EP2236699B1 - Formwork for prismatic columns - Google Patents

Formwork for prismatic columns Download PDF

Info

Publication number
EP2236699B1
EP2236699B1 EP08871625.3A EP08871625A EP2236699B1 EP 2236699 B1 EP2236699 B1 EP 2236699B1 EP 08871625 A EP08871625 A EP 08871625A EP 2236699 B1 EP2236699 B1 EP 2236699B1
Authority
EP
European Patent Office
Prior art keywords
formwork
column
annular body
fins
prismatic
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
EP08871625.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2236699A4 (en
EP2236699A1 (en
Inventor
Jesús Sánchez Reñasco
JOSÉ MARíA SÁNCHEZ REÑASCO
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.)
Fatec SA
Original Assignee
Fatec 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
Application filed by Fatec SA filed Critical Fatec SA
Priority to SI200831930T priority Critical patent/SI2236699T1/en
Priority to PL08871625T priority patent/PL2236699T3/pl
Publication of EP2236699A1 publication Critical patent/EP2236699A1/en
Publication of EP2236699A4 publication Critical patent/EP2236699A4/en
Application granted granted Critical
Publication of EP2236699B1 publication Critical patent/EP2236699B1/en
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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor

Definitions

  • This invention pertains to a formwork of the type used in construction for producing prismatic columns, preferably of quadrangular section, although applicable to the production of columns with any polygonal section and with or without truncated vertices, a single-use formwork that can be eliminated at the time of stripping.
  • the object of the invention is to provide an extremely light, foldable formwork that is supplied in totally finished form, meaning that there is no need for specialized labor to assemble it or for additional materials such as adhesive tape and the like. Nor is there a need for intermediate assembly stages, so that final on-site assembly is extremely simple, with an equiangular distribution between the vertical faces of the prism corresponding to the column or pillar to be produced, as well as facilitating stabilization of the device in its emplacement and perfectly positioning the vertices of each column according to the desired orientation.
  • the outer surround is generally made from cardboard, plastic, and aluminum, while the inner tubular core is made from four cylindrical segments of high-density expanded polystyrene, duly lined, either directly joined by their edges or with their edges discernibly distanced in order to produce bevels corresponding to the column edges.
  • the formwork leaves the factory with a cylindrical configuration of slightly greater diameter than the diagonal of the column to be produced.
  • the formwork's volume is exactly the same when in storage or transport as it is when in use.
  • WO2005/083199 which discloses the preamble of claim 1, describes a formwork of the type discussed above, but with the difference that the tubular core is foldable at the storage and transportation stages, with a notable reduction in volume, the outer cover having at least one cut along one of its generatrices, allowing it to be mounted and dismounted on the tubular core at the time the formwork is used, with the aid of straps or locking elements that keep the tubular cover immobile in its working position or position for the pouring of concrete.
  • Said locking elements can take the form of straps or metal rings that encircle the formwork externally.
  • the fundamental problem presented by this kind of formwork is the complexity of assembly of said locking elements when they are in the form of metal rings, given that said rings' inner diameter must be equal to the outer diameter of the tubular core's outer cover, in order to avoid gaps when assembled. This renders the insertion of said rings over the surround of the tubular core much more difficult, an operation that must be carried out by qualified personnel, resulting in loss of time and higher costs.
  • ES2303450 describes a formwork of similar structural characteristics, but with the difference that the formwork's outer surround is complemented by at least one semi-rigid ring with an inner diameter that matches the outer diameter of the surround.
  • the ring fits tightly to the surround and has hinging regions along its generatrices that, in their storage or transport position, fit together with the hinging regions of the outer surround, while in the formwork's assembled position they are dephased from one another by turning the ring to a particular angle.
  • the invention is characterized by the fact that said formwork is supplied together with a laminate, annular body of a configuration in accordance with the geometry of the column or pillar to be produced, made of cardboard, wood, plastic, or another material of suitable stiffness for said element, with an inner
  • the formwork's inner faces extend into folding fins so that when the formwork is unfolded, said fins are introduced into the cavity of the annular body, in such a way that for said coupling to be effected properly, the formwork must present the exact assembly configuration for pouring the concrete or mixture in question, ensuring a perfect coplanarity between the opposed faces of the column's constituent prism.
  • the formwork will be supplied with two annular bodies, to which the fins that emerge from both ends of the formwork will be internally coupled.
  • said fins fold outward onto said annular body, being attached to it by any conventional means, such as clamps, nails, adhesives, etc.
  • the formwork can be attached to the floor or immobilized via said annular bodies, preventing the formwork from moving during the production of the column in question, by bracing with planks or any conventional means.
  • said annular bodies have markings on their surfaces indicating the exact positioning of each of the column or pillar vertices, in order to enable exact positioning and alignment of the formwork during setup, ensuring parallelism between contiguous pillars.
  • the formwork comprises a tubular core (1) internally defining a prismatic housing (2) for a column quadrangular in the chosen embodiment, but adaptable to any other polygonal configuration.
  • the core (1) is externally cylindrical, constituted on the basis of cylindrical segments of expanded polyurethane or a similar light material, with a leaktight inner lining (3) in order to conveniently seal the chamber or housing (2), said core being housed and stabilized in the cavity of a surround (4) made of a sufficiently strong material, such as paper, plastic, or aluminum, without this enumeration being in any way limiting, and having hinging regions corresponding to the edges (5) of the prismatic column for folding the formwork for storage or transport, allowing minimal occupation of space.
  • the invention is characterized by the fact that the inner surround (3), which determines each of the prismatic column's faces, extends beyond the formwork's lower and upper bases in the form of fins (6).
  • these have an isosceles trapezoidal configuration, but a rectangular configuration could equally be used, without affecting the essence of the invention.
  • the formwork has a pair of annular bodies (7), in this case quadrangular, and in all cases with geometry corresponding to the section of the column to be produced, these laminate, annular bodies (7) being made from cardboard, plastic, wood, or another material of suitable stiffness, the internal dimensions whereof will be appropriate for the dimensions of said column to be produced and the thickness whereof will be sufficient to determine the means of stabilizing the formwork, in such a way that the length of said fins will be appropriate for said thickness of the annular body (7).
  • the fins are folded onto the surface of each side of the annular body (7), being attached to it by means of adhesive, clamps, nails, or any other conventional means.
  • said annular bodies (7) will have markings (8) on their surfaces in the fonn of an extension of the internal edges of said ring and which will extend out to the external edge of the same, aiding said identification.
  • the annular body (7) can be divided into two L-shaped elements, attachable to one another using any conventional means (9), both at their ends and along their lengths, in different positions, as for example those shown in said figure 6 , in order that said assembly can be adapted to different-sized formworks. This is done in such a way that, in any case, attaching said elements in an L will produce an annular frame of appropriate section for the formwork in question, onto which the formwork's fins (6) can be likewise folded and attached.

Landscapes

  • 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)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Finishing Walls (AREA)
EP08871625.3A 2008-01-30 2008-11-20 Formwork for prismatic columns Active EP2236699B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200831930T SI2236699T1 (en) 2008-01-30 2008-11-20 Formwork for prismatic columns
PL08871625T PL2236699T3 (pl) 2008-01-30 2008-11-20 Szalunek dla pryzmatycznych kolumn

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200800237A ES2324191B1 (es) 2008-01-30 2008-01-30 Encofrado para columnas prismaticas.
PCT/ES2008/000725 WO2009095508A1 (es) 2008-01-30 2008-11-20 Encofrado para columnas prismáticas

Publications (3)

Publication Number Publication Date
EP2236699A1 EP2236699A1 (en) 2010-10-06
EP2236699A4 EP2236699A4 (en) 2013-02-13
EP2236699B1 true EP2236699B1 (en) 2018-01-10

Family

ID=40886021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08871625.3A Active EP2236699B1 (en) 2008-01-30 2008-11-20 Formwork for prismatic columns

Country Status (25)

Country Link
EP (1) EP2236699B1 (xx)
JP (1) JP5202648B2 (xx)
KR (1) KR20100118563A (xx)
CN (1) CN101925711B (xx)
AU (1) AU2008349602A1 (xx)
CA (1) CA2710533A1 (xx)
CO (1) CO6300800A2 (xx)
CU (1) CU20100142A7 (xx)
CY (1) CY20222200001T2 (xx)
DE (1) DE08871625T1 (xx)
DK (1) DK2236699T3 (xx)
EA (1) EA018103B1 (xx)
EG (1) EG25988A (xx)
ES (1) ES2324191B1 (xx)
GE (1) GEP20135812B (xx)
IL (1) IL206523A (xx)
MA (1) MA31954B1 (xx)
MX (1) MX2010007039A (xx)
NI (1) NI201000113A (xx)
PL (1) PL2236699T3 (xx)
PT (1) PT2236699T (xx)
SI (1) SI2236699T1 (xx)
UA (1) UA99160C2 (xx)
WO (1) WO2009095508A1 (xx)
ZA (1) ZA201004435B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425111B (zh) * 2011-09-02 2013-08-07 中铁上海工程局有限公司 大截面异形墩帽模板
RU178518U1 (ru) * 2017-12-21 2018-04-06 Виктор Петрович Рощин Гибкая опалубка

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2108138U (zh) * 1991-12-19 1992-06-24 河北省交通科学研究所 柔性卷绕模板
CA2101594A1 (en) * 1992-09-18 1994-03-19 Mark W. West Method of forming a concrete deck by the use of a flexible formwork
SE503830C2 (sv) * 1995-01-17 1996-09-16 Kroken I Mo Ab Form samt ämne
DE19950226A1 (de) * 1999-10-19 2001-04-26 Harald Hagedorn Schalung zur Errichtung einer Säule oder einer Stütze eines Bauwerks
CN2617860Y (zh) * 2003-04-21 2004-05-26 北京城建二建设工程有限公司 平板玻璃钢圆柱模板
EP1482106A1 (fr) * 2003-05-27 2004-12-01 Plakabeton Coffratec S.A. Dispositif pour la mise en place de coffrages de colonnes de section quelconque
US20050066592A1 (en) * 2003-09-26 2005-03-31 Huber Donald G. Forming apparatus and method for constructing concrete columns
WO2005083199A1 (es) * 2004-02-24 2005-09-09 Sanchez Renasco Jesus Encofrado para columnas prismáticas
KR100511398B1 (ko) 2004-08-30 2005-08-30 이익주 사각단면과 외면도금 구조를 가지는 광섬유
CN100529303C (zh) * 2004-11-22 2009-08-19 郭春江 建筑工程浇筑结构柱用塑料模板

Also Published As

Publication number Publication date
EP2236699A4 (en) 2013-02-13
EG25988A (en) 2012-11-21
CN101925711B (zh) 2012-01-11
EP2236699A1 (en) 2010-10-06
EA201000902A1 (ru) 2011-04-29
ES2324191A1 (es) 2009-07-31
DE08871625T1 (de) 2011-05-19
MA31954B1 (fr) 2010-12-01
WO2009095508A1 (es) 2009-08-06
SI2236699T1 (en) 2018-04-30
MX2010007039A (es) 2011-11-04
IL206523A (en) 2013-01-31
AU2008349602A1 (en) 2009-08-06
CY20222200001T2 (el) 2012-01-25
UA99160C2 (ru) 2012-07-25
IL206523A0 (en) 2010-12-30
CN101925711A (zh) 2010-12-22
CU20100142A7 (es) 2012-06-21
ES2324191B1 (es) 2010-06-01
JP2011511188A (ja) 2011-04-07
CO6300800A2 (es) 2011-07-21
NI201000113A (es) 2010-11-10
EA018103B1 (ru) 2013-05-30
KR20100118563A (ko) 2010-11-05
JP5202648B2 (ja) 2013-06-05
PL2236699T3 (pl) 2018-06-29
CA2710533A1 (en) 2009-08-06
PT2236699T (pt) 2018-03-08
ZA201004435B (en) 2011-09-28
DK2236699T3 (en) 2018-04-23
GEP20135812B (en) 2013-04-25

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