EP3947854B1 - Dispositif de mise en place et de maintien d'un élément de tension à l'intérieur d'un profilé d'un panneau de coffrage vertical - Google Patents

Dispositif de mise en place et de maintien d'un élément de tension à l'intérieur d'un profilé d'un panneau de coffrage vertical Download PDF

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Publication number
EP3947854B1
EP3947854B1 EP20713382.8A EP20713382A EP3947854B1 EP 3947854 B1 EP3947854 B1 EP 3947854B1 EP 20713382 A EP20713382 A EP 20713382A EP 3947854 B1 EP3947854 B1 EP 3947854B1
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EP
European Patent Office
Prior art keywords
profile
hole
tension member
wider
formwork panel
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.)
Active
Application number
EP20713382.8A
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German (de)
English (en)
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EP3947854A1 (fr
Inventor
Chiara FARESIN
Lucia FARESIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faresin Formwork SpA
Original Assignee
Faresin Formwork SpA
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Publication date
Priority claimed from IT102019000005054A external-priority patent/IT201900005054A1/it
Application filed by Faresin Formwork SpA filed Critical Faresin Formwork SpA
Publication of EP3947854A1 publication Critical patent/EP3947854A1/fr
Application granted granted Critical
Publication of EP3947854B1 publication Critical patent/EP3947854B1/fr
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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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Definitions

  • the present invention relates to a device for the positioning and retention of a tension member within a profile of a vertical casting formwork panel.
  • formwork which comprises a plurality of predominantly vertically extended panels so as to form a shape within which the casting is performed.
  • the opposite panels of the formwork are usually connected and kept in position at a preset mutual distance by two or more tension members which extend between them.
  • the panels of the formwork comprise a perimetric profile which has through holes adapted for the insertion of one of these tension members.
  • retention devices are used which are substantially constituted by threaded washers, also known as wing nuts, within which the tension member is screwed, said tension member being constituted in turn by a threaded bar usually made of steel.
  • These retention devices each have a threaded hole through which the tension member slides to a predefined extension.
  • the panels which are generally modular, are coupled in a mirror-symmetrical manner and are fixed to each other by means of these tension members.
  • the tension members are in turn locked, by means of these retention devices, in contact with the external surface of the panels.
  • the concrete applies to the walls of the formwork, constituted by the panels, a thrust that is balanced by the tension members.
  • the retention devices hinder the movement of the panels of the formwork along said tension members.
  • the retention devices are therefore usually dedicated to one type of tension member or the other.
  • the aim of the present invention is to provide a device for the positioning and retention of a tension member within a profile of a vertical casting formwork panel that is capable of improving the background art in one or more of the aspects indicated above.
  • an object of the invention is to provide a device for the positioning and retention of a tension member within a profile of a vertical casting formwork panel that can be used both with tension members having cylindrical ends and with tension members having frustum-shaped ends.
  • Another object of the invention is to provide a device for the positioning and retention of a tension member within a profile of a vertical casting formwork panel that can be used with any type of tension member regardless of the size thereof.
  • Another object of the invention is to provide a device for the positioning and retention of a tension member within a profile of a formwork panel that is highly reliable, relatively easy to provide and at competitive costs.
  • a device for the positioning and retention of a tension member within a profile of a formwork panel, the device comprising a first tubular body adapted to be inserted within a through hole provided on said profile of said formwork panel, said first body having a wider abutment portion arranged at one of its ends, said wider portion being adapted to be in contact with the surface of said formwork panel that is directed toward the outside of said formwork.
  • the invention also provides a device according to claim 9.
  • the device for the positioning and retention of a tension member within a profile of a formwork panel is designated generally by the reference numeral 10.
  • the device 10 is inserted within a through hole, designated by the reference numeral 13 in Figure 2 , on a profile 11 of a formwork panel for vertical castings, not shown in the figures.
  • the device 10 comprises a first tubular body 12.
  • the first tubular body 12 is preferably but not exclusively made of metallic material and is adapted to be inserted within the through hole 13 that is present on the profile 11 of the formwork panel.
  • the external circumference of the first tubular body 12 is substantially equal to the internal circumference of the hole 13 of the profile 11.
  • the first tubular body 12 is suitable for the insertion of a substantially cylindrical end of a tension member, not shown in the figures, within its through hole 16.
  • This first tubular body 12 has a wider abutment portion 14 arranged at one of its ends.
  • the hole 16 of the first body 12 has a frustum-like shape, with the section having the smallest circumference located at the end of the wider portion 14 directed toward the outside of the formwork.
  • the wider portion 14 is adapted to be in contact with the surface of the profile 11 of the formwork panel that is directed toward the outside of the formwork, in order to ensure retention between the panel and the tension member.
  • An interference is generated between the contour of the wider portion 14 and the edge of the hole 13 of the profile 11, which produces an interference and an association between the two.
  • This portion 14 has a D-shaped profile of the perimetric edge, the straight part of which is suitable for contact with a protrusion 15 of the profile 11 in order to hinder the rotation of the device 10 during the insertion/screwing of the tension member.
  • the portion 14 has a step-like shape, considering the direction of the axis of extension of the first body 12, as is evident from Figures 3a and 3b .
  • the device 10 comprises a first tubular body 12, such as the one described above, and a second tubular body 17, which is adapted to be inserted at least partially in the first body 12.
  • the second body 17 is fully inserted in the first body 12 and the two bodies, the first one 12 and the second one 17, have the same length.
  • the second body 17 tapers externally and has a frustum-shaped hole 18.
  • the second body 17 has two wider end portions 19a and 19b and a plurality of annular protrusions 20 between these two end portions 19a and 19b, which form the taper.
  • the second tubular body 17 is adapted for the insertion of a substantially frustum-shaped end of a tension member, not shown in the figures, within its through hole 18.
  • the second tubular body 17 is adapted for the insertion of a tension member with a frustum-shaped end that can be threaded or not.
  • the hole 18 of the second body 17 has a frustum-like shape, with the section having the smallest circumference located at the end of the wider portion 14 that is directed toward the outside of the formwork.
  • the second body 17 is preferably but not exclusively made of plastic material.
  • the second body 17 is inserted within the first body 12, associating itself with it stably.
  • annular protrusions 20 are adapted to generate an interlock/interference between the first body 12 and the second body 17.
  • the device 10 is constituted only by the first body 12 and the method of use is the one shown in Figures 1 and 2 .
  • the device 10 is constituted by the association between the first body 12 and the second body 17, and the method of use is the one shown in Figures 4 , 5 and 7 .
  • Figures 8 to 12 show a device for the positioning and retention of a tension member within a profile of a vertical casting formwork panel, according to the invention, in a third embodiment.
  • the device in its third embodiment, is designated generally by the reference numeral 110.
  • the device 110 is inserted within a through hole, designated by the reference numeral 113 in Figure 9 , on a profile 111 of a formwork panel, not shown in the figures.
  • the device 110 comprises:
  • the first tubular body 112 is preferably but not exclusively made of metallic material.
  • the outside circumference of the first tubular body 112 is substantially equal to the internal circumference of the hole 113 of the profile 111.
  • the first tubular body 112 is suitable for the insertion of an end of a tension member, not shown in the figures, within its through hole 116.
  • the hole 116 of the first body 112 has a frustum-like shape, with the section having the smaller circumference located proximate to the end 118.
  • This first tubular body 112 has a wider abutment portion 114, arranged at one of its ends 118, which protrudes from the profile 111, in the configuration for use of the device 110.
  • the wider portion 114 is adapted to be in contact with the surface of the profile 111 of the formwork panel that is directed toward the outside of the formwork, in order to ensure tightness between the panel and the tension member.
  • a geometric overlap is produced between the contour of the wider portion 114 and the rim of the hole 113 of the profile 111 which produces an interference and an association between the two.
  • This portion 114 has a D-shaped profile of the perimetric edge, the straight part of which is suitable for contact with a protrusion 115 of the profile 111, in order to hinder the rotation of the device 110 during the insertion/screwing of the tension member.
  • the portion 114 has a step-like shape, considering the direction of the axis of extension of the first body 112, as is evident from Figures 10a and 10b .
  • the second body 117 is made of plastic material and is suitable for the passage of at least part of the end of the tension member cited above within its through hole 119.
  • the through hole 119 of the second body 117 is coaxial to the hole 116 of the first body 112.
  • the plastic material of which the second body 117 is composed has such a structure that it can adapt the size and shape of the hole 119 to the size and shape of the tension member with minimum effort.
  • Such plastic material is for example polyester or rubber.
  • the second body 117 is arranged at/proximate to the end 118 of the first body 112 that protrudes from the profile 111 and therefore at the wider portion 114 of the first body 112.
  • the second body 117 has, in the following order, considering the axis of extension of its hole 119:
  • the first body 112 has an annular seat 123 for accommodating the second portion 121 of the second body 117 proximate to its end 118.
  • the second body 117 When the second body 117 is inserted in the first body 112, it is associated stably with it, interlocking it with its second portion 121 in the annular seat 123.
  • Figures 13 and 14 show a fourth embodiment of a device for the positioning and retention of a tension member within a profile of a formwork panel not according to the invention, designated generally by the reference numeral 210.
  • the device 210 is inserted within a through hole, designated by the reference numeral 213 in Figure 14 , on a profile 211 of a formwork panel for vertical castings, not shown in the figures.
  • the device 210 comprises:
  • the first tubular body 212 is preferably but not exclusively made of metallic material.
  • the external circumference of the first tubular body 212 is substantially equal to the internal circumference of the hole 213 of the profile 211.
  • the first body 212 has a portion 214 having a narrower cross-section arranged at one of its ends 218, which protrudes from the profile 211 in the configuration for use of the device 210.
  • Such portion 214 having a narrower cross-section has a perimeter that is substantially equal to the perimeter of a hole of a panel, not shown in the figures, which is fixed to the profile 211 and is adapted to be crossed by the device 210.
  • This hole of the panel corresponds to the hole 213 of the profile 211.
  • the device 210 protrudes through the hole of the panel with the portion 214 having a narrower cross-section and is kept within the profile 111 due to the interference between the edge of the first body 212 and the edge of the hole of the panel.
  • the inside of the first body 212 and the second body 217 are similar to those of the device described in the preceding embodiment.
  • the second body 217 is inserted in the first body 212 in a manner fully similar to what occurs for the first described embodiment of the device.
  • the use of the second body 217 in the first body 212 allows to use the device 210 with tension members of any shape and size.
  • the invention achieves the intended aim and objects, providing a device for the positioning and retention of a tension member within a profile of a vertical casting formwork panel that can be used both with tension members having cylindrical ends and with tension members having frustum-shaped ends.
  • the invention provides a device for the positioning and retention of a tension member within a profile of a vertical casting formwork panel that can be used with tension members of any size.
  • the materials used may be any according to the requirements and the state of the art.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (15)

  1. Dispositif (10) pour le positionnement et la retenue d'un élément de tension à l'intérieur d'un profilé (11) d'un panneau de coffrage, le dispositif (10) comportant un premier corps tubulaire (12) adapté pour être inséré à l'intérieur d'un trou traversant (13) prévu sur ledit profilé (11) dudit panneau de coffrage, ledit premier corps (12) ayant une partie de butée plus large (14) agencée à l'une de ses extrémités, ladite partie plus large (14) étant adaptée pour être en contact avec la surface dudit panneau de coffrage qui est dirigée vers l'extérieur dudit coffrage, dans lequel ladite partie plus large (14) a un profil en forme de D du bord périmétrique, caractérisé en ce que le dispositif (10) comporte un second corps tubulaire (17) ayant un trou traversant (18), adapté pour être inséré au moins partiellement dans ledit premier corps (12).
  2. Dispositif (10) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ladite partie plus large (14) a une forme analogue à un gradin, en considérant la direction de l'axe d'extension dudit premier corps (12).
  3. Dispositif (10) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit premier corps tubulaire (12) est de préférence en matériau métallique.
  4. Dispositif (10) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit second corps (17) est extérieurement conique.
  5. Dispositif (10) selon la revendication 4, caractérisé en ce que ledit trou (18) dudit second corps (17) a une forme tronconique avec la section transversale ayant la circonférence plus petite agencée à l'extrémité de ladite partie plus large (14) qui est dirigée vers l'extérieur dudit coffrage.
  6. Dispositif (10) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit second corps (17) a deux parties d'extrémité plus larges (19a, 19b) et une pluralité de saillies annulaires (20) entre lesdites deux parties d'extrémité plus larges (19a, 19b) .
  7. Dispositif (10) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit second corps (17) est de préférence en matière plastique.
  8. Dispositif (10) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit second corps (17) peut être entièrement inséré dans ledit premier corps (12) et ledit premier corps (12) et ledit second corps (17) ont la même longueur.
  9. Dispositif (110) pour le positionnement et la retenue d'un élément de tension à l'intérieur d'un profilé (111) d'un panneau de coffrage, le dispositif comportant :
    - un premier corps tubulaire (112), adapté pour être inséré à l'intérieur d'un trou traversant (113) prévu dans ledit profilé (111) dudit panneau de coffrage, ledit premier corps tubulaire (112) ayant une partie plus large (114) agencée à une extrémité (118) faisant saillie à partir du profilé (111), dans lequel la partie plus large (114) a un profil en forme de D du bord périmétrique,
    - un second corps (117) ayant un profil sensiblement toroïdal inséré à l'intérieur dudit premier corps tubulaire (112), caractérisé en ce que ledit second corps (117) a, dans l'ordre suivant, en considérant l'axe d'extension de son trou (119) :
    - une première partie sensiblement analogue à un disque (120), qui est adaptée pour être uniformément de niveau avec ladite extrémité (118) dudit premier corps (112),
    - une deuxième partie annulaire (121) avec un diamètre extérieur qui est plus grand que le diamètre extérieur de ladite première partie (120),
    - une troisième partie annulaire (122), qui a à son tour :
    - un diamètre extérieur qui est plus petit que le diamètre extérieur de ladite deuxième partie (121) et est sensiblement égal au diamètre extérieur de ladite première partie (120),
    - un diamètre intérieur qui est sensiblement égal au diamètre intérieur de ladite deuxième partie (121) et de telle manière à produire, avec la paroi périmétrique dudit trou (116) dudit premier corps (30), une surface uniformément de niveau.
  10. Dispositif (110) selon la revendication 9, caractérisé en ce que ledit premier corps (112) a un trou (116) qui est coaxial au trou (119) dudit second corps (117) .
  11. Dispositif (110, 210) selon une ou plusieurs des revendications 9 et 10, caractérisé en ce que ledit second corps (110) est en matière plastique.
  12. Dispositif (110) selon une ou plusieurs des revendications 9 à 11, caractérisé en ce que ledit second corps (117) est agencé sur/près de l'extrémité (118) dudit premier corps (112) qui fait saillie à partir dudit profilé (111) dans la configuration d'utilisation dudit dispositif (110).
  13. Dispositif (110) selon une ou plusieurs des revendications 9 à 12, caractérisé en ce que ledit premier corps (112) a un logement annulaire (123) pour recevoir ladite deuxième partie (121) dudit second corps (117) près de ladite extrémité (118).
  14. Dispositif (110) selon une ou plusieurs des revendications 9 à 13, caractérisé en ce que ledit trou (116) dudit premier corps (112) a une forme tronconique avec la section transversale ayant la circonférence plus petite située près de ladite extrémité (118).
  15. Dispositif (110) selon la revendication 9, caractérisé en ce que ladite partie plus large (114) a une forme analogue à un gradin, en considérant la direction de l'axe d'extension dudit premier corps (112).
EP20713382.8A 2019-04-04 2020-03-11 Dispositif de mise en place et de maintien d'un élément de tension à l'intérieur d'un profilé d'un panneau de coffrage vertical Active EP3947854B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102019000005054A IT201900005054A1 (it) 2019-04-04 2019-04-04 Dispositivo per il posizionamento e la tenuta di un tirante all'interno di un profilo di un pannello di casseratura per getti verticali
IT202000001861 2020-01-31
PCT/IB2020/052136 WO2020201857A1 (fr) 2019-04-04 2020-03-11 Dispositif de mise en place et de maintien d'un élément de tension à l'intérieur d'un profilé d'un panneau de coffrage vertical

Publications (2)

Publication Number Publication Date
EP3947854A1 EP3947854A1 (fr) 2022-02-09
EP3947854B1 true EP3947854B1 (fr) 2023-05-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20713382.8A Active EP3947854B1 (fr) 2019-04-04 2020-03-11 Dispositif de mise en place et de maintien d'un élément de tension à l'intérieur d'un profilé d'un panneau de coffrage vertical

Country Status (9)

Country Link
US (1) US20220205258A1 (fr)
EP (1) EP3947854B1 (fr)
CN (1) CN113710859A (fr)
AU (1) AU2020250980A1 (fr)
CA (1) CA3132194A1 (fr)
ES (1) ES2946693T3 (fr)
MA (1) MA55485A (fr)
MX (1) MX2021012123A (fr)
WO (1) WO2020201857A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908284C2 (de) * 1979-03-03 1981-03-19 Peri-Werk Artur Schwörer KG, 7912 Weißenhorn Schaltafel für Betonwände
DE3445746A1 (de) * 1984-12-14 1986-06-19 Emil Steidle Gmbh & Co, 7480 Sigmaringen Verschluss fuer spannanker-durchgangsloecher
DE8710675U1 (fr) * 1987-08-04 1988-12-01 Emil Steidle Gmbh & Co, 7480 Sigmaringen, De
EP1678062B1 (fr) * 2003-10-03 2011-03-09 Feeney Wire Rope & Rigging Appareil de prise a cable autobloquant et tendu par ressort
CN201395941Y (zh) * 2008-12-29 2010-02-03 大连阿尔滨集团有限公司 大模板对拉钢绞线
AT14639U1 (de) * 2013-04-15 2016-03-15 Mikhail Bunt Schalungselement
DE102014012037A1 (de) * 2014-08-16 2016-02-18 Redima Ag Ankervorrichtung einer Betonwandschalung, Schalungselement und Verfahren zum Montieren einer Ankervorrichtung
EP3181781A1 (fr) * 2015-12-18 2017-06-21 DOKA GmbH Receptacle de tirant de coffrage
EP3258032A1 (fr) * 2016-06-17 2017-12-20 ULMA C y E, S. Coop Dispositif d'ancrage destiné à un coffrage vertical et ledit coffrage

Also Published As

Publication number Publication date
MX2021012123A (es) 2021-11-03
CN113710859A (zh) 2021-11-26
US20220205258A1 (en) 2022-06-30
EP3947854A1 (fr) 2022-02-09
ES2946693T3 (es) 2023-07-24
CA3132194A1 (fr) 2020-10-08
AU2020250980A1 (en) 2021-11-11
MA55485A (fr) 2022-02-09
WO2020201857A1 (fr) 2020-10-08

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