EP0447416B1 - Verfahren und vorrichtung zur herstellung mehreckiger betonmasten o.dgl. - Google Patents

Verfahren und vorrichtung zur herstellung mehreckiger betonmasten o.dgl. Download PDF

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Publication number
EP0447416B1
EP0447416B1 EP89913061A EP89913061A EP0447416B1 EP 0447416 B1 EP0447416 B1 EP 0447416B1 EP 89913061 A EP89913061 A EP 89913061A EP 89913061 A EP89913061 A EP 89913061A EP 0447416 B1 EP0447416 B1 EP 0447416B1
Authority
EP
European Patent Office
Prior art keywords
sheath
faces
panels
cardboard
reinforcing panels
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.)
Expired - Lifetime
Application number
EP89913061A
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English (en)
French (fr)
Other versions
EP0447416A1 (de
Inventor
Rolland Le Gourrierec
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT89913061T priority Critical patent/ATE77066T1/de
Publication of EP0447416A1 publication Critical patent/EP0447416A1/de
Application granted granted Critical
Publication of EP0447416B1 publication Critical patent/EP0447416B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
    • B28B7/348—Moulds, cores, or mandrels of special material, e.g. destructible materials of plastic material or rubber
    • 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

  • the present invention relates to a method and a device for manufacturing concrete posts or the like with a polygonal cross section.
  • GB-A-648 809 has also proposed using for this purpose a polygonal section formwork consisting of a plaster panel pinched between two cardboard plates, this panel comprising parallel fold lines allowing it to be folded to form a sheath that is sheathed externally with a protective sheet of paper, fabric, leather, etc.
  • the present invention aims to remedy this drawback by proposing a method for producing concrete poles with polygonal cross section which is as simple to implement as the cardboard sheath method used for the manufacture of poles with circular section, which is not more expensive than this one and which uses for the pouring of the concrete and for its hardening not a formwork, but a simple sheath which does not deform.
  • the subject of the invention is a method of manufacturing concrete posts or the like with a polygonal cross section, of the type in which the concrete is poured and allowed to harden in a monobloc sheath in the form of a straight prism having an identical internal section.
  • all the faces of this sheath being doubled externally by a reinforcing panel made of cardboard, corrugated cardboard, plastic material or the like, this process being characterized in that the reinforcing panels entirely cover the associated faces of the sheath and in that these panels are distinct from the sheath but adhere to the external faces of the latter, the sheath and the associated reinforcement panels being kept assembled in mutual contact, in the position of use, by strapping means or the like.
  • the invention also relates to a device for the manufacture of concrete posts or the like with a polygonal cross section, comprising a monobloc sheath in the form of a straight prism, having an internal section identical to that of the post, and cardboard reinforcement panels.
  • a device for the manufacture of concrete posts or the like with a polygonal cross section comprising a monobloc sheath in the form of a straight prism, having an internal section identical to that of the post, and cardboard reinforcement panels.
  • corrugated cardboard, plastic or similar suitable for being applied against all the external faces of the sheath, this device being characterized in that the reinforcement panels entirely cover the associated faces of the sheath and in that these panels are distinct from the sheath but adhere to the external faces thereof, strapping means or similar being provided to maintain assembled in mutual contact, during use of the device, the sleeve and the associated reinforcement panels.
  • Another object of the invention is concrete posts or the like with a polygonal cross section manufactured by the method or using the device defined above.
  • the sheath used may be made of cardboard, simple or corrugated, optionally treated by any means known per se, of special cardboard comprising flat cardboard cover sheets between which is interposed at least one frame other than a corrugated sheet, or a plastic such as polyethylene, a high density expanded plastic, peeled wood or the like.
  • the sheath is in the form of an assembly which can be folded flat by folding around fold lines or upsets coinciding with the edges of this sheath.
  • This can come from a single blank of cardboard, cut out properly and pushed back, both of which free edges parallel to the fold lines will be brought into substantially edge-to-edge contact with their adjacent parts glued against the same reinforcing element.
  • These elements can be mutually adjoining two by two to form a planar structure in which zones of reduced thickness define fold lines separating the different elements, the sheath being glued by an external face to one of these elements.
  • the assembly thus formed may be delivered flat to the users after folding the sheath.
  • two reinforcement panels can adhere to two parallel external faces, in the position of use of the sheath, to form a foldable assembly flat, the other reinforcement elements being removable and applied against the corresponding faces of the sheath at the time of use.
  • the reinforcement panels glued against two parallel faces of this sheath can advantageously extend laterally with respect to these faces by a distance at least equal to the thickness of the panels, while the other elements will have a width exactly equal to that of the other faces of the sheath, so as to have their edges in contact with the projecting parts of the adjoining panels, in the position of use, and thus to be pinched between these parts.
  • the strapping means may be simple metal or plastic straps.
  • two of the reinforcement panels will adhere to two parallel external faces, in the position of use, of a first monobloc sheath in the form of a straight prism while the other reinforcement panels will adhere to internal faces of a second monobloc sheath, constituting the strapping means, the two sheaths equipped with their panels reinforcement cooperating by fitting the first sleeve into the second sleeve.
  • additional strapping means such as straps may also be provided.
  • folding flaps can naturally be provided at each end of the sheath to hide the internal structure.
  • This device differs from wooden or metal formwork of the prior art by its extreme simplicity, its lightness and its ease of use on construction sites, where it is put in position for use very simply, without resorting to special tools or requiring special handling equipment.
  • the sheath can be separated from it by tearing it apart, but that the plastic elements and the strapping means are not altered by the use of the process and can therefore be recovered for further use.
  • the Applicant has established that it is possible to produce concrete poles with polygonal section without fear of the slightest creep or the slightest deformation of the sheath, even made of cardboard, by obtaining finished products of a quality at least equal to that of the posts made with the formwork of the prior art.
  • the cardboard sheath 1 in which the concrete is poured has a square cross section and comes from a single blank of cardboard, suitably cut and pushed back, while the reinforcing panels 2 in plastic are also adjoining two by two and form a single plate 3 in which grooves 4 define fold lines.
  • the sleeve 1 is glued by one of its faces against an element 2 of the plate 3, the glued face having been produced, as seen in FIGS. 2 and 3, by bringing the parts edge to edge in the same plane. side of the cardboard blank.
  • the cardboard sheath 1 is set in volume, the corresponding reinforcement panels 2 are folded against its lateral faces to form a closed structure transversely and these elements are assembled in this position using strips 5, of metal or plastic.
  • the installation of the device on a site is therefore extremely simple and, as indicated above, after molding the concrete post, the structure 1 can be separated from it by tearing it apart, while the plate 3 reinforcing elements 2 and the strips 5 can be recovered and reused for a new cycle of operations.
  • the cardboard sheath 6 is similar to the structure 1 previously described.
  • strips 9 keep the various elements assembled in the position of use.
  • This second form of use is as simple as the previous one and as easy to use on construction sites.
  • the plastic panels 7 and 8 and the strips 9 can be recovered at the end of a manufacturing cycle to be reused.
  • two plastic reinforcement panels 10 are also bonded to two parallel external faces of a cardboard sleeve 11, of square cross section, in which the concrete is poured, but the reinforcement panels 12 coming to apply against the other external faces of the sheath 11 are bonded against the two corresponding internal faces of a second sheath 13, in which the sheath 11 and the panels 12 can be engaged by sliding.
  • the panels 10 have a width substantially equal to the corresponding internal dimension of the cross section of the sheath 13, while the panels 12 have a width substantially equal to the corresponding external dimension of the sheath 11.
  • the sleeves 11 and 13 respectively equipped with panels 10 and 12 can be folded flat and delivered to users or stored in this form. Their volume is carried out in a simple way on construction sites, without the need for special tools.
  • the strapping means is constituted by the sheath 13 itself, but it is of course possible to add metal or plastic strips to it, as in the other embodiments.
  • the invention therefore provides a simple and easy-to-implement means for making concrete posts with polygonal cross section on construction sites.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (9)

1. Verfahren zur Herstellung von Betonmasten od.dgl. mit mehreckigem Querschnitt, wobei Beton in eine Monoblock-Verschalung in Form eines geraden Prismas mit zum Querschnitt des Mastes identischem Innenquerschnitt gegossen und in dieser ausgehärtet wird, wobei sämtliche Flächen der Verschalung außen durch eine Verstärkungsplatte aus Karton, Wellpappe, Kunststoff od.dgl. verdoppelt sind, dadurch gekennzeichnet, daß die Verstärkungsplatten (2,8) vollkommen die zugehörigen Flächen der Verschalung (1,6) bedecken und daß die Platten von der Verschalung getrennt ausgebildet werden und an den Außenflächen derselben anhaften, wobei die Verschalung und die zugehörigen Verstärkungsplatten in der Gebrauchsstellung miteinander in gegenseitigem Kontakt durch umschlingende Spannmittel (5,9) od.dgl. gehalten werden.
2. Vorrichtung zur Herstellung von Betonmasten od.dgl. mit mehreckigem Querschnitt, mit einer Monoblock-Verschalung in Form eines geraden Prismas mit zum Querschnitt des Mastes identischem Innenquerschnitt und mit Verstärkungsplatten aus Karton, Wellpappe, Kunststoff od.dgl. zur Anbringung an allen Außenflächen der Verschalung, dadurch gekennzeichnet, daß die Verstärkungsplatten (2,8) vollkommen die zugehörigen Flächen der Verschalung (1,6) bedecken, daß die Platten von der Verschalung getrennt ausgebildet sind und an den Außenflächen derselben anhaften, und daß Spannmittel (5,9) od.dgl. vorgesehen sind, um während der Verwendung der Vorrichtung die Verschalung und die zugehörigen Verstärkungsplatten in zusammengebautem Zustand in gegenseitigem Kontakt zu halten.
3. Vorrichtung nach Anspruch 2, wobei die Verschalung durch Faltung um mit ihren Kanten zusammenfallende Faltlinien in flachem Zustand gefaltet ist und aus einem einzigen, entsprechend geschnittenen und vorbereiteten Kartonblatt hergestellst ist, dadurch gekennzeichnet, daß die zwei freien Kanten der Verschalung (1,6) im wesentlichen Kante an Kante in Kontakt stehen, wobei ihre anschließenden Außenflächen gegen dasselben Verstärkungselement (2,7) verklebt sind.
4. Vorrichtung nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß die Verstärkungsplatten (2) gegenseitig paarweise aneinander anschließen, um eine ebene Struktur (3) auszubilden, in welcher Bereiche mit geringerer Dicke (4) die unterschiedlichen Elemente (2) trennende Faltlinien definieren, und daß die Verschalung aus Karton (1) über eine Außenfläche mit einem der Elemente (2) verklebt ist.
5. Vorrichtung nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß zwei Verstärkungsplatten (7) an zwei in der Gebrauchsposition parallelen Außenflächen der Verschalung (6) anhaften und daß die anderen Verstärkungsplatten entfernbar und an die entsprechenden Flächen der Verschalung (6) im Zeitpunkt der Verwendung anbringbar sind.
6. Vorrichtung nach Anspruch 5, mit einer Verschalung (6) mit rechteckigem oder quadratischen Querschnitt, dadurch gekennzeichnet, daß die mit zwei parallelen Flächen der Verschalung (6) verklebten Verstärkungsplatten (7) seitlich relativ zu diesen Flächen, vorzugsweise um einen der Dicke der anderen Platten (8) im wesentlichen entsprechenden Abstand, vorragen, während die anderen Platten eine Breite aufweisen, welche im wesentlichen gleich der Breite der anderen Flächen der Verschalung (6) ist.
7. Vorrichtung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß die Spannmittel von Metall- oder Kunstoffbändern (5,9) gebildet sind.
8. Vorrichtung nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß zwei Verstärkungsplatten (10) an zwei in der Verwendungsposition der Verschalung (11) parallelen Außenflächen anhaften, während die anderen Verstärkungsplatten (12) an den Innenflächen einer zweiten Kartonverschalung (13) anhaften, welche das Spannmittel darstellen, und daß die zwei mit Verstärkungsplatten ausgebildeten Verschalungen (11 und 13) für ein Zusammenwirken durch ein Ineinanderfügen ausgebildet sind.
9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß sie zusätzliche von Metall- oder Kunststoffbändern gebildete Spannmittel umfassen.
EP89913061A 1988-11-15 1989-11-15 Verfahren und vorrichtung zur herstellung mehreckiger betonmasten o.dgl. Expired - Lifetime EP0447416B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89913061T ATE77066T1 (de) 1988-11-15 1989-11-15 Verfahren und vorrichtung zur herstellung mehreckiger betonmasten o.dgl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8814809A FR2639058B1 (fr) 1988-11-15 1988-11-15 Procede et dispositif pour la fabrication de poteaux en beton ou similaire a section transversale polygonale
FR8814809 1988-11-15

Publications (2)

Publication Number Publication Date
EP0447416A1 EP0447416A1 (de) 1991-09-25
EP0447416B1 true EP0447416B1 (de) 1992-06-10

Family

ID=9371851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89913061A Expired - Lifetime EP0447416B1 (de) 1988-11-15 1989-11-15 Verfahren und vorrichtung zur herstellung mehreckiger betonmasten o.dgl.

Country Status (8)

Country Link
US (1) US5169585A (de)
EP (1) EP0447416B1 (de)
JP (1) JP2838438B2 (de)
AU (1) AU638428B2 (de)
CA (1) CA2002930A1 (de)
ES (1) ES2017350A6 (de)
FR (1) FR2639058B1 (de)
WO (1) WO1990005622A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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FR2669668A1 (fr) * 1990-11-27 1992-05-29 Nordacq Christian Coffrage perdu pour element longiformes en beton coule.
US5328142A (en) * 1992-07-17 1994-07-12 Sonoco Products Company Concrete column forming tube
US5667744A (en) * 1992-12-22 1997-09-16 Focal Point Products, Inc. Method for fabricating columns
WO1998019839A1 (en) * 1996-11-01 1998-05-14 Bridging Technologies Holding Llc. Process for casting and shaping cement
FR2780743B1 (fr) * 1998-07-01 2003-08-08 Emmanuel Antoine Leonce Terron Coffrage pour realisation de piliers en beton arme
HK1044678A2 (en) 2001-08-31 2002-10-18 陈伟荣 Formwork
US8313080B2 (en) * 2007-02-15 2012-11-20 Abzac Canada Inc. Retaining device for assembling two panels, recyclable formwork for forming a concrete structure and packaging assembly using the same
ES2597457T3 (es) 2007-02-15 2017-01-18 D'anglade, Pierre-Michel Encofrado reciclable para formar una estructura de hormigón
CA2597832A1 (en) * 2007-08-28 2009-02-28 Green Built Manufacturing Inc. Building elements formed using straps
US11649649B2 (en) * 2019-01-11 2023-05-16 American Forming Products Llc Concrete form apparatus and method of using
US12017380B2 (en) 2019-01-18 2024-06-25 Benjamin Baader Adjustable apparatus, system and method for constructing insulated concrete forms

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GB648809A (en) * 1948-12-13 1951-01-10 Gottfried Schindler Method of producing shuttering for the concrete skeletons of buildings
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Also Published As

Publication number Publication date
AU4637489A (en) 1990-06-12
FR2639058A1 (fr) 1990-05-18
JP2838438B2 (ja) 1998-12-16
JPH04502890A (ja) 1992-05-28
WO1990005622A1 (fr) 1990-05-31
FR2639058B1 (fr) 1993-07-16
EP0447416A1 (de) 1991-09-25
ES2017350A6 (es) 1991-01-16
CA2002930A1 (fr) 1990-05-15
US5169585A (en) 1992-12-08
AU638428B2 (en) 1993-07-01

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