ribbing also contributes to the strengthening the molded panels in the direc-tion of the main load.
This floor covering may be laid anywhere liquid and solid droppings are present which must be drained down through the floor covering. A preferred field of application for the invention is in livestock stalls, and especially in cattle and pig stalls. The liquid droppings flow down through the slots in the covering, while the solid components are pressed throuyh the ~loor by the hooves of the livestock occupying the stall that is so equipped.
In general, the present invention provides for central 2 ~
~epressions arranged in each of the discrete surface portions that are bounded by the raised ribs. These depressions are form~d in the floors surface, which in pro:Eile is such that it falls outwardly and downwardly away from each of the surrounding ribs. As a result of the central depression that is thereby formed, a resident animals hooves slip to the middle of the discrete surface portion. Two things happen as a consequence of this action. Firstly, there is an improved distribution in the overall wear on the floorings surface, with the result that the ribs and the discrete surface portions tend to wear more uniformly, which in turn preserves the relative height of the ribs above the discrete surface portions and helps to avoid any increase in animals tripping as the flooring wears through normal use. The animals stand safely until the usable thickness of the molded panels has been used up. Thanks to the invention, there is no more need to replace the molded panels prematurely because of the flattening out of the ribs that previously was the tendency owing to their relatively raised profile and the fact that they tended to attrac-t a disproportionate amount or surface wear.
A second advantage to the depressions in the discrete surface portions of the present invention is also related with the rubbing of the depressions bv the hooves. This rubbing action helps transfer the solid components of the droppings to the slots and presses them through. As a result, the tread surfaces are cleaned out faster.
2 ~ ? ~
In addition, the invention has the advantage of adapting the floor covering to the natural body movements of the animals, especially sows, in all of their positions. This contributes to kheir well-heing, particularly in the case of sows and piglets.
The invention may be implemented so that the desired rubbing on the sides of the depressions does not bother the animals much, especially if the profile of the flooring surface associated with the discrete surface portions is gently graded away from the raised ribs. This is especially so if the surface is smoothly curved so as to enhance the limited slip of the animals hooves towards the lowermost extent of the depressions, which has the concomitant effect of enhancing the distribution of the wear over the surface of the flooring in general.
Notwithstanding a better overall distribution of floor surface wear, there my be some portions of the floor in which wear may result in an increase in ~he relative height of the ribs above the adjacent discrete surface potions. By providing surface features on the ribbing, however, any consequential difficulty in an animals nego-tiating such an exaggerated rib is offset.
In addition, the invention provides for a layout of the ribs and discrete surface portions which, for all practical U~rposes, produces a continuous and regular patte ~ iny throughout the tread surface of the floor covering. This too helps to ensure that wear is more uniformly distributed over the whole of the flooring surface. The fact that the panels are joined along edges that are in Eact intermediate the discrete surface portions avoids juxtaposition of ribs that might therefore be more resistant to wear and exacerbate any increase in height of any such juxtaposed ribs relative to the discrete surface portions of the flooring during the course of normal wear.
DETAILED DESCRIPTION OF THE INVENTION
The following example of implementation will help illustrate the invention, during the course of the description of which reference will be made to the appended drawings.
INTRODUCTION TO THE DRAWINGS
Figure 1 shows an exploded view of an assembled floor covering with plan view of the molded panels;
Figure 2 shows a latitudinal-section along line II - II of Figure l;
- 2 ~ 2 ~
Figure 3 shows a sectional view along line III - III of Figure l; and, Figure 4 shows an enlargement of the sectional view along line IV - IV of Figure 1~
The floor covering 1 shown in Figure 1 is especially designed for tread sur~aces of livestock stalls. It is made up of identical plate-shaped molded panels 2 to 5. The figure does not show the features of molded panels 4 and 5. Each molded panel is provided, on two opposite edges 6 and 7, with a set of teeth formed by trapezoid spaces 8 and trapezoidal teeth which are arranged so that the other two molded panel edges 40 and 41 interlock with the corresponding edges of the adjoining molded panels. These edges are provided with interlocking pins 42 and brackets 43 to prevent adjoining molded panels from lifting. Under the tread surface, the teeth are crossed by notches 44 which support the molded panels on the upright flat bars ~not illustrated in Figure 1), so that there is an empty space ~mder the molded panel.
The tread surfAce of each molded panel is provided with many raised ribs, both longitudinal 10 and 11, and latitudinal 12 and 13O The ribbing, with its slightly rounded top surface 45 and 46, lies on the horizontal plan of the molded panels 2~ $ ~
~see Figure 4). The ribbing forms a large numher of discrete surface portions 17 through 17 with parallel slots 18.
The surfaces 47 and 48 of the discrete surface portions 1~} through 17 are set lower than the sides 20 and 21 of the ribs 10 to 13. This lowering occurs latitudinally and longitudinally compared to the ribbing 10 to 13, building depressions 22 and 23, whose deepest point is located in ^the geometrical middle 24 of the discrete surface portions 14 through 17, according to the examp]e.
In this example, the surface 47 and 48, of the discrete surface portions slope perpendicularly down towards the middle of the discrete surface portion.
Figure 3 shows further details. The top surfaces 47 and ~8 form a tee-profile 26 due to the slots 18 from the sides of the flanges 25; they lay on one and the same radius and have a concave shape. I'he wear thickness of the flange 25 generally determines the useful life of the molded panel.
The corners 27 of the discrete surface portions 2 to 5 illustrated in Figures 1 and ~, show that the concave ribs are discontinuous at that point. This produces a cross-shaped recess 28 which interrupts the top surface ~5 of the ribbing.
Alternatively, the depressions bottoms may also be flat;
their sides would then rise to the converging Elanges 20 and G1 of the ribs, as is shown in Figure 3.
Figure 1 also shows that the toothing 8 and 9 lays within the discrete surface portions 14 through 17 and that the slots 18 of each discrete surface portion end at a set of teeth 29 and 30, laying parallel to the edge and made up of the spaces 8 ~etween the teeth. The set of teeth 30 bears the longitudinal ribbing 10 of the corresponding molded panel, as well as the starting points 32 and 33 of the latitudinal ribbing on the other set of teeth 29 in order to form the full latitudinal ribs 12 and 13 of the discrete surface portions 2 through 5. This prevents the doubling of the longitudinal ribbing.
In practice, the cattle normally stand with their hooves in the discrete surface portions 2 to 5. The curvature 47 and 48 described above results in a tendency for the hooves to slide towards the middle of the discrete surface portion 24.
This produces a rubbing load on the tread surface of the depressions 22 and 23, causing the depressions to wear faster than the surface of the ribs 44 and 45. This preserves the longitudinal and latituclinal ribbing. The rubbing action pushes the solid components of the droppinys down through the slots 18 and into the empty space under the molded panels.
When an animal, eg a sow, stands up, the 7 degree slope (range of 3 to 15, or 4 to 7 degree slope) may be used as a support in all four directions. The standing animal is safely ~2~
~upported by the even inner surfaces. ~he swpine animal is not bothered by any pressure points, and the slop~s provide for a smooth sur~ace. When laying down, the animal is prot~cted against slipping by the surfaces; the sow can lay down slowly and the piglets are thus protected against smotheriny.
Claims (10)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A floor covering panel adapted to be securable in interlocked relation with adjacent ones of a plurality of other such panels, in supported relation on a framework for securing the interlocked panels in spaced apart relation from an underlaying floor, wherein each panel defines at least a part of a discrete floor portion bounded on said panel by raised ribs and having a tread surface which extends outwardly and downwardly away from said bounding ribs to form a generally central depression in the discrete floor portion having an at least one drainage slot extending across a substantial proportion of the discrete floor portion.
2. The floor covering panel according to claim 1 wherein said at least one drainage slot comprises a plurality of drainage slots arranged in generally parallel relation to one another.
3. The floor panel according to claim 1 comprising an interlocking tooth arrangement along at least two mutually opposed edges of said panel, adapted to engage a corresponding tooth arrangement on an adjacent edge of another panel in interlocked relation therewith, to form a mutually interfering lapped seam therebetween.
4. The floor panel according to claim 1 wherein said generally central depression is smoothly curved downwardly from said bounding ribs.
5. The floor panel according to claim 1 wherein edges of said panel are formed at an point intermediate of said depressions.
6. The floor panel according to claim 1 wherein said ribs have an upwardly extending convex surface.
7. The floor panel according to claim 1 wherein said slot is formed between side walls having an inferior conjunction proximal to the tread surface of said depressions, and are more widely spaced apart at opposite ends of said side walls.
8. The floor panel according to claim 7 wherein said side walls have a tee-shaped profile.
9. The floor panel according to claim 1 wherein said depression slopes downwardly from said raised ribs at an angle of between about 3 and 15 degrees.
10. The floor panel according to claim 9 wherein said slope is between about 4 and 7 degrees.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3927462A DE3927462A1 (en) | 1989-05-10 | 1989-08-19 | FLOORING, IN PARTICULAR FOR STANDING AREAS OF THE LIVESTOCK IN STABLES |
| DEP3927462.4 | 1989-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2021914A1 true CA2021914A1 (en) | 1991-02-20 |
Family
ID=6387471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002021914A Abandoned CA2021914A1 (en) | 1989-08-19 | 1990-07-25 | Floor covering, in particular for the tread surface of cattle stalls |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2021914A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6047663A (en) * | 1998-03-12 | 2000-04-11 | Moreau; Pierre A. | Modular flooring system for an animal housing |
| USD426681S (en) | 1998-03-09 | 2000-06-13 | Matrix Ag Inc. | Support unit for flooring for animal housings |
| USD433165S (en) | 1998-03-09 | 2000-10-31 | Matrix Ag Inc. | Flooring panel for animal housings |
-
1990
- 1990-07-25 CA CA002021914A patent/CA2021914A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD426681S (en) | 1998-03-09 | 2000-06-13 | Matrix Ag Inc. | Support unit for flooring for animal housings |
| USD433165S (en) | 1998-03-09 | 2000-10-31 | Matrix Ag Inc. | Flooring panel for animal housings |
| US6047663A (en) * | 1998-03-12 | 2000-04-11 | Moreau; Pierre A. | Modular flooring system for an animal housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued | ||
| FZDE | Discontinued |
Effective date: 19960125 |