CA2734994A1 - Perimetric protection system for buildings undergoing construction - Google Patents
Perimetric protection system for buildings undergoing construction Download PDFInfo
- Publication number
- CA2734994A1 CA2734994A1 CA2734994A CA2734994A CA2734994A1 CA 2734994 A1 CA2734994 A1 CA 2734994A1 CA 2734994 A CA2734994 A CA 2734994A CA 2734994 A CA2734994 A CA 2734994A CA 2734994 A1 CA2734994 A1 CA 2734994A1
- Authority
- CA
- Canada
- Prior art keywords
- beams
- masts
- attachment elements
- protection system
- attached
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3247—Storey high safety barrier hung from the facade and sliding up from level to level as work progresses
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/20—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/24—Couplings involving arrangements covered by more than one of the subgroups E04G7/08, E04G7/12, E04G7/20, E04G7/22
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
- Emergency Lowering Means (AREA)
Abstract
The present invention relates to a perimetric protection system for buildings undergoing construction comprising at least two masts (1) spaced from one another and each formed by two vertical U-profiles (1); a horizontal piatform (3) supported on at least two horizontal beams (300) attached to the masts by means of first attachment elements or anchors (130). The system further comprises:0 - at least two inclined beams (100) parallel to one another, which are attached - to the masts (1) by means of at least two second attachment elements (110) forming a first angle (.alpha.); to the horizontal beams (300) by means of at least two third attachment elements (310) forming a second angle (.beta.), and, - the at least two inclined beams (100) having a free end (100a) in the third attachment elements (310), such that their height is greater than the height of the horizontal platform (2), - an inclined protective panel (120) attached to said at least two inclined beams (100).
Description
PERIMETRIC PROTECTION SYSTEM FOR BUILDINGS UNDERGOING
CONSTRUCTION
Technical Field of the Invention The present invention is comprised in the technical field of construction and, more particularly, in the sector of the perimetric protections for buildings undergoing construction.
Background of the Invention The proliferation of very tall buildings, such as skyscrapers, in large cities has considerably improved the systems for their construction both in terms of efficiency and safety in recent years. The need to work safely at great heights and to continue working even with adverse meteorological conditions (wind or rain) has made it necessary to install in the periphery thereof, attached to the formworks, perimetric protections which safeguard the physical integrity of workers, as well as the safety of pedestrians and vehicles close to the work site which could be affected by objects and materials from the site undergoing construction.
Historically, these protections were initially built using simple rails which were fastened to the formworks and which, once the job on that floor was finished, were moved to the following floor under construction. However, the concept of protection. currently followed seeks to completely cover the periphery of the work site with canvases, boards, panels, meshes, etc. These perimetric protections have been used for a long time and there are very different systems for their assembly and installation at the work site, although in all cases they require a support structure fixed to the formworks, to which structure the protective elements are fastened, i.e., the panels, meshes and the like. In this version, as occurred with the protective rails, once the work was finished on the floor or floors covered by the perimetric protection, the elements forming said protection, such as the metal support structure and the protective panels and meshes, had to be moved manually by means of a crane to the upper floors that had to be protected.
Self-climbing perimetric protections have been developed in recent years, which have means for being moved up and down, such that they are placed on the floors that must be perimetrically protected. Examples of such self-climbing protections can be seen in patent documents WO 2004/020766, WO 2007/036300 and in European patent application EP 10382052.8.
CONSTRUCTION
Technical Field of the Invention The present invention is comprised in the technical field of construction and, more particularly, in the sector of the perimetric protections for buildings undergoing construction.
Background of the Invention The proliferation of very tall buildings, such as skyscrapers, in large cities has considerably improved the systems for their construction both in terms of efficiency and safety in recent years. The need to work safely at great heights and to continue working even with adverse meteorological conditions (wind or rain) has made it necessary to install in the periphery thereof, attached to the formworks, perimetric protections which safeguard the physical integrity of workers, as well as the safety of pedestrians and vehicles close to the work site which could be affected by objects and materials from the site undergoing construction.
Historically, these protections were initially built using simple rails which were fastened to the formworks and which, once the job on that floor was finished, were moved to the following floor under construction. However, the concept of protection. currently followed seeks to completely cover the periphery of the work site with canvases, boards, panels, meshes, etc. These perimetric protections have been used for a long time and there are very different systems for their assembly and installation at the work site, although in all cases they require a support structure fixed to the formworks, to which structure the protective elements are fastened, i.e., the panels, meshes and the like. In this version, as occurred with the protective rails, once the work was finished on the floor or floors covered by the perimetric protection, the elements forming said protection, such as the metal support structure and the protective panels and meshes, had to be moved manually by means of a crane to the upper floors that had to be protected.
Self-climbing perimetric protections have been developed in recent years, which have means for being moved up and down, such that they are placed on the floors that must be perimetrically protected. Examples of such self-climbing protections can be seen in patent documents WO 2004/020766, WO 2007/036300 and in European patent application EP 10382052.8.
2 During the construction of a building or the like it is common to use a loading platform; in such case, upon placing such platform in the existing self-climbing formwork systems, the loading platform is outside the perimetric protection and it becomes necessary to specifically protect it.
Description of the Invention The object of the present invention is a perimetric protection system according to claim 1. Preferred embodiments of the system are defined in the dependent claims.
To solve the drawbacks of current perimetric protection systems in which the loading platforms are outside the perimetric protection and accordingly require their own protective means, such as additional rails, the present invention proposes adding an inclined projecting structure such that the loading platform is included within the internal angle formed by the vertical masts supporting the perimetric protection and the inclined projecting structure, to which projecting structure the protective panels are assembled, the loading platform being fastened at one end to the vertical masts and at the other end to the inclined projecting structure.
Thus, according to the present invention, the perimetric protection system for buildings undergoing construction comprises:
- at least two vertical masts spaced from one another and each of these masts formed by two profiles;
a horizontal loading platform, which can have a variable width depending on needs, supported on at least two horizontal beams attached to the masts by means of first attachment elements or anchors.
A first aspect of the present invention relates to the system further comprising:
- at least two inclined projecting beams parallel to one another;
the at least two inclined projecting beams being attached to the masts by means of at least two second attachment elements forming a first angle a;
the at least two inclined projecting beams being attached to the horizontal beams by means of at least two third attachment elements forming a second angle
Description of the Invention The object of the present invention is a perimetric protection system according to claim 1. Preferred embodiments of the system are defined in the dependent claims.
To solve the drawbacks of current perimetric protection systems in which the loading platforms are outside the perimetric protection and accordingly require their own protective means, such as additional rails, the present invention proposes adding an inclined projecting structure such that the loading platform is included within the internal angle formed by the vertical masts supporting the perimetric protection and the inclined projecting structure, to which projecting structure the protective panels are assembled, the loading platform being fastened at one end to the vertical masts and at the other end to the inclined projecting structure.
Thus, according to the present invention, the perimetric protection system for buildings undergoing construction comprises:
- at least two vertical masts spaced from one another and each of these masts formed by two profiles;
a horizontal loading platform, which can have a variable width depending on needs, supported on at least two horizontal beams attached to the masts by means of first attachment elements or anchors.
A first aspect of the present invention relates to the system further comprising:
- at least two inclined projecting beams parallel to one another;
the at least two inclined projecting beams being attached to the masts by means of at least two second attachment elements forming a first angle a;
the at least two inclined projecting beams being attached to the horizontal beams by means of at least two third attachment elements forming a second angle
3, which will normally be fl/2-a; and, the at least two inclined projecting beams having a free end which amply exceeds the level of the loading platform to create an ample and sufficient protective area which includes the loading platform itself;
the system further including:
protective panels attached to said at least two inclined beams.
Said vertical masts can each be formed preferably by U-profiles open towards opposite lateral sides. Between the U-profiles there are blocks serving to support the masts in the respective support heads anchored to the floors, as well as to actuate the hoisting means.
Said at least two inclined projecting beams are each preferably made up of two attached U-profiles open towards opposite sides.
The second attachment elements and the third attachment elements can be fixed attachments and, in such case, the first angle a and the second angle R
are also fixed.
It is also possible for said first and second attachment elements to be articulated attachments; in such case, the first angle a and the second angle R are variable.
The system of the invention can further comprise a reinforcing tensioning device, if necessary, between the at least two horizontal beams and the free end of the at least two inclined beams.
The system preferably also comprises vertical protective panels attached to the at least two masts.
By means of the perimetric protection system of the invention, in addition to allowing the loading platform to be comprised within the perimetric protection, other important effects and advantages are achieved both at the operative level and the commercial level. The first is that since each pair of masts and inclined projecting beams form a perimetric protection module and since the perimetric protection modules can be positioned one after the other with virtually nil or very little separation between adjacent masts, a continuous loading platform, i.e., a continuous passageway along the entire perimeter of the building protected by the perimetric protection, can be formed.
Another advantage, which in this case is of commercial and/or advertising interest, is based on the fact that since the perimetric protection is inclined and projecting, the protective panels assembled thereon can be used as advertising support that will be visible to passers-by or from places located at a level lower than the perimetric protection.
The perimetric protection system of the invention can be self-climbing of the type described in European patent application EP 10382052.8.
As can be seen, the system according to the present invention is simple,
the system further including:
protective panels attached to said at least two inclined beams.
Said vertical masts can each be formed preferably by U-profiles open towards opposite lateral sides. Between the U-profiles there are blocks serving to support the masts in the respective support heads anchored to the floors, as well as to actuate the hoisting means.
Said at least two inclined projecting beams are each preferably made up of two attached U-profiles open towards opposite sides.
The second attachment elements and the third attachment elements can be fixed attachments and, in such case, the first angle a and the second angle R
are also fixed.
It is also possible for said first and second attachment elements to be articulated attachments; in such case, the first angle a and the second angle R are variable.
The system of the invention can further comprise a reinforcing tensioning device, if necessary, between the at least two horizontal beams and the free end of the at least two inclined beams.
The system preferably also comprises vertical protective panels attached to the at least two masts.
By means of the perimetric protection system of the invention, in addition to allowing the loading platform to be comprised within the perimetric protection, other important effects and advantages are achieved both at the operative level and the commercial level. The first is that since each pair of masts and inclined projecting beams form a perimetric protection module and since the perimetric protection modules can be positioned one after the other with virtually nil or very little separation between adjacent masts, a continuous loading platform, i.e., a continuous passageway along the entire perimeter of the building protected by the perimetric protection, can be formed.
Another advantage, which in this case is of commercial and/or advertising interest, is based on the fact that since the perimetric protection is inclined and projecting, the protective panels assembled thereon can be used as advertising support that will be visible to passers-by or from places located at a level lower than the perimetric protection.
The perimetric protection system of the invention can be self-climbing of the type described in European patent application EP 10382052.8.
As can be seen, the system according to the present invention is simple,
4 can be easily hoisted, adaptable without major changes to different work sites and mode up of combinable modules making the system very versatile.
Brief Description of the Drawings To complement the description that is being made and for the purpose of aiding to better understand the features of the invention according to a preferred practical embodiment thereof, a set of drawings is attached as an integral part of said description, in which the following has been depicted with an illustrative and non-limiting character:
Figure 1 is a side view of an embodiment of a perimetric protection system according to the present invention.
Figure 2 is a detailed view of a first embodiment of the fixed attachment between mast and inclined beam.
Figure 3 is a detailed view of a first embodiment of the fixed attachment between inclined beam and horizontal beam.
Figure 4 is a detailed view of a second embodiment of the articulated attachment between mast and inclined beam.
Figure 5 is a detailed view of a second embodiment of the articulated attachment between inclined beam and horizontal beam.
Figure 6 is a detailed view of a possible attachment between mast and horizontal beam.
Description of a Preferred Embodiment of the Invention Figure 1 shows a preferred embodiment of the system according to the present invention, comprising a pair of vertical masts 1 (since it is a side view, Figure 1 only shows one of them) which are supported by heads 4 anchored to the floors 5 of a building. A horizontal loading platform 3, having variable width, which is supported on horizontal beams 300 is assembled on these masts 1; these horizontal beams 300 are attached to the masts 1 by means of first attachment elements or anchors 130. Vertical protective panels 2 are assembled on the masts 1.
The masts I can be, for example, of the type described in European patent application EP10382052.8, i.e., formed by U-profiles attached at their central branches, between which U-profiles blocks are arranged for supporting the masts in the guiding and supporting heads 4, and which blocks also serve to hoist the masts by means of the hoisting means, such as hydraulic springs.
The heads 4, which allow guiding and supporting the masts 1, are anchored to the respective floors 5, being able to be a front anchor to the floor as shown in .Figure 1, or an anchor superimposed on the floor (not depicted).
Brief Description of the Drawings To complement the description that is being made and for the purpose of aiding to better understand the features of the invention according to a preferred practical embodiment thereof, a set of drawings is attached as an integral part of said description, in which the following has been depicted with an illustrative and non-limiting character:
Figure 1 is a side view of an embodiment of a perimetric protection system according to the present invention.
Figure 2 is a detailed view of a first embodiment of the fixed attachment between mast and inclined beam.
Figure 3 is a detailed view of a first embodiment of the fixed attachment between inclined beam and horizontal beam.
Figure 4 is a detailed view of a second embodiment of the articulated attachment between mast and inclined beam.
Figure 5 is a detailed view of a second embodiment of the articulated attachment between inclined beam and horizontal beam.
Figure 6 is a detailed view of a possible attachment between mast and horizontal beam.
Description of a Preferred Embodiment of the Invention Figure 1 shows a preferred embodiment of the system according to the present invention, comprising a pair of vertical masts 1 (since it is a side view, Figure 1 only shows one of them) which are supported by heads 4 anchored to the floors 5 of a building. A horizontal loading platform 3, having variable width, which is supported on horizontal beams 300 is assembled on these masts 1; these horizontal beams 300 are attached to the masts 1 by means of first attachment elements or anchors 130. Vertical protective panels 2 are assembled on the masts 1.
The masts I can be, for example, of the type described in European patent application EP10382052.8, i.e., formed by U-profiles attached at their central branches, between which U-profiles blocks are arranged for supporting the masts in the guiding and supporting heads 4, and which blocks also serve to hoist the masts by means of the hoisting means, such as hydraulic springs.
The heads 4, which allow guiding and supporting the masts 1, are anchored to the respective floors 5, being able to be a front anchor to the floor as shown in .Figure 1, or an anchor superimposed on the floor (not depicted).
5 According to the preferred embodiment shown in Figure 1, the perimetric protection system further includes inclined projecting beams 100 parallel to one another (only one of them is shown). These inclined beams 100 are attached:
to the masts 1 by means of second attachment elements 110 forming a first angle a;
- to the horizontal beams 300 by means of third attachment elements 310 forming a second angle 13, and they have a length such that after the third attachment elements 310 said inclined beams have a free end 100a the height of which exceeds the height of the horizontal platform 3.
Protective panels 120 are coupled to the inclined beams 100 such that there is enough space to place and assemble said loading platform 3 between the floors of the building under construction and the mentioned inclined beams.
These inclined beams are assembled angularly between the masts 1 and the horizontal beams 300, forming a first angle a with the masts 1 and a second angle R with the horizontal beams 300 supporting the platform 3.
According to the first embodiment shown in Figures 2 and 3, these inclined beams 100 are attached to the masts 1 by means of fixed anchors 11 Oa, the first angle a being fixed, and they are attached to the horizontal beams 300 by means of fixed anchors 310a, the second angle (3 also being fixed.
The second angle R is normally n/2-a.
According to a second possible embodiment of the invention shown in Figures 4-6, the attachment between each inclined beam 100 and the corresponding mast 1 and horizontal beam 3 is by means of an articulated attachment.
Therefore Figure 4 shows a detail of how the inclined beam 100 is attached at its lower part to the mast I by means of an attachment element 110b. This attachment element 11 Ob includes an articulation 11Ob1 which allows varying the first angle a, as well as respective attachment parts 110b2 and 110b3 which allow the attachment with the regulation thereof to the mast 1 and to the inclined beam 100, respectively.
to the masts 1 by means of second attachment elements 110 forming a first angle a;
- to the horizontal beams 300 by means of third attachment elements 310 forming a second angle 13, and they have a length such that after the third attachment elements 310 said inclined beams have a free end 100a the height of which exceeds the height of the horizontal platform 3.
Protective panels 120 are coupled to the inclined beams 100 such that there is enough space to place and assemble said loading platform 3 between the floors of the building under construction and the mentioned inclined beams.
These inclined beams are assembled angularly between the masts 1 and the horizontal beams 300, forming a first angle a with the masts 1 and a second angle R with the horizontal beams 300 supporting the platform 3.
According to the first embodiment shown in Figures 2 and 3, these inclined beams 100 are attached to the masts 1 by means of fixed anchors 11 Oa, the first angle a being fixed, and they are attached to the horizontal beams 300 by means of fixed anchors 310a, the second angle (3 also being fixed.
The second angle R is normally n/2-a.
According to a second possible embodiment of the invention shown in Figures 4-6, the attachment between each inclined beam 100 and the corresponding mast 1 and horizontal beam 3 is by means of an articulated attachment.
Therefore Figure 4 shows a detail of how the inclined beam 100 is attached at its lower part to the mast I by means of an attachment element 110b. This attachment element 11 Ob includes an articulation 11Ob1 which allows varying the first angle a, as well as respective attachment parts 110b2 and 110b3 which allow the attachment with the regulation thereof to the mast 1 and to the inclined beam 100, respectively.
6 Figure 5 similarly shows a detail of how the inclined beam 100 is attached at its upper part to the horizontal beam 300 by means of an attachment element 310b. This attachment element 310b has an articulation 310b1 which allows varying the second angle (3, as well as respective attachment parts 310b2 and 310b3 which allow the attachment with the regulation thereof to the horizontal beam 300 and to the inclined beam 100, respectively.
Figure 6 shows a detail of a possible embodiment of the attachment part 130 perpendicular between the mast 1 and the horizontal beam 300.
Like the masts 1, these inclined beams 100 which are angularly assembled are made up of two U-profiles, though somewhat smaller (though they could also be identical).
As can be seen in the details shown in Figures 2-6, the masts 1, the inclined beams 100 and the horizontal beams 300 have a series of alignments of circular holes 8 and slit holes 9 for their connection by means of the corresponding screws and/or pins.
The same occurs with the attachment and articulation elements, which also have those alignments of circular holes and slit holes, facilitating their assembly in the beams.
In view of this description and set of drawings, the person skilled in the art will understand that the embodiments of the invention that have been described can be combined in many ways within the object of the invention.
Figure 6 shows a detail of a possible embodiment of the attachment part 130 perpendicular between the mast 1 and the horizontal beam 300.
Like the masts 1, these inclined beams 100 which are angularly assembled are made up of two U-profiles, though somewhat smaller (though they could also be identical).
As can be seen in the details shown in Figures 2-6, the masts 1, the inclined beams 100 and the horizontal beams 300 have a series of alignments of circular holes 8 and slit holes 9 for their connection by means of the corresponding screws and/or pins.
The same occurs with the attachment and articulation elements, which also have those alignments of circular holes and slit holes, facilitating their assembly in the beams.
In view of this description and set of drawings, the person skilled in the art will understand that the embodiments of the invention that have been described can be combined in many ways within the object of the invention.
Claims (8)
1.- Perimetric protection system for a building under construction comprising - at least two vertical masts (1) spaced from one another and each formed by two U-profiles;
- a loading platform (3) supported on at least two horizontal beams (300) attached to the masts by means of first attachment elements or anchors (130), characterized in that the loading platform (3) is included within the perimetric protection, the loading platform at one end being fixed to the at least two masts (1) and at the other end being fixed to at least two inclined projecting beams (100) on which protective panels (120) are assembled.
- a loading platform (3) supported on at least two horizontal beams (300) attached to the masts by means of first attachment elements or anchors (130), characterized in that the loading platform (3) is included within the perimetric protection, the loading platform at one end being fixed to the at least two masts (1) and at the other end being fixed to at least two inclined projecting beams (100) on which protective panels (120) are assembled.
2.- Perimetric protection system according to claim 1, characterized in that the system comprises:
at least two inclined projecting beams (100) parallel to one another;
- the at least two inclined beams (100) being attached to the masts (1) by means of at least two second attachment elements (110) forming a first angle (a);
- the at least two inclined beams (100) being attached to the horizontal beams (300) by means of at least two third attachment elements (310) forming a second angle (0); and, the at least two inclined beams (100) having a length such that after the third attachment elements (310) said inclined beams have a free end (100a) the height of which exceeds the height of the horizontal platform (3);
the system further including:
- protective panels (120) attached to said at least two inclined beams (100).
at least two inclined projecting beams (100) parallel to one another;
- the at least two inclined beams (100) being attached to the masts (1) by means of at least two second attachment elements (110) forming a first angle (a);
- the at least two inclined beams (100) being attached to the horizontal beams (300) by means of at least two third attachment elements (310) forming a second angle (0); and, the at least two inclined beams (100) having a length such that after the third attachment elements (310) said inclined beams have a free end (100a) the height of which exceeds the height of the horizontal platform (3);
the system further including:
- protective panels (120) attached to said at least two inclined beams (100).
3.- Perimetric protection system according to claim 2, wherein the first angle (a) and the second angle (p) are fixed, and the second attachment elements (110) and the third attachment elements (310) are fixed attachments (110a, 310a)
4.- Perimetric protection system according to claim 2, wherein the first angle (.alpha.) and the second angle (.beta.) are variable, and the second attachment elements (110) and the third attachment elements (310) are articulated attachments (110b, 310b).
5.- Perimetric protection system according to any of claims 1-4, wherein said at least two masts are formed by two vertical U-profiles open towards opposite lateral sides.
6.- Perimetric protection system according to any of claims 1-5, wherein said at least two inclined beams (100) are each formed by two attached U-profiles open towards opposite sides.
7.- Perimetric protection system according to any of claims 1-6, wherein the masts (1), the inclined beams (100) and the horizontal beams (300) have alignments of circular holes (8) and slit holes (9).
8 - Perimetric protection system according to any of claims 1-7, further comprising vertical protective panels (2) attached to the at least two masts (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2734994A CA2734994C (en) | 2011-03-24 | 2011-03-24 | Perimetric protection system for buildings undergoing construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2734994A CA2734994C (en) | 2011-03-24 | 2011-03-24 | Perimetric protection system for buildings undergoing construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2734994A1 true CA2734994A1 (en) | 2012-09-24 |
| CA2734994C CA2734994C (en) | 2018-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2734994A Active CA2734994C (en) | 2011-03-24 | 2011-03-24 | Perimetric protection system for buildings undergoing construction |
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| Country | Link |
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| CA (1) | CA2734994C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023111378A1 (en) * | 2021-12-15 | 2023-06-22 | Ulma C Y E, S.Coop. | Self-climbing modular system for the protection of civil works and buildings under construction |
-
2011
- 2011-03-24 CA CA2734994A patent/CA2734994C/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023111378A1 (en) * | 2021-12-15 | 2023-06-22 | Ulma C Y E, S.Coop. | Self-climbing modular system for the protection of civil works and buildings under construction |
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| Publication number | Publication date |
|---|---|
| CA2734994C (en) | 2018-01-23 |
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Effective date: 20160115 |