EP0374064A1 - Insulating formwork for concrete wall - Google Patents
Insulating formwork for concrete wall Download PDFInfo
- Publication number
- EP0374064A1 EP0374064A1 EP89420495A EP89420495A EP0374064A1 EP 0374064 A1 EP0374064 A1 EP 0374064A1 EP 89420495 A EP89420495 A EP 89420495A EP 89420495 A EP89420495 A EP 89420495A EP 0374064 A1 EP0374064 A1 EP 0374064A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panels
- formwork
- slits
- horizontal
- vertical
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8652—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties located in the joints of the forms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2002/8688—Scaffoldings or removable supports therefor
Definitions
- the present invention relates to an insulating modular panel and to a concrete-wall formwork of which the sidewalls are made up of such modular panels. The latter become an integral part of this wall after the concrete has set.
- the invention is an improvement of that in Applicant's prior U.S. patent n o 4,742,659 of May 10, 1988.
- each module is formed of two identical sections disposed in mirror position.
- Each module section is a panel having inner spaced ribs which terminate short of the top and bottom panel edges and inserts are embedded in the ribs, having apertures opening into the free spaced formed by the ends of the ribs and the panel edges.
- Tie-rods of adjoining modules are further interlocked by vertical coupling rods to prevent separation of the modules during pouring of the concrete.
- Reinforcement-bar supports are fixed to these coupling rods, being bent at their ends to form troughs into which horizontal reinforcement bars may be lodged.
- Another object of the invention is to provide a formwork assembly made of a reduced number of parts of different kinds. In fact, only three kinds are required: modules of the same design for making the sidewalls, tie-rods of the same design at each joint interlocking the modules of the two sidewalls, and standard angle-irons of the same size throughout the assembly.
- one aspect of the invention is in a modular panel made of foam plastic material and having the usual flat inner and outer faces; upper and lower horizontal edges and vertical end edges.
- This panel is formed with: - longitudinal coplanar slits extending lengthwise of the upper and lower edges parallel to the inner and outer faces; - a first rabbet opening into the inner face and into the lower edge, and - a tongue along one of the vertical end edges and a groove along the other vertical end edge; the tongue and groove being sized to cooperate, respectively, with a groove and a tongue of like adjoining coplanar panels to form tongue-and-groove joints therewith.
- the invention is a concrete-wall formwork comprising a pair of sidewalls each formed of a plurality of stacked rows of coplanar panels as described above.
- the ledges and the second rabbets of adjoining panels operatively cooperate to form horizontal lap joints.
- the tongues and grooves of adjoining panels operatively cooperate to form vertical tongue-and-groove joints, spaced horizontally along the formwork sidewalls.
- the longitudinal slits of adjoining panels comprise upward slits in coplanar alignment with the downward slits.
- the formwork comprises a first group of angle-irons having vertical branches fitting into the upward slits and horizontal branches with holes therethrough, these horizontal branches extending toward the panels inner faces.
- a second group of angle-irons is also provided which have vertical branches fitting into the downward slits and horizontal branches with holes therethrough, these horizontal branches extending toward the panels inner faces.
- the horizontal branches overlap one another with the holes in register and tie-rods are provided which have a central portion located between the sidewalls and bent end portion extending through the registering holes and into the panels upper edges ; elbows between the portions fitting into the first rabbets.
- each modular panel is formed with a second rabbet opening onto one of the horizontal edges and onto the outer face; the panel further comprising a coplanar ledge projecting from the other of the horizontal edges in alignment with the second rabbet; the ledge and the second rabbet being sized to cooperate respectively with a second rabbet and with a ledge of like adjoining coplanar panels to form insulating lap joints therewith.
- At least some of the angle-irons extend beyond the tongue-and-groove joints thereby horizontally interlocking adjacent panels.
- FIGS 1, 2 and 3 show a modular panel 1 according to the invention.
- This panel 1 is cut as a generally rectangular body from a standard sheet of foam plastic material, preferably polystyrene, and then formed with an upper longitudinal slit 5 extending lengthwise of its upper edge 7. It is also formed with another longitudinal slit 9 along the lower edge 11 and coplanar with the slit 5. Edge 11 is formed at the factory so as to leave out a ledge 31 to which reference is made below. Both slits extend fully between the end edges 13 and 15 of the panel 1 and are parallel to the inner and outer faces 17 and 19 of the panel.
- the slits 5, 9, can easily be made in factory by a hot wire which makes it possible to use longer panels 1 thus reducing the number of vertical end joints between successive panels.
- first rabbet 21 which opens both onto the inner face 17 of the panel and onto its lower edge 11.
- Each panel 1 is further formed, at the factory, with a tongue 25 along the vertical end edge 13 and with a groove 27 along the other end edge 15.
- the tongue 25 and groove 27 are appropriately dimensioned to cooperate, respectively, with a groove and a tongue of like adjoining coplanar panels to form tongue-and-grove joints useful in resisting lateral pressure from the concrete mix as it is poured into the formwork.
- the panel 1 is additionally provided with a second rabbet 29 opening onto the upper edge 7 and also onto the outer face 19.
- the aforesaid ledge 31 projects from the lower edge 11 and is in vertical alignment with this second rabbet 29.
- the ledge 31 and the rabbet 29 are properly dimensioned so as to cooperate, respectively, with a second rabbet and with a ledge of like adjoining coplanar panels to form insulating lap joints which serve to avoid the formation of thermal bridges between the outside of the concrete wall and the inside of the building.
- the slits 5, 9, the first and second rabbets 21, 29, and the ledge 31 extend uninterruptedly between the end edges 13, 15.
- the modular panel 1 can rapidly and easily be factory-made at low cost and does not require molding nor the embedding of inserts. Indeed, it can easily be cut out of a standard sheet of polystyrene foam.
- each sidewall is made up of a plurality of coplanar, edge- abutting panels 1 horizontally laid in rows one above the others with their tongues 25 and grooves 27 forming vertical joints and their longitudinal slits 5 and 9 forming, when the panels are assembled, upward slits in coplanar alignment with downward slits.
- the panels 1 are held in vertical alignment by the aforesaid tongue-and-groove joints and in vertical as well as in horizontal alignment by angle-irons 35 each having a vertical branch 37 and a horizontal branch 39 at right angle to one another.
- a first group of such angle-irons have their vertical branches 37 fitting snugly into the upward slits 9 and their horizontal branches 39 are pierced with holes 41 and 43, of which the purpose is determined hereinbelow.
- the horizontal branches 39 extend toward and preferably up to the panels inner faces 17.
- a second group of angle-irons are similarly mounted but with their vertical branches 37 fitting into the downward slits 5.
- Their horizontal branches 39 are likewise pierced with holes 41 and 43 and extend toward and preferably up to the panels inner faces 17. Branches 39 overlap one another, as shown, in a manner such that their holes 41, being properly positioned, are in register.
- Tie-rods 45 serve to hold the formwork sidewalls in form parallel vertical position during pouring of the concrete mix.
- Each tie-rod has a central portion 47 and their end portions 49 are bent out at right angle, joining the central portions 47 through elbows 51. As shown, the central portions 47 are located between the two sidewalls and their end portions 49 extend through the registering holes 41 and are forced into the panels, parallel to their faces, while the elbows 51 fit into the first rabbets 21.
- the latter may advantageously be V-bent along its central portion 47 to define nicks 55 into which are seated horizontal reinforcement bars 57.
- Vertical reinforcement bars 59 may also be added, if needed, and secured to the bars 57 and the tie-rods 45 in a manner known in the trade.
- two spaced rows of angle-irons 35 are first secured to a footing 61 (Fig. 7).
- the panels of the bottom row are then mounted over the angle-irons by their slits 9 and after their ledges 31 have been removed so that they may sit squarely on the footing by their lower edges 11.
- additional angle-irons are slid by their downward branches 37 into the slits 5.
- Other angle-irons are placed over them with the holes 41 in register and then end portions 49 of tie-rods 45 passed through the holes 41 and driven into the panels, parallel to their faces 17 and 19.
- the second row of panels may now be placed over the bottom one by inserting the upward branches 37 of the tie-rods into the downward slits 9. Subsequent rows of panels are set in the same manner.
- Figures 4 and 5 illustrate that still the same angle-irons 45 may be used in corners of the wall to be built. If a 45° bend is to be achieved, a 45° V-notch 67 is simply cut out of the horizontal branch 39 and the vertical branch 37 is bent at 45°. The same procedure is used for other angles, such as 90° bends.
- each post would consist of a pair of back-to-back slightly spaced angle-irons 35, temporarily held in place in any known manner against the sidewalls during concrete-mix casting.
- a stronger but releasable attachment is provided by conventional wall-tie anchors 63 of which the bolts extend between the two spaced angle-irons 35 to be fixed by washers and nuts applied against the free edges 7 of the angle-irons 35 while the anchoring bulbs lie within the formwork to become embedded in the concrete.
- the posts 61 may further be braced by another angle-iron 35 fixed to its at one end by bolts extending through holes 43 (Fig. 6) and to a ground stake 65 at the other end.
- Scaffold supports 67 may be fixed to the posts after the concrete has set and after the bracing angle-irons 35 have been removed.
- the panels 1 can also be used in vertical position to erect a formwork 33′.
- each sidewall of the formwork 33′ is made up of a plurality of coplanar, edge-abutting panels 1 vertically positioned one adjacent the other with their longitudinal slits 5 and 9 forming vertical slits in coplanar alignement with each other.
- the panels 1 are held in vertical as well as horizontal alignment by pairs of angle-irons 35 or, preferably, by T-shaped irons 35′ which extend vertically and whose opposite branches 37′, 37 ⁇ are inserted in opposite slits 5, 9 of each joint respectively and whose central branch 39 is pierced with holes and act as a support for the end of a tierod 45.
- further irons 35′ can be applied horizontally onto each group of panels 1 forming a side wall and screwed otherwise fixed to the vertical irons connecting the panels to keep constant the spacing between these vertical irons and thus prevent the sidewall from "opening".
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Building Environments (AREA)
Abstract
Description
- The present invention relates to an insulating modular panel and to a concrete-wall formwork of which the sidewalls are made up of such modular panels. The latter become an integral part of this wall after the concrete has set. The invention is an improvement of that in Applicant's prior U.S. patent no 4,742,659 of May 10, 1988.
- In the above-mentioned patent, there is disclosed a formwork made up of a series of plastic foam modules disposed in the manner of a brick wall and forming a mold into which concrete is poured; the formwork remaining permanently secured to the concrete to produce a concrete wall insulated both on the inside and on the outside. Each module is formed of two identical sections disposed in mirror position. Each module section is a panel having inner spaced ribs which terminate short of the top and bottom panel edges and inserts are embedded in the ribs, having apertures opening into the free spaced formed by the ends of the ribs and the panel edges. Once the two identical module sections are placed in mirror position, at the construction site, they are held together by horizontal tie-rods having hooked ends lockingly engaged in the insert apertures. Tie-rods of adjoining modules, disposed one above the other, are further interlocked by vertical coupling rods to prevent separation of the modules during pouring of the concrete. Reinforcement-bar supports are fixed to these coupling rods, being bent at their ends to form troughs into which horizontal reinforcement bars may be lodged.
- There is no particular problem involved in the use of this type of formwork but the manufacture of the module section is complex and therefore costly involving, as it does, the embedding of inserts and the creation, by molding, of inner ribs formed with notches at the top and at the bottom. Resort must also be had to pairs of tie-rods in each module, at the bottom and at the top, as well as to coupling rods for locking together the tie-rods of adjoining modules. Additionally, these numerous components render the assembly more complex and therefore time-consuming.
- It is an object of the present invention to provide formwork components of which the sidewall modules can be cut out of a standard sheet of foam plastic of convenient thickness and need no longer be molded, thereby appreciably reducing the complexity and cost of the manufacturing procedure.
- Another object of the invention is to provide a formwork assembly made of a reduced number of parts of different kinds. In fact, only three kinds are required: modules of the same design for making the sidewalls, tie-rods of the same design at each joint interlocking the modules of the two sidewalls, and standard angle-irons of the same size throughout the assembly.
- It is possible, in this manner, to keep inventories of parts at a low minimum and lower the time of assembling the formwork at the construction site.
- More specifically, one aspect of the invention is in a modular panel made of foam plastic material and having the usual flat inner and outer faces; upper and lower horizontal edges and vertical end edges. This panel is formed with:
- longitudinal coplanar slits extending lengthwise of the upper and lower edges parallel to the inner and outer faces;
- a first rabbet opening into the inner face and into the lower edge, and
- a tongue along one of the vertical end edges and a groove along the other vertical end edge; the tongue and groove being sized to cooperate, respectively, with a groove and a tongue of like adjoining coplanar panels to form tongue-and-groove joints therewith. - According to another aspect, the invention is a concrete-wall formwork comprising a pair of sidewalls each formed of a plurality of stacked rows of coplanar panels as described above. In this formwork, the ledges and the second rabbets of adjoining panels operatively cooperate to form horizontal lap joints. Similarly, the tongues and grooves of adjoining panels operatively cooperate to form vertical tongue-and-groove joints, spaced horizontally along the formwork sidewalls. Also the longitudinal slits of adjoining panels comprise upward slits in coplanar alignment with the downward slits. The formwork comprises a first group of angle-irons having vertical branches fitting into the upward slits and horizontal branches with holes therethrough, these horizontal branches extending toward the panels inner faces. A second group of angle-irons is also provided which have vertical branches fitting into the downward slits and horizontal branches with holes therethrough, these horizontal branches extending toward the panels inner faces. In this formwork, the horizontal branches overlap one another with the holes in register and tie-rods are provided which have a central portion located between the sidewalls and bent end portion extending through the registering holes and into the panels upper edges ; elbows between the portions fitting into the first rabbets.
- In a preferred embodiment, each modular panel is formed with a second rabbet opening onto one of the horizontal edges and onto the outer face; the panel further comprising a coplanar ledge projecting from the other of the horizontal edges in alignment with the second rabbet; the ledge and the second rabbet being sized to cooperate respectively with a second rabbet and with a ledge of like adjoining coplanar panels to form insulating lap joints therewith.
- Preferably also, at least some of the angle-irons extend beyond the tongue-and-groove joints thereby horizontally interlocking adjacent panels.
- The prior art cited in US. patent 4,742,659, mentioned above, has been reviewed by Applicant but not found pertinent to the invention as claimed herein.
- Other objects and features of the invention will become apparent from the description that follows of a preferred embodiment, having reference to the appended drawings and given as an example only as to how the invention may be put into practice.
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- Figure 1 is a shortened top plan view of a modular panel made according to the invention;
- Figure 2 is a cross-sectional view in a plane along line II-II of Figure 1;
- Figure 3 is an elevation view of the panel of Figure 1;
- Figure 4 is an elevation view of a straight angle-iron as used with the panel of Figure 1;
- Figure 5 is an elevation view of a corner angle-iron;
- Figure 6 is a shortened top plan view of an angle-iron for use as a scaffold post;
- Figure 7 is a perspective view of part of a formwork made up of horizontally extending panels according to the invention;
- Figure 8 is a transverse cross-sectional view of the formwork after the concrete mix has been poured;
- Figure 9 is an elevation view of a tie-rod; and
- Figure 10 in a perspective view of part of another formwork made up of vertically extending panels according to the invention.
- Figures 1, 2 and 3 show a
modular panel 1 according to the invention. Thispanel 1 is cut as a generally rectangular body from a standard sheet of foam plastic material, preferably polystyrene, and then formed with an upperlongitudinal slit 5 extending lengthwise of itsupper edge 7. It is also formed with anotherlongitudinal slit 9 along thelower edge 11 and coplanar with theslit 5. Edge 11 is formed at the factory so as to leave out aledge 31 to which reference is made below. Both slits extend fully between theend edges panel 1 and are parallel to the inner andouter faces - The
slits longer panels 1 thus reducing the number of vertical end joints between successive panels. - Also easily machined at the factory, is a
first rabbet 21 which opens both onto theinner face 17 of the panel and onto itslower edge 11. - Each
panel 1 is further formed, at the factory, with atongue 25 along thevertical end edge 13 and with agroove 27 along theother end edge 15. Thetongue 25 andgroove 27 are appropriately dimensioned to cooperate, respectively, with a groove and a tongue of like adjoining coplanar panels to form tongue-and-grove joints useful in resisting lateral pressure from the concrete mix as it is poured into the formwork. - The
panel 1 is additionally provided with asecond rabbet 29 opening onto theupper edge 7 and also onto theouter face 19. - The aforesaid ledge 31 projects from the
lower edge 11 and is in vertical alignment with thissecond rabbet 29. As shown in Figure 8, theledge 31 and therabbet 29 are properly dimensioned so as to cooperate, respectively, with a second rabbet and with a ledge of like adjoining coplanar panels to form insulating lap joints which serve to avoid the formation of thermal bridges between the outside of the concrete wall and the inside of the building. Theslits second rabbets ledge 31 extend uninterruptedly between theend edges - As will be appreciated from the above description, the
modular panel 1 can rapidly and easily be factory-made at low cost and does not require molding nor the embedding of inserts. Indeed, it can easily be cut out of a standard sheet of polystyrene foam. - As illustrated in Figure 7,
panels 1 can be used to erect sidewalls of a formwork 33. In this embodiment, each sidewall is made up of a plurality of coplanar, edge-abutting panels 1 horizontally laid in rows one above the others with theirtongues 25 andgrooves 27 forming vertical joints and theirlongitudinal slits - The
panels 1 are held in vertical alignment by the aforesaid tongue-and-groove joints and in vertical as well as in horizontal alignment by angle-irons 35 each having avertical branch 37 and ahorizontal branch 39 at right angle to one another. - Referring to Figure 8, a first group of such angle-irons have their
vertical branches 37 fitting snugly into theupward slits 9 and theirhorizontal branches 39 are pierced withholes horizontal branches 39 extend toward and preferably up to the panels inner faces 17. A second group of angle-irons are similarly mounted but with theirvertical branches 37 fitting into thedownward slits 5. Theirhorizontal branches 39 are likewise pierced withholes Branches 39 overlap one another, as shown, in a manner such that theirholes 41, being properly positioned, are in register. - Tie-
rods 45, such as those seen in Figs. 8 and 9, serve to hold the formwork sidewalls in form parallel vertical position during pouring of the concrete mix. Each tie-rod has acentral portion 47 and theirend portions 49 are bent out at right angle, joining thecentral portions 47 throughelbows 51. As shown, thecentral portions 47 are located between the two sidewalls and theirend portions 49 extend through the registering holes 41 and are forced into the panels, parallel to their faces, while theelbows 51 fit into the first rabbets 21. - With the above arrangement, not only are the sidewalls firmly held in proper spaced parallel position but, with the
vertical branches 37 of sizeable length lodged snugly in theslits rods 45, the vertical alignment of the coplanarmodular slabs 1, and thus of the formwork sidewalls, is made safer. Resistance to the pressure developped by the concrete mix, as it is poured, is further enhanced by extending the angle-irons 35 beyond the tongue-and-groove joints (such as at 53 in Fig. 7). This horizontal interlock between panels also serves to intergrate allpanels 1 into a solid sidewall along, of course, with the action of thevertical branches 37 in theslits rods 45. It will be appreciated also that only three basic elements are required to build a concrete formwork according to the invention: the factory-made but not molded modular panel 10, the angle-iron 35 and the tie-rod 45. - The latter may advantageously be V-bent along its
central portion 47 to definenicks 55 into which are seated horizontal reinforcement bars 57. Vertical reinforcement bars 59 may also be added, if needed, and secured to thebars 57 and the tie-rods 45 in a manner known in the trade. - In building the formwork, two spaced rows of angle-
irons 35 are first secured to a footing 61 (Fig. 7). The panels of the bottom row are then mounted over the angle-irons by theirslits 9 and after theirledges 31 have been removed so that they may sit squarely on the footing by theirlower edges 11. Once the two bottom rows of panels are set into position and connected vertically by their tongue-and-groove joints, additional angle-irons are slid by theirdownward branches 37 into theslits 5. Other angle-irons are placed over them with theholes 41 in register and then endportions 49 of tie-rods 45 passed through theholes 41 and driven into the panels, parallel to theirfaces upward branches 37 of the tie-rods into thedownward slits 9. Subsequent rows of panels are set in the same manner. - Figures 4 and 5 illustrate that still the same angle-
irons 45 may be used in corners of the wall to be built. If a 45° bend is to be achieved, a 45° V-notch 67 is simply cut out of thehorizontal branch 39 and thevertical branch 37 is bent at 45°. The same procedure is used for other angles, such as 90° bends. - Finally, it may be advantageous, during assembly, to mount
posts 61 on the sidewalls for providing vertical alignment of the successive rows one upon the others and preventing thepanels 1 from lifting when concrete is poured. The posts may also be used in building a scaffold. Each post would consist of a pair of back-to-back slightly spaced angle-irons 35, temporarily held in place in any known manner against the sidewalls during concrete-mix casting. A stronger but releasable attachment is provided by conventional wall-tie anchors 63 of which the bolts extend between the two spaced angle-irons 35 to be fixed by washers and nuts applied against thefree edges 7 of the angle-irons 35 while the anchoring bulbs lie within the formwork to become embedded in the concrete. Theposts 61 may further be braced by another angle-iron 35 fixed to its at one end by bolts extending through holes 43 (Fig. 6) and to aground stake 65 at the other end. Scaffold supports 67 may be fixed to the posts after the concrete has set and after the bracing angle-irons 35 have been removed. - As illustrated in Figure 10, the
panels 1 can also be used in vertical position to erect a formwork 33′. - In this embodiment, each sidewall of the formwork 33′ is made up of a plurality of coplanar, edge-abutting
panels 1 vertically positioned one adjacent the other with theirlongitudinal slits - The
panels 1 are held in vertical as well as horizontal alignment by pairs of angle-irons 35 or, preferably, by T-shapedirons 35′ which extend vertically and whoseopposite branches 37′, 37˝ are inserted inopposite slits central branch 39 is pierced with holes and act as a support for the end of atierod 45. To prevent thepanels 1 from laterally spreading away and separating when concrete is poured in the formwork,further irons 35′ can be applied horizontally onto each group ofpanels 1 forming a side wall and screwed otherwise fixed to the vertical irons connecting the panels to keep constant the spacing between these vertical irons and thus prevent the sidewall from "opening".
Claims (12)
- wherein said panel (1) is formed with:
- longitudinal coplanar slits (5,9) extending lengthwise of said upper and lower edges (7,11) parallel to said inner and outer faces (17,19);
- a first rabbet (21) opening onto said inner face(17) and onto said lower edge(11), and
- a tongue (25) along one of said vertical end edges (13) and a groove (27) along the other vertical end edge (15); said tongue (25) and groove (27) being sized to cooperate, respectively, with a groove and a tongue of like adjoining coplanar panels to form tongue-and-groove joints therewith.
- a coplanar ledge (31) projecting from the other of said horizontal edges (7,11) in alignment with said second rabbet (29);said ledge (31) and said second rabbet(29) being sized to cooperate respectively with a second rabbet and with a ledge of like adjoining coplanar panels to form insulating lap joints therewith.
- a pair of formwork sidewalls each formed of a plurality of stacked horizontal rows of coplanar panels(1) as claimed in claim 2; said panels abutting one another along said horizontal and vertical edges(7,11);
- wherein ledges(31) and second rabbets(29) of adjoining panels (1) operatively cooperate to form horizontal lap joints;
- wherein tongues (25) and grooves (27) of adjoining panels (1) operatively cooperate to form vertical tongue-and-groove joints spaced horizontally along said formwork sidewalls;
-wherein longitudinal slits (5,9) of adjoining panels comprise upward slits in coplanar alignment with downward slits;
- a first group of angle-irons (35) having vertical branches (37) fitting into said upward slits (9), and horizontal branches (39) with holes (41,43) therethrough, said horizontal branches (39) extending toward said panels inner faces(17);
- a second group of angle-irons (35) having vertical branches (37) fitting into said downward slits (5), and horizontal branches (39) with holes (41,43) therethrough, said horizontal branches (39) extending toward said panels inner faces (17);
- wherein said horizontal branches (37) overlap one another with said holes in register, and
- tie-rods (45) having a central portion (47) located between said sidewalls and bent end portions (49) extending through said registering holes (41,43) and extending into said panel upper edges (7), elbows (51) between said portions fitting into said first rabbets (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89420495T ATE94243T1 (en) | 1988-12-16 | 1989-12-15 | INSULATING FORMWORK FOR CONCRETE WALLS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA586175 | 1988-12-16 | ||
CA000586175A CA1304952C (en) | 1988-12-16 | 1988-12-16 | Insulating formwork for concrete wall |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0374064A1 true EP0374064A1 (en) | 1990-06-20 |
EP0374064B1 EP0374064B1 (en) | 1993-09-08 |
Family
ID=4139306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89420495A Expired - Lifetime EP0374064B1 (en) | 1988-12-16 | 1989-12-15 | Insulating formwork for concrete wall |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0374064B1 (en) |
AT (1) | ATE94243T1 (en) |
AU (1) | AU619370B2 (en) |
CA (1) | CA1304952C (en) |
DE (1) | DE68909022T2 (en) |
ES (1) | ES2043078T3 (en) |
NZ (1) | NZ231786A (en) |
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WO1995030805A1 (en) * | 1994-05-10 | 1995-11-16 | Wallsystems International Ltd. | Insulating concrete form utilizing interlocking foam panels |
EP0692585A1 (en) * | 1994-07-11 | 1996-01-17 | Manfred Bruer | Form-element |
EP0857834A1 (en) * | 1997-02-11 | 1998-08-12 | Karl-Heinz Westermann | Method and frame for erecting concrete walls |
EP1061193A1 (en) * | 1999-06-18 | 2000-12-20 | Travodiam S.A. | Insulating formwork for the erecting of a concrete wall |
FR2795110A1 (en) | 1999-06-18 | 2000-12-22 | Travodiam S A | Insulating formwork for making concrete wall comprises two parallel insulating panels connected by fasteners and assembled along horizontal joints by rulers inserted in grooves |
FR2796406A1 (en) | 1999-07-12 | 2001-01-19 | Travodiam S A | Permanent shuttering for cement walls has two insulating panels with hinged connections to allow collapse for transport |
FR2874635A1 (en) * | 2004-09-01 | 2006-03-03 | Claude Detraz | Wall construction unit, has absorptive form comprising inner and outer panels which are integrated together by cross bars for constituting panel couples, and inner concrete pouring space formed in couples |
FR2891290A1 (en) * | 2005-09-29 | 2007-03-30 | Daniel Fovet | Hollow framework element forming plates fixing device for forming e.g. wall of single family house, has posts assembled by transverse struts, where each post is inserted into one of plates and has length greater than or equal to two meters |
CN100441796C (en) * | 2002-04-30 | 2008-12-10 | 邱则有 | Stereo bearing shuttering for reinforced concrete |
EP2078799A1 (en) | 2008-01-09 | 2009-07-15 | Joseph Portmann | Method for erecting walls and walls built according to this method |
DE102017108876A1 (en) | 2016-05-09 | 2017-11-09 | thermo-span Baustoffwerk Harml-Quehenberger GmbH | Shuttering element for the construction of noise barriers |
CN109750773A (en) * | 2019-02-26 | 2019-05-14 | 甘肃安居建设工程集团有限公司 | Assembly concrete external wall integrated dry hanging plate and construction method |
US11248383B2 (en) | 2018-09-21 | 2022-02-15 | Cooper E. Stewart | Insulating concrete form apparatus |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5657600A (en) * | 1994-06-20 | 1997-08-19 | Aab Building Systems Inc. | Web member for concrete form walls |
ES2134172B1 (en) * | 1998-01-21 | 2000-05-01 | Vivienda Imaginativa Sl | CONSTRUCTIVE SYSTEM FOR HOUSING AND SIMILAR. |
CA2496704A1 (en) | 2005-02-07 | 2006-08-07 | Serge Meilleur | Prefabricated metal formwork module for concrete |
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US2736188A (en) * | 1956-02-28 | Wilhelm | ||
DE2041991A1 (en) * | 1970-08-25 | 1972-03-23 | Heinz Wolf | Formwork system |
EP0118374A2 (en) * | 1983-02-08 | 1984-09-12 | Etablissements PATURLE | Construction system utilizing lost forms |
US4742659A (en) * | 1987-04-01 | 1988-05-10 | Le Groupe Maxifact Inc. | Module sections, modules and formwork for making insulated concrete walls |
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AU427575B2 (en) * | 1967-10-10 | 1972-08-28 | Hein Julius | Dry masonry wall |
GB2192941B (en) * | 1986-07-25 | 1990-10-03 | Rolls Royce Plc | A variable area aircraft air intake |
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1988
- 1988-12-16 CA CA000586175A patent/CA1304952C/en not_active Expired - Lifetime
-
1989
- 1989-12-14 NZ NZ231786A patent/NZ231786A/en unknown
- 1989-12-15 ES ES89420495T patent/ES2043078T3/en not_active Expired - Lifetime
- 1989-12-15 EP EP89420495A patent/EP0374064B1/en not_active Expired - Lifetime
- 1989-12-15 AT AT89420495T patent/ATE94243T1/en not_active IP Right Cessation
- 1989-12-15 DE DE89420495T patent/DE68909022T2/en not_active Expired - Fee Related
- 1989-12-15 AU AU46904/89A patent/AU619370B2/en not_active Ceased
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US2736188A (en) * | 1956-02-28 | Wilhelm | ||
DE2041991A1 (en) * | 1970-08-25 | 1972-03-23 | Heinz Wolf | Formwork system |
EP0118374A2 (en) * | 1983-02-08 | 1984-09-12 | Etablissements PATURLE | Construction system utilizing lost forms |
US4742659A (en) * | 1987-04-01 | 1988-05-10 | Le Groupe Maxifact Inc. | Module sections, modules and formwork for making insulated concrete walls |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995030805A1 (en) * | 1994-05-10 | 1995-11-16 | Wallsystems International Ltd. | Insulating concrete form utilizing interlocking foam panels |
US5704180A (en) * | 1994-05-10 | 1998-01-06 | Wallsystems International Ltd. | Insulating concrete form utilizing interlocking foam panels |
EP0692585A1 (en) * | 1994-07-11 | 1996-01-17 | Manfred Bruer | Form-element |
EP0857834A1 (en) * | 1997-02-11 | 1998-08-12 | Karl-Heinz Westermann | Method and frame for erecting concrete walls |
EP1061193A1 (en) * | 1999-06-18 | 2000-12-20 | Travodiam S.A. | Insulating formwork for the erecting of a concrete wall |
FR2795110A1 (en) | 1999-06-18 | 2000-12-22 | Travodiam S A | Insulating formwork for making concrete wall comprises two parallel insulating panels connected by fasteners and assembled along horizontal joints by rulers inserted in grooves |
FR2796406A1 (en) | 1999-07-12 | 2001-01-19 | Travodiam S A | Permanent shuttering for cement walls has two insulating panels with hinged connections to allow collapse for transport |
CN100441796C (en) * | 2002-04-30 | 2008-12-10 | 邱则有 | Stereo bearing shuttering for reinforced concrete |
EP1637663A1 (en) * | 2004-09-01 | 2006-03-22 | Claude Detraz | Wall construction elements |
FR2874635A1 (en) * | 2004-09-01 | 2006-03-03 | Claude Detraz | Wall construction unit, has absorptive form comprising inner and outer panels which are integrated together by cross bars for constituting panel couples, and inner concrete pouring space formed in couples |
FR2891290A1 (en) * | 2005-09-29 | 2007-03-30 | Daniel Fovet | Hollow framework element forming plates fixing device for forming e.g. wall of single family house, has posts assembled by transverse struts, where each post is inserted into one of plates and has length greater than or equal to two meters |
WO2007036643A1 (en) * | 2005-09-29 | 2007-04-05 | Daniel Fovet | Device for fixing two plates forming a formwork element |
EP2078799A1 (en) | 2008-01-09 | 2009-07-15 | Joseph Portmann | Method for erecting walls and walls built according to this method |
DE102017108876A1 (en) | 2016-05-09 | 2017-11-09 | thermo-span Baustoffwerk Harml-Quehenberger GmbH | Shuttering element for the construction of noise barriers |
AT518533B1 (en) * | 2016-05-09 | 2017-11-15 | Hubert Reich | Shuttering element for the construction of noise barriers |
AT518533A4 (en) * | 2016-05-09 | 2017-11-15 | Hubert Reich | Shuttering element for the construction of noise barriers |
US11248383B2 (en) | 2018-09-21 | 2022-02-15 | Cooper E. Stewart | Insulating concrete form apparatus |
CN109750773A (en) * | 2019-02-26 | 2019-05-14 | 甘肃安居建设工程集团有限公司 | Assembly concrete external wall integrated dry hanging plate and construction method |
Also Published As
Publication number | Publication date |
---|---|
DE68909022D1 (en) | 1993-10-14 |
NZ231786A (en) | 1991-11-26 |
ATE94243T1 (en) | 1993-09-15 |
AU4690489A (en) | 1990-06-21 |
DE68909022T2 (en) | 1994-02-17 |
CA1304952C (en) | 1992-07-14 |
EP0374064B1 (en) | 1993-09-08 |
ES2043078T3 (en) | 1993-12-16 |
AU619370B2 (en) | 1992-01-23 |
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