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EP3798387A1 - Abstützsystem für schalungen - Google Patents

Abstützsystem für schalungen Download PDF

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Publication number
EP3798387A1
EP3798387A1 EP19382826.6A EP19382826A EP3798387A1 EP 3798387 A1 EP3798387 A1 EP 3798387A1 EP 19382826 A EP19382826 A EP 19382826A EP 3798387 A1 EP3798387 A1 EP 3798387A1
Authority
EP
European Patent Office
Prior art keywords
purlin
head
slotted
holder
holders
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
Application number
EP19382826.6A
Other languages
English (en)
French (fr)
Other versions
EP3798387C0 (de
EP3798387B1 (de
Inventor
José Luis Ubiñana Félix
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.)
Sistemas Tecnicos de Encofrados SA
Original Assignee
Sistemas Tecnicos de Encofrados SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to ES19382826T priority Critical patent/ES2978588T3/es
Application filed by Sistemas Tecnicos de Encofrados SA filed Critical Sistemas Tecnicos de Encofrados SA
Priority to PL19382826.6T priority patent/PL3798387T3/pl
Priority to EP19382826.6A priority patent/EP3798387B1/de
Priority to BR112022005681A priority patent/BR112022005681A2/pt
Priority to US17/764,076 priority patent/US20220372774A1/en
Priority to CA3154746A priority patent/CA3154746A1/en
Priority to PCT/ES2020/070575 priority patent/WO2021058849A1/es
Priority to AU2020356415A priority patent/AU2020356415A1/en
Priority to CN202080067559.XA priority patent/CN115176063B/zh
Publication of EP3798387A1 publication Critical patent/EP3798387A1/de
Application granted granted Critical
Publication of EP3798387C0 publication Critical patent/EP3798387C0/de
Publication of EP3798387B1 publication Critical patent/EP3798387B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/486—Dropheads supporting the concrete after removal of the shuttering; Connecting means on beams specially adapted for dropheads
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms

Definitions

  • the support system for roof formworks object of this invention comprises several elements which bring novelty to the application field thereof, all of these designed to contribute greater stability for the system while facilitating the assembly and disassembly thereof.
  • One of the elements of the system corresponds to a purlin, consisting of a beam defined by a profile comprising a flat lower surface so that it can rest on the upper surface of one or more purlin holders.
  • the present purlin is characterised in that at least one end of the profile comprises a terminal, the base of which is defined by an inner corner adjacent to the profile and an outer corner longitudinally opposite from the previous one, the outer corner having a descending extension configured as a bearing point in a longitudinal slot of a purlin holder.
  • the system comprises a slotted purlin holder defined by a profile comprising a flat upper surface, characterised in that it comprises at least one slot in the longitudinal direction on the upper surface, suitable for receiving the descending extension of the terminal of the previous purlin.
  • This purlin and slotted purlin holder configuration offers an alternative support system for roof formworks, which is inexpensive to manufacture, enabling the operators to place the purlin in the slotted purlin holder from a level lower than the formwork, and which prevents the unintended detachment of the purlins once installed.
  • the purlin is the external edge of the descending extension which is defined in order to be the bearing point in the slot (i.e. it does not form a right angle, but rather an angle less than 90°), such that the purlin can be removed by pivoting it downwards with respect to said external edge. Thanks to this configuration, the upper end of the purlin does not rise when it is pivoted downwards, which prevents the movement of the supported formwork.
  • the extension has sufficient length so as to have the space necessary to remove the purlin from the slotted purlin holder by pivoting it downwards without needing to raise the supported formwork. This length, therefore, is linked to the depth and to the width of the slot, as well as to the distance from the slot to the side surface of the purlin holder.
  • the length of the extension is such that, in the resting condition thereof in said slot, the lower surface of the profile is at the same level as the upper surface of the purlin holder, while the terminal has a groove in the lower face thereof, transverse to the longitudinal direction of the profile and located between the inner corner and the outer corner, the depth and width dimensions of which enable there to be the necessary space in order to remove the purlin from the slotted purlin holder without needing to raise the supported formwork.
  • the space for removing the purlin from the slotted purlin holder is still provided without raising the supported formwork, while enabling the purlin to be at the same height in the case that the lower surface of the profile needs to rest on the upper surface of the slotted purlin holder, and not the terminal, leaving a section of the purlin cantilevered.
  • the upper corner of the outer face of the terminal is rounded, such that the removal of the purlin without raising the supported formwork is further facilitated.
  • the base of the terminal or at least the supporting extension, has a width larger than the base of the profile, with the intention of offering greater stability when resting on the slotted purlin holder.
  • a preferred embodiment may comprise two longitudinal slots in the entirety of the upper surface, suitable to enable receiving two purlins aligned with each other, one on each side of the slotted purlin holder.
  • the system may comprise slotted purlin holders comprising at least one terminal with an upper extension projected in the shape of a hook, configured to rest when in use in the slot of the slotted purlin holder described initially, the latter being adjacent to said terminal and in a transverse position, the upper surfaces of both purlin holders having the same height.
  • the system may comprise, in combination with the purlins and slotted purlin holders described above, consists of a head for posts, of the type comprising support elements for the purlin holders, characterised in that it comprises at least one supporting seat for the terminals of the purlins, consisting of a slotted surface or with a height difference or a stop flange, positioned at a height with respect to the support elements for purlin holders such that when in use the seat provides continuity, as a bearing point of said terminals, for the slots of the previous purlin holders.
  • the system enables the purlins to be positioned even in the heads, wherein the purlin holders are interrupted.
  • Another element of the present system consists of a distance fixer for the distance between purlin holders which is self-adjusting, defined by a profile comprising at least two lower slots intended to receive two parallel purlin holders, the distance of which is to be fixed, the slots being transverse to the longitudinal direction of the profile, being characterised in that the width of the slots in the entrance area thereof is larger than that of the purlin holders, while it is decreasing as the slot goes further into the profile to a width smaller than that of the purlin holders.
  • the present fixer enables the distance between the purlin holders to be fixed (and therefore helps to stabilise the formwork support system) without needing to place it precisely and without needing the purlin holders to be at a precise distance.
  • the height of the fixer is sufficiently reduced so that, when in use, it does not come in contact with the panels of the formwork, such that it is only the purlins that support them.
  • a transcendental element of the present system consists of a head for posts of the type comprising a horizontal support surface for purlin holders, which extends from two of the opposite sides of the head, the head being characterised in that it comprises two cylindrical crossbeams, parallel to each other, in a horizontal position, symmetrical with respect to a middle plane of the head and fastened to the horizontal support surface above the ends thereof.
  • the system comprises a purlin holder resting on the head, characterised in that it has at least one terminal, the base of which is defined by an inner corner adjacent to the profile and an outer corner longitudinally opposite from the previous one, each corner having a descending extension, which are at a suitable distance in order to fit one of the crossbeams of the head therebetween and with a very reduced clearance, the external descending extension of one crossbeam being such that it is the only bearing point of the purlin holder in said head.
  • the head can comprise a column collinear to the post and a mechanism for decoupling and lowering it along the column, such as those already known in the state of the art, in order to enable the descent of the horizontal support surface, as well as the crossbeams joined thereto. This facilitates the disassembly of the purlins and the purlin holders without needing to remove the posts.
  • this head can also combine the horizontal support surface for purlin holders with at least one supporting seat for purlins comprised in the head described above.
  • the horizontal support surface for purlin holders can be joined to the seat, such that the lowering mechanism can also lower the purlins supported thereon.
  • the seat can be joined to the horizontal surface by means of plates located at corresponding lateral ends.
  • the seat and the horizontal surface can be joined by means of a profile or by means of several plates which join corresponding internal perimeters surrounding the column.
  • the end of the external extension is preferably chamfered or rounded, or ends in an angle less than 90° such that the contact area on the horizontal surface of the head is reduced.
  • Another possible component of the system consists of a head for posts, of the type comprising support elements for purlin holders, a column collinear to the post, the height of which exceeds that of the purlin holders and a mechanism for lowering said support elements along said column.
  • This head is characterised in that it comprises at least one set of automatic holding means for a purlin holder, formed by a rod, either rigid or semi-rigid, with a substantially vertical upper section, the upper end of which is joined to the column at a height greater than that of the purlin holders, optionally in a manner that is tilting in comparison to the vertical plane coinciding with that of the purlin holder, and with a substantially horizontal lower section, positioned slightly above the purlin holder and linked to a deformable pushing element which enables it to move towards the column when a purlin holder presses it so as to be placed in the support element thereof and at the same time forces it to move away from the column once the purlin holder has been placed so as to be located above it.
  • the pushing element can consist of a spring-type element fastened to the column.
  • the pushing element may consist of a second rod placed on the other side of the column in a symmetrical manner, the corresponding lower sections being joined, either crossing through the column or on the side thereof, such that the very weight or the very elastic nature of the rods is what exerts the force in order to recover the resting positions thereof once the purlin holder has been placed.
  • this last head can include any of the features of the heads described above.
  • Another possible head of the system consists of one that, comprising at least one support element for a purlin holder, is characterised in that it comprises an overlapping accessory of a second purlin holder, consisting of at least one platen joined to the side of said support element, comprising a support surface configured to support the second purlin holder in a parallel position and at the same height that the first purlin holder would be at in the support element thereof.
  • a second purlin holder consisting of at least one platen joined to the side of said support element, comprising a support surface configured to support the second purlin holder in a parallel position and at the same height that the first purlin holder would be at in the support element thereof.
  • this overlapping accessory comprises a lateral retainer for the purlin holder, consisting of an ascending flange located at the end of the platen.
  • the overlapping accessory can also comprise at least one ascending projection configured to be introduced into at least one complementary hole located on the lower face of the second purlin holder.
  • Both this latter head and the purlin holder able to be overlapped with the hole complementary to the projection can respectively comprise the features of the heads and the purlin holders described above.
  • the present invention consists of a support system for roof formworks comprising several elements designed to provide greater stability to the system while facilitating the assembly and disassembly thereof.
  • one element of the system corresponds to purlins (1), consisting of a beam defined by a profile (11) comprising a lower flat surface so that it can rest on the upper surface of one or more slotted purlin holders (2).
  • one end of the profile (11) comprises a terminal (12), the base of which is defined by an inner corner (13) adjacent to the profile (11) and an outer corner (14) longitudinally opposite from the previous one, the outer corner (14) having a descending extension (15).
  • this embodiment of the system comprises slotted purlin holders (2) defined by a profile (21) comprising a flat upper surface with two longitudinal slots (20), suitable for receiving the extension (15) of the terminal (12) of the purlin.
  • the external face of the extension (15) does not end in a right angle, but rather in an angle somewhat less than 90°, such that it is the external edge (16) thereof which is defined to be the bearing point in the slots (20).
  • the length of the extension (15) is such that, in the resting condition thereof in said slots (20), the lower surface of the profile (11) is at the same level as the upper surface of the slotted purlin holders (2), while the terminal (12) has a groove (17) in the lower face thereof, transverse to the longitudinal direction of the profile (11) and located between the inner corner (13) and the outer corner (14), the depth and width dimensions of which enable there to be the necessary space in order to remove the purlins (1) from the slotted purlin holders (2) without needing to raise the supported formwork (not shown in the figures).
  • the upper corner (18) of the outer face of the terminal (12) is rounded.
  • Figure 4 shows an elevation view of a possible disassembly step of the present support system for roof formworks, wherein the supported formwork (E) is seen, as well as three rails of purlin holders and posts with the corresponding heads (3) and the lowering mechanisms (4) thereof.
  • the two heads on the right are in the disassembly position, with the corresponding mechanisms (4) unloaded, while the head (3) on the right is still with the loaded mechanism (4), meaning, anchored in the use position. Due to this, the situation occurs in which a purlin (1), in this case the middle one, is unloaded on one end and loaded on the other.
  • this preferred embodiment of the system also comprises an example of a slotted purlin holder (2), the terminal (22') of which has an upper extension (25") projected in the shape of a hook, configured to rest in the slots (20) of the slotted purlin holders (2) described initially, staying therebetween in a transverse position and with the upper surfaces having the same height.
  • Another element present in the system consists of a head for posts (3) whereon one or two slotted purlin holders (2) rest, which, in this preferred embodiment, comprises two seats (31) for the terminals (12) of the purlins (1), one on each side of the head.
  • the seats (31) of this exemplary embodiment consist of a surface with a height difference, which is positioned at a height such that it provides continuity, as a bearing point of said terminals (12), for the slots (20) of the previous purlin holders (2).
  • This embodiment of head (3) in turn comprises a horizontal support surface (32) for the purlin holders (2), which extends from two of the opposite sides of the head (3), as well as two cylindrical crossbeams (33), parallel to each other, in a horizontal position, symmetrical with respect to a middle plane of the head (3) and fastened to the horizontal surface (32) above the ends thereof.
  • the seats (31) and the crossbeams (33) are joined to the horizontal surface (32) by corresponding lateral ends.
  • this embodiment of head (3) comprises a column (34) collinear to the post supporting it and a mechanism (4) for decoupling and lowering the horizontal surface (32), as well as the seats (31) and the crossbeams (33), since they are joined to each other.
  • This embodiment of head (3) is linked to slotted purlin holders (2) resting on the head (3), as seen in Figures 8A and 8B .
  • These embodiments of slotted purlin holders (2) comprise terminals (22), the base of which is defined by an inner corner (23) adjacent to the profile (21) of said slotted purlin holders (2) and an outer corner (24) longitudinally opposite from the previous one, each corner (23, 24) having a descending extension (25, 25'), spaced in order to fit one of the crossbeams (33) of the head (3) therebetween with a reduced clearance, the external descending extension (25) of one crossbeam being such that it is the only bearing point of the slotted purlin holder (2) in said head (3).
  • the end of the external descending extension (25) does not end in a right angle, but in a somewhat smaller angle ( ⁇ ), such that the external edge (26) thereof is defined to be the bearing point on the horizontal surface (32), such that the contact area is reduced.
  • This head (3) as seen in Figures 7A, 7B and 8B , in turn comprises two automatic holding means (5) for two corresponding purlin holders.
  • This embodiment of the automatic holding means (5) is formed by two semi-rigid rods (51), with a substantially vertical upper section, both upper ends being fastened to that of the column (34), with corresponding substantially horizontal lower sections, joined through the column (34) and intended to be positioned slightly above the purlin holders (2).
  • the rods (51) are semi-rigid, such that they can become curved in the upper section thereof when pushed by a purlin holder and recover the resting position thereof once it is placed.
  • they resist the deformation thereof in a vertical direction, thus preventing the purlin holders from being unintentionally released.
  • This embodiment of head (3) in turn comprises an overlapping accessory (35) for purlin holders, being slotted purlin holders (2) in this embodiment.
  • This overlapping accessory (35) consists of a platen (36) joined to the side of the horizontal surface (32), comprising a support surface (37) configured to support an overlappable purlin holder (2') in a parallel position and at the same height as another purlin holder (2) supported by the horizontal surface (32).
  • This embodiment of overlapping accessory (35) also comprises an ascending projection (38) configured to be introduced into one of the complementary holes (27) located on the lower face of the overlappable purlin holder (2'), which can be seen in Figure 9 .
  • another element of the present system consists of a distance fixer (6) between purlin holders which is self-adjusting, defined by a profile (60) comprising at least two lower slots (61) intended to receive two parallel purlin holders (2) and the distance of which is to be fixed, the slots (61) being transverse to the longitudinal direction of the profile (60).
  • the width of the slots (61) in the entrance area thereof is larger than that of the purlin holders (2), while it is decreasing as the slots (61) enter further into the profile (60) until reaching a width smaller than that of the purlin holders (2).

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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)
  • Buckles (AREA)
  • Foundations (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
EP19382826.6A 2019-09-26 2019-09-26 Abstützsystem für schalungen Active EP3798387B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL19382826.6T PL3798387T3 (pl) 2019-09-26 2019-09-26 System nośny do deskowania
EP19382826.6A EP3798387B1 (de) 2019-09-26 2019-09-26 Abstützsystem für schalungen
ES19382826T ES2978588T3 (es) 2019-09-26 2019-09-26 Sistema de soporte para encofrados
US17/764,076 US20220372774A1 (en) 2019-09-26 2020-09-25 Support system for roof formworks
CA3154746A CA3154746A1 (en) 2019-09-26 2020-09-25 Support system for roof formworks
PCT/ES2020/070575 WO2021058849A1 (es) 2019-09-26 2020-09-25 Sistema de soporte de encofrados de techo
BR112022005681A BR112022005681A2 (pt) 2019-09-26 2020-09-25 Sistema de sustentação para fôrmas de telhado
AU2020356415A AU2020356415A1 (en) 2019-09-26 2020-09-25 Support system for roof formworks
CN202080067559.XA CN115176063B (zh) 2019-09-26 2020-09-25 一种屋顶模板支撑系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19382826.6A EP3798387B1 (de) 2019-09-26 2019-09-26 Abstützsystem für schalungen

Publications (3)

Publication Number Publication Date
EP3798387A1 true EP3798387A1 (de) 2021-03-31
EP3798387C0 EP3798387C0 (de) 2024-02-14
EP3798387B1 EP3798387B1 (de) 2024-02-14

Family

ID=68240695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19382826.6A Active EP3798387B1 (de) 2019-09-26 2019-09-26 Abstützsystem für schalungen

Country Status (9)

Country Link
US (1) US20220372774A1 (de)
EP (1) EP3798387B1 (de)
CN (1) CN115176063B (de)
AU (1) AU2020356415A1 (de)
BR (1) BR112022005681A2 (de)
CA (1) CA3154746A1 (de)
ES (1) ES2978588T3 (de)
PL (1) PL3798387T3 (de)
WO (1) WO2021058849A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023012675A3 (en) * 2021-08-03 2023-04-20 Peri Se Grid beam system for slab formwork

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Publication number Priority date Publication date Assignee Title
IT202200000569A1 (it) * 2022-01-17 2023-07-17 Faresin Formwork S P A Attrezzatura per la realizzazione di strutture di sostegno di casseforme per solai

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GB2065654A (en) 1979-12-19 1981-07-01 Upjohn Co Halogenation of 2-fluoroaniline
EP0751268A2 (de) 1991-04-30 1997-01-02 Scop Societe Nouvelle Ricard Modul-Stützsystem für Betondeckenschalungen
FR2760482A1 (fr) 1997-03-07 1998-09-11 Bruno Ricard Coffrage pour l'execution de dalles ou planchers en beton faisant application d'un systeme portant modulaire
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FR3012492A1 (fr) * 2013-10-25 2015-05-01 Alphi Structure modulaire de soutien
FR3021985A1 (fr) * 2014-06-05 2015-12-11 Alphi Dispositif de raccordement a stabilite amelioree
CN105926932A (zh) 2016-06-06 2016-09-07 富于安（福建）环保模板有限公司 一种杠杆式活动夹具及使用该活动夹具的早拆头
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US20180340342A1 (en) 2016-02-02 2018-11-29 Ulma C Y E, S. Coop. Horizontal Formwork

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DE102006015348A1 (de) * 2006-04-03 2007-10-04 Peri Gmbh Deckenschalungssystem
CN204920202U (zh) * 2015-09-09 2015-12-30 成长兄弟（北京）控股有限公司 一种设有卡座的主次梁结构
ES2677695B1 (es) * 2017-02-03 2019-03-22 Sist Tecnicos De Encofrados Sa Cabezal para puntal
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861918C (de) * 1951-07-26 1953-01-08 Ruhrstahl Ag Schalungstraeger
GB2065654A (en) 1979-12-19 1981-07-01 Upjohn Co Halogenation of 2-fluoroaniline
EP0751268A2 (de) 1991-04-30 1997-01-02 Scop Societe Nouvelle Ricard Modul-Stützsystem für Betondeckenschalungen
FR2760482A1 (fr) 1997-03-07 1998-09-11 Bruno Ricard Coffrage pour l'execution de dalles ou planchers en beton faisant application d'un systeme portant modulaire
EP1375781A1 (de) * 2001-04-03 2004-01-02 ULMA C y E, S. COOP. Schalungssystem für platten
ES2266434T3 (es) 2001-10-22 2007-03-01 Sistemas Tecnicos Encofrados, S.A. Viga para soporte de tableros de encofrado.
ES2269006A1 (es) 2006-07-28 2007-03-16 Ingenieria De Encofrados Y Servicios, S.L. "encofrado para pisos".
FR2923241A1 (fr) * 2007-11-02 2009-05-08 Alphi Sarl Structure de soutien de coffrage a poutrelles auto-stables
KR101012088B1 (ko) 2008-07-24 2011-02-07 금강공업 주식회사 슬라브 패널 설치 시스템
FR3012492A1 (fr) * 2013-10-25 2015-05-01 Alphi Structure modulaire de soutien
FR3021985A1 (fr) * 2014-06-05 2015-12-11 Alphi Dispositif de raccordement a stabilite amelioree
US20180340342A1 (en) 2016-02-02 2018-11-29 Ulma C Y E, S. Coop. Horizontal Formwork
CN105926932A (zh) 2016-06-06 2016-09-07 富于安（福建）环保模板有限公司 一种杠杆式活动夹具及使用该活动夹具的早拆头
US20180334818A1 (en) 2016-09-19 2018-11-22 Michael L. Lenkin Adjustable support device and shoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023012675A3 (en) * 2021-08-03 2023-04-20 Peri Se Grid beam system for slab formwork

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PL3798387T3 (pl) 2024-06-24
CN115176063A (zh) 2022-10-11
ES2978588T3 (es) 2024-09-16
AU2020356415A1 (en) 2022-04-14
WO2021058849A1 (es) 2021-04-01
US20220372774A1 (en) 2022-11-24
EP3798387C0 (de) 2024-02-14
BR112022005681A2 (pt) 2022-06-21
CA3154746A1 (en) 2021-04-01
CN115176063B (zh) 2024-09-13
EP3798387B1 (de) 2024-02-14

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