CA2497362A1 - Connecting and plugging element for modular floor construction - Google Patents
Connecting and plugging element for modular floor construction Download PDFInfo
- Publication number
- CA2497362A1 CA2497362A1 CA002497362A CA2497362A CA2497362A1 CA 2497362 A1 CA2497362 A1 CA 2497362A1 CA 002497362 A CA002497362 A CA 002497362A CA 2497362 A CA2497362 A CA 2497362A CA 2497362 A1 CA2497362 A1 CA 2497362A1
- Authority
- CA
- Canada
- Prior art keywords
- plugging element
- plugging
- modular
- floor construction
- modular floor
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 4
- 235000013312 flour Nutrition 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
- E04F15/02417—Floor panels made of box-like elements
- E04F15/02423—Floor panels made of box-like elements filled with core material
- E04F15/02429—Floor panels made of box-like elements filled with core material the core material hardening after application
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A connecting and plugging element for modular floor construction comprising a linear element having a substantially U-shaped cross section defined by two lateral walls connected by an arched surface, and further having two head walls each connecting the two lateral walls on opposing sides of the linear element. The connecting and plugging element is preferably made of a thermoplastic material, and the two lateral walls and one of the head walls may have free edges that extend to form an enlarged bearing base with holes for connecting to the floor base and also with couplers or relieves for connecting to reinforcing bars or to adjacent connecting and plugging elements.
Description
TITLE OF THE INVENTION
Connecting and Plugging Elerryent for Modular Floor Construction FIELD OF THE INVENTION
The present patent application concerns building components, and, more sp~ifically, a plugging and connecting element for modular floor construction.
DESCRIPTION OF RELATED ART
Modular elements for the construction of raised or aerated floors are generally dome-shaped and have an upper surface supported by four or more legs divided by arch-shaped openings. These modular elements are juxtaposed and connected to each other to produce a continuous grid structure. Reinforcing iron rods, such as an electro-welded net or ribbed bars, are positioned over such grid structure, and concrete is then poured. It is then possible to obtain a monolithic floor slab, aerated in the lower part and suitable for inserting pipes, ducts, cables and similar building components within the aerated space.
These rr~duiar elements have modular dimensions and, once installed, fill a surface determined by multiples of the modular dimension. Often, the floors to be produced have surface dimensions that are not precise multiples of the modular elements, leaving one or more floor strips uncovered.
Connecting elements to fill the uncovered area are known in the prior art and are shaped substantially like a box with an open side. Because of their configuration, these connecting elements cannot carry the weight of a person, so are not suited for walking on. Furtl~r, the connecting elements in the prior art are affixed to the modular elements by means of deep lateral notches, preventing their ability to slide and to be adjusted in position in the event they are too wide or too narrow for the application at hand.
Otl~r connecting elements in the prior art consist of blocks of expanded material, typically expanded polystyrene, having a square or rectangular base and lateral walls cunnected to an upper arch-shaped surface matching the arch-shaped openings of the modular elements. A connecting element of this type is inserted inside an arch-shaped opening of the last modular elements in order to achieve complete coverage of the floor surface.
The above described connecting elements are preferably positioned in a central area of the floor, that is, modular elements are placed in positions 40 starting from the floor edges and are the then joined with the connecting elements in the middle of the floor.
Other types of connecting and plugging elements are also known in the prior art, and are generally manufactured with expanded materials generating high storage volumes, material requirements, and costs. Further, these connecting 45 and plugging elements typically have smooth surfaces and no means for connecting to each other during positioning and/or during the pouring of the concrete, therefore, these connecting and plugging elements can slide during application making them totally or partially useless.
A connecting and plugging element for modular floor construction is provided comprising a linear element having a substantially U-sloped cross section defined by two lateral walls connected by an arched surface, and further having two head walls each connecting the two lateral walls on 55 opposing sides of the linear element. The connecting and plugging element is preferably made of a thermoplastic material, and the two lateral walls and one of the head walls may have free edges that extend to form an enlarged bearing base with holes for connecting to the floor base and also with couplers or relieves for connecting to reinforcing bars or to adjacent f0 connecting and plugging elements.
It is an object of the present invention to provide a connecting element to be used in the manufacture of aerated or elevated floors that plugs the arch-shaped openings of the modular elements and does not slide while the formwork is being or during pouring of the concrete.
65 It is another object of the present invention to provide a connecting element to be used in the manufacture of aerated or elevated floors, on which operators can walk safely.
These and other advantages of the present invention will become apparent from a reading of the following description, and may be realized by means 70 of the instrumentalities and combinations particularly pointed out in the appended claims.
Connecting and Plugging Elerryent for Modular Floor Construction FIELD OF THE INVENTION
The present patent application concerns building components, and, more sp~ifically, a plugging and connecting element for modular floor construction.
DESCRIPTION OF RELATED ART
Modular elements for the construction of raised or aerated floors are generally dome-shaped and have an upper surface supported by four or more legs divided by arch-shaped openings. These modular elements are juxtaposed and connected to each other to produce a continuous grid structure. Reinforcing iron rods, such as an electro-welded net or ribbed bars, are positioned over such grid structure, and concrete is then poured. It is then possible to obtain a monolithic floor slab, aerated in the lower part and suitable for inserting pipes, ducts, cables and similar building components within the aerated space.
These rr~duiar elements have modular dimensions and, once installed, fill a surface determined by multiples of the modular dimension. Often, the floors to be produced have surface dimensions that are not precise multiples of the modular elements, leaving one or more floor strips uncovered.
Connecting elements to fill the uncovered area are known in the prior art and are shaped substantially like a box with an open side. Because of their configuration, these connecting elements cannot carry the weight of a person, so are not suited for walking on. Furtl~r, the connecting elements in the prior art are affixed to the modular elements by means of deep lateral notches, preventing their ability to slide and to be adjusted in position in the event they are too wide or too narrow for the application at hand.
Otl~r connecting elements in the prior art consist of blocks of expanded material, typically expanded polystyrene, having a square or rectangular base and lateral walls cunnected to an upper arch-shaped surface matching the arch-shaped openings of the modular elements. A connecting element of this type is inserted inside an arch-shaped opening of the last modular elements in order to achieve complete coverage of the floor surface.
The above described connecting elements are preferably positioned in a central area of the floor, that is, modular elements are placed in positions 40 starting from the floor edges and are the then joined with the connecting elements in the middle of the floor.
Other types of connecting and plugging elements are also known in the prior art, and are generally manufactured with expanded materials generating high storage volumes, material requirements, and costs. Further, these connecting 45 and plugging elements typically have smooth surfaces and no means for connecting to each other during positioning and/or during the pouring of the concrete, therefore, these connecting and plugging elements can slide during application making them totally or partially useless.
A connecting and plugging element for modular floor construction is provided comprising a linear element having a substantially U-sloped cross section defined by two lateral walls connected by an arched surface, and further having two head walls each connecting the two lateral walls on 55 opposing sides of the linear element. The connecting and plugging element is preferably made of a thermoplastic material, and the two lateral walls and one of the head walls may have free edges that extend to form an enlarged bearing base with holes for connecting to the floor base and also with couplers or relieves for connecting to reinforcing bars or to adjacent f0 connecting and plugging elements.
It is an object of the present invention to provide a connecting element to be used in the manufacture of aerated or elevated floors that plugs the arch-shaped openings of the modular elements and does not slide while the formwork is being or during pouring of the concrete.
65 It is another object of the present invention to provide a connecting element to be used in the manufacture of aerated or elevated floors, on which operators can walk safely.
These and other advantages of the present invention will become apparent from a reading of the following description, and may be realized by means 70 of the instrumentalities and combinations particularly pointed out in the appended claims.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
The drawings constitute a part of this specification and include exemplary 75 embodiments of the invention, which may be embodied in various forms. It is to be understood that in some instances various aspects of the invention may be shown exaggerated or enlarged to facilitate an understanding of the invention.
Fig. 1 is a first perspective view of a connecting and plugging element 80 according to the present invention.
Fig. 2 is a second perspective view of a connecting and plugging element according to the present invention.
Fig. 2a is a detail view of an extension with couplers of a head wall of the connecting and plugging element of Fig. 2.
85 Fig. 3 is a side view of a connecting and plugging element according to the present invention abutted against a foundation wall.
Fig. 4 is a side view of two connecting and plugging elements according to the present invention abutted against reinforcing bars.
Fig. 4a is a detail view of the a coupler on the extension of a head wall of a 90 connecting and plugging element according to the present invention joined to a reinforcing bar.
Fig. 5 is a side view of three connecting and plugging elements according to the present invention joined to each other and to a foundation wall.
THE INVENTION
Detailed descriptions of embodiments of the invention are provided herein.
It is to be understood, however, that the present invention may be embodied in various forms.
100 Therefore, the specific details disclosed herein are not to be interpreted as limiting, but rather as a representative basis for teaching one skilled in the art how to employ the present invention in virtually any detailed system, structure, or manner.
Turning now to Figs. 1-2, a connecting and plugging element (P) comprises 105 a linear element with a substantially U-shaped cross-section, matching the shape of the arch-shaped opening of a modular element (M). The linear elements has two lateral walls (P1) and an arched surface (P2) connecting the two lateral walls, the lateral walls (P1) being typically inclined while the arched surface (P2) has a shape corresponding to the opening in modular 110 elements (M). The lateral walls (Pl) are connected, on opposing sides, by head walls (P3) that are substantially vertical. Connecting and plugging element (P) made be manufactured from a thermoplastic material.
The free edges of connecting and plugging element (P) may have extensions (P4) protruding outwards laterally in a horizontal direction, so as to form an 115 enlarged bearing base.
In one embodiment, extensions (P4) of the free edges are present on three sides of connecting and plugging elements (P), that is, on lateral walls (Pl ) and one head wall (P3), while there is no extension on the opposite head wall (P3).
120 Various holes (P4f) may be present on extensions (P4), in order to enable the affixing of connecting and plugging element (P) to the lower floor slab.
Moreover, on extension (P4) of one head wall, relieves or couplers (P4a) may be present of a shape suitable for securing connecting and plugging element (P) to one or more concrete reinforcing bars, in order to prevent 125 connecting and plugging element (P) from sliding toward the inside of modular element (M). On head walls (P3), on arched surface (P2) and/or on lateral walls (Pl ), stiffening ribs (Pa) may be present, in order to provide connecting and plugging element (P) with sufficient mechanical strength to withstand the weight of a walking person.
130 Connecting and plugging element (P) is suitable for positioning on a lower floor slab and, because of its shape and mechanical properties, and because it can be prevented from sliding sideways, connecting and plugging element (P) performs its function in a variety of situations that occur in the manufacture of aerated or elevated floors of dimensions different from entire I35 multiples of modular elements (M).
Connecting and plugging element (P) needs only inserting in the arch-shaped bole of the last modular element (M) of the floor grid, so to extend to the edge of the floor.
Fig. 3 illustrates an application of connecting and plugging element (P) 140 when a foundation wall is present. If that situation, connecting and plugging element (P) may be positioned against the foundation wall, with the edge of head wall (P3) that is extension-free abutting against the foundation wall.
The drawings constitute a part of this specification and include exemplary 75 embodiments of the invention, which may be embodied in various forms. It is to be understood that in some instances various aspects of the invention may be shown exaggerated or enlarged to facilitate an understanding of the invention.
Fig. 1 is a first perspective view of a connecting and plugging element 80 according to the present invention.
Fig. 2 is a second perspective view of a connecting and plugging element according to the present invention.
Fig. 2a is a detail view of an extension with couplers of a head wall of the connecting and plugging element of Fig. 2.
85 Fig. 3 is a side view of a connecting and plugging element according to the present invention abutted against a foundation wall.
Fig. 4 is a side view of two connecting and plugging elements according to the present invention abutted against reinforcing bars.
Fig. 4a is a detail view of the a coupler on the extension of a head wall of a 90 connecting and plugging element according to the present invention joined to a reinforcing bar.
Fig. 5 is a side view of three connecting and plugging elements according to the present invention joined to each other and to a foundation wall.
THE INVENTION
Detailed descriptions of embodiments of the invention are provided herein.
It is to be understood, however, that the present invention may be embodied in various forms.
100 Therefore, the specific details disclosed herein are not to be interpreted as limiting, but rather as a representative basis for teaching one skilled in the art how to employ the present invention in virtually any detailed system, structure, or manner.
Turning now to Figs. 1-2, a connecting and plugging element (P) comprises 105 a linear element with a substantially U-shaped cross-section, matching the shape of the arch-shaped opening of a modular element (M). The linear elements has two lateral walls (P1) and an arched surface (P2) connecting the two lateral walls, the lateral walls (P1) being typically inclined while the arched surface (P2) has a shape corresponding to the opening in modular 110 elements (M). The lateral walls (Pl) are connected, on opposing sides, by head walls (P3) that are substantially vertical. Connecting and plugging element (P) made be manufactured from a thermoplastic material.
The free edges of connecting and plugging element (P) may have extensions (P4) protruding outwards laterally in a horizontal direction, so as to form an 115 enlarged bearing base.
In one embodiment, extensions (P4) of the free edges are present on three sides of connecting and plugging elements (P), that is, on lateral walls (Pl ) and one head wall (P3), while there is no extension on the opposite head wall (P3).
120 Various holes (P4f) may be present on extensions (P4), in order to enable the affixing of connecting and plugging element (P) to the lower floor slab.
Moreover, on extension (P4) of one head wall, relieves or couplers (P4a) may be present of a shape suitable for securing connecting and plugging element (P) to one or more concrete reinforcing bars, in order to prevent 125 connecting and plugging element (P) from sliding toward the inside of modular element (M). On head walls (P3), on arched surface (P2) and/or on lateral walls (Pl ), stiffening ribs (Pa) may be present, in order to provide connecting and plugging element (P) with sufficient mechanical strength to withstand the weight of a walking person.
130 Connecting and plugging element (P) is suitable for positioning on a lower floor slab and, because of its shape and mechanical properties, and because it can be prevented from sliding sideways, connecting and plugging element (P) performs its function in a variety of situations that occur in the manufacture of aerated or elevated floors of dimensions different from entire I35 multiples of modular elements (M).
Connecting and plugging element (P) needs only inserting in the arch-shaped bole of the last modular element (M) of the floor grid, so to extend to the edge of the floor.
Fig. 3 illustrates an application of connecting and plugging element (P) 140 when a foundation wall is present. If that situation, connecting and plugging element (P) may be positioned against the foundation wall, with the edge of head wall (P3) that is extension-free abutting against the foundation wall.
Figs. 4-4a show an application of connecting and plugging element (P) in conjunction with reinforcing bars (Ar) that are used to produce beams of the 145 same thickness as the floor. If the beam has not been poured yet, when beams and floor slab are poured at the same tip, connecting and plugging element (P) may be positioned so to have the couplers (P4a) on extension (P4) of head wall (P3) mate with reinforcement bars (Ar).
Connecting and plugging element (P) may also be positioned between two 150 modular elements (M) in different areas of the floor surface, so to connect two modular elements (M) that are spaced apart.
Fig. 5 shows three aligned connecting and plugging elements (P), positioned with their heads walls next to each other and having the extension-free edge of tale head wall of one element secured to couplers (P4a) on the extension 155 of the head wall of the adjacent element.
While the invention has been described in connection with the above described embodiment, it is not intended to limit the scope of the invention to the particular forms set forth,, but on the contrary, it is intended to cover such alternatives, modifications, and equivalents as may be included within 160 the scope of the invention.
_5_
Connecting and plugging element (P) may also be positioned between two 150 modular elements (M) in different areas of the floor surface, so to connect two modular elements (M) that are spaced apart.
Fig. 5 shows three aligned connecting and plugging elements (P), positioned with their heads walls next to each other and having the extension-free edge of tale head wall of one element secured to couplers (P4a) on the extension 155 of the head wall of the adjacent element.
While the invention has been described in connection with the above described embodiment, it is not intended to limit the scope of the invention to the particular forms set forth,, but on the contrary, it is intended to cover such alternatives, modifications, and equivalents as may be included within 160 the scope of the invention.
_5_
Claims (10)
1. A connecting and plugging element for modular floor construction comprising:
a linear element having a substantially U-shaped cross section comprising two lateral walls and an arched surface connecting the two lateral walls;
and two head walls, each of the two head walls connecting the two lateral walls on opposing sides of the linear element.
a linear element having a substantially U-shaped cross section comprising two lateral walls and an arched surface connecting the two lateral walls;
and two head walls, each of the two head walls connecting the two lateral walls on opposing sides of the linear element.
2. The connecting and plugging element for modular floor construction of claim 1, wherein the connecting and plugging element fur modular floor construction is made of a thermoplastic material.
3. The connecting and plugging element for modular flour construction of claim 1, wherein one or more free edges of the connecting and plugging element for modular floor construction are provided with an enlarged bearing base.
4. The connecting arid plugging element for modular floor construction of claim 3, wherein the enlarged bearing base comprises extensions protruding from the free edges in lateral and outward directions.
5. The connecting and plugging element for modular floor construction of claim 4, wherein there are three extensions, two of which protrude from the lateral walls and one of which protrudes from one of the two head walls.
6. The connecting and plugging element fur modular floor construction of claim 3, wherein the enlarged bearing base comprises holes for affixing the connecting and plugging element for modular flour construction to a floor slab.
7. The connecting and plugging element for modular floor construction of claim 1, further comprising means for connecting the connecting and plugging element for modular floor construction to concrete reinforcing bars.
8. The connecting and plugging element for modular floor construction of claim 7, wherein the means for connecting comprise relieves on the surface of the connecting and plugging element for modular floor construction.
9. The connecting and plugging element for modular floor construction of claim 7, wherein the means for connecting comprise couplers on the surface of the connecting and plugging element fur modular flour construction.
10. The connecting and plugging element for modular floor construction of claim 1, wherein the surface of the connecting and plugging element for modular flour construction has a ribbed design.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000043A ITPD20040043A1 (en) | 2004-02-17 | 2004-02-17 | DOUBLE USE WALKABLE JOINT AND FILLING ELEMENT FOR MODULAR ELEMENTS FOR VENTILATED AND / OR RAISED FLOORS |
| ITPD2004A000043 | 2004-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2497362A1 true CA2497362A1 (en) | 2005-08-17 |
Family
ID=34685643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002497362A Abandoned CA2497362A1 (en) | 2004-02-17 | 2005-02-14 | Connecting and plugging element for modular floor construction |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20050178080A1 (en) |
| EP (1) | EP1564343B1 (en) |
| CA (1) | CA2497362A1 (en) |
| IT (1) | ITPD20040043A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPD20040043A1 (en) * | 2004-02-17 | 2004-05-17 | Geoplast Srl | DOUBLE USE WALKABLE JOINT AND FILLING ELEMENT FOR MODULAR ELEMENTS FOR VENTILATED AND / OR RAISED FLOORS |
| ES2253109B1 (en) * | 2004-11-05 | 2007-01-01 | Jose Javier Calvo Ibarreche | SOLERAS FORMWORK SYSTEM WITH CAMERA. |
| WO2020181326A1 (en) * | 2019-03-11 | 2020-09-17 | The University Of Melbourne | Void former and modular formwork system |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1074760A (en) * | 1913-10-07 | Frederick Squires | Floor construction. | |
| US1033413A (en) * | 1910-10-17 | 1912-07-23 | Trussed Concrete Steel Co | Floor construction. |
| US1006423A (en) * | 1911-03-28 | 1911-10-17 | Clyde B Asher | Concrete-floor construction. |
| US1182355A (en) * | 1912-07-12 | 1916-05-09 | Edward F Crane | Floor construction. |
| US1275668A (en) * | 1918-03-07 | 1918-08-13 | Peter Filippone | Concrete floor and ceiling construction. |
| US2039382A (en) * | 1931-07-06 | 1936-05-05 | United States Gypsum Co | Building construction and clip means therefor |
| US2248517A (en) * | 1937-12-01 | 1941-07-08 | Smith William Herbert | Reinforced concrete floor structure |
| US3105423A (en) * | 1960-09-22 | 1963-10-01 | Gateway Erectors Inc | Chair for supporting a reinforcement mat for concrete |
| DE1286730B (en) * | 1963-12-11 | 1969-01-09 | Hanekamp Hermann | Plastic filler for the production of concrete cassette, ribbed ceilings or the like. |
| US3543458A (en) * | 1967-12-27 | 1970-12-01 | Kenneth E Guritz | Monolithic floor structure with air passages |
| ES443713A1 (en) * | 1975-12-22 | 1977-04-16 | Atex Building Prod Ltd | Construction of concrete floors ceilings or like structures |
| US4860510A (en) * | 1988-03-14 | 1989-08-29 | Duragrid, Inc. | Modular protective surfacing member |
| US4930286A (en) * | 1988-03-14 | 1990-06-05 | Daniel Kotler | Modular sports tile with lateral absorption |
| JPH09509992A (en) * | 1994-03-10 | 1997-10-07 | ラッセン，ヨルゲン | Elements for use in manufacturing reinforced concrete structures with cavities, filling bodies for manufacturing such elements, and methods for manufacturing reinforced concrete structures with cavities |
| US5992106A (en) * | 1995-09-21 | 1999-11-30 | Sport Court, Inc. | Hexagon tile with equilateral reinforcement |
| IT1315093B1 (en) * | 2000-05-16 | 2003-02-03 | Valerio Pontarolo | ACCESSORY FOR MODULAR SUPPORT AND AERATION ELEMENTS FOR VESPAI, SLABS, FLOORS OR SIMILAR BUILDINGS |
| IT1320747B1 (en) * | 2000-12-13 | 2003-12-10 | Studio Tecnico Ing Giorgio Cri | SYSTEM, METHOD AND MODULAR FORMWORKS FOR THE CREATION OF SLABS. |
| ITPD20040043A1 (en) * | 2004-02-17 | 2004-05-17 | Geoplast Srl | DOUBLE USE WALKABLE JOINT AND FILLING ELEMENT FOR MODULAR ELEMENTS FOR VENTILATED AND / OR RAISED FLOORS |
-
2004
- 2004-02-17 IT IT000043A patent/ITPD20040043A1/en unknown
- 2004-12-20 EP EP04425951.3A patent/EP1564343B1/en not_active Expired - Lifetime
- 2004-12-23 US US11/023,019 patent/US20050178080A1/en not_active Abandoned
-
2005
- 2005-02-14 CA CA002497362A patent/CA2497362A1/en not_active Abandoned
-
2009
- 2009-11-05 US US12/613,251 patent/US20100115869A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20100115869A1 (en) | 2010-05-13 |
| ITPD20040043A1 (en) | 2004-05-17 |
| EP1564343A1 (en) | 2005-08-17 |
| US20050178080A1 (en) | 2005-08-18 |
| EP1564343B1 (en) | 2015-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |
Effective date: 20130218 |