WO2007093158A1 - Verfahren zur reparatur der oberfläche einer schalplatte - Google Patents
Verfahren zur reparatur der oberfläche einer schalplatte Download PDFInfo
- Publication number
- WO2007093158A1 WO2007093158A1 PCT/DE2007/000262 DE2007000262W WO2007093158A1 WO 2007093158 A1 WO2007093158 A1 WO 2007093158A1 DE 2007000262 W DE2007000262 W DE 2007000262W WO 2007093158 A1 WO2007093158 A1 WO 2007093158A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- formwork panel
- coating
- frame
- formwork
- panel
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/02—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using liquid or paste-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
-
- 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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
- B29C2073/262—Apparatus or accessories not otherwise provided for for mechanical pretreatment for polishing, roughening, buffing or sanding the area to be repaired
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49746—Repairing by applying fluent material, e.g., coating, casting
Definitions
- the invention relates to a method for repairing the surface of a formwork panel having the features of the preamble of claim 1.
- the invention is particularly intended for repair of plastic formwork panels or of formwork panels with a plastic surface on the formwork side.
- a plate-shaped component which can be used as a formwork panel.
- the well-known component is a laminated composite panel with a plate-shaped core made of a foamed plastic, on both sides of which a reinforcing layer, for example made of a metal foil, is applied, which is covered with a covering layer of plastic.
- the invention is therefore based on the object to propose a method for repairing the surface of a formwork panel of the type described above.
- This object is achieved by the features of claim 1.
- the surface layer of the formwork panel according to the invention is not deducted in the manner of a film from the formwork panel, but it is destructively removed. Scratches and the like depressions in the surface of the formwork panel are removed when the thickness of the removed surface layer is at least as large as the scratches or the like. If the recesses are deeper, either a thicker surface layer must be removed from the formwork panel, or the recesses must be filled to the right material, for example by application or filling welding with plastic. The filling of the depressions can take place before the surface layer is removed from the formwork panel.
- the filled areas are then automatically flush with the rest of the surface. However, it must be determined before filling which depressions in the surface are so deep that they must be filled.
- the depressions in the surface can also be filled after removal of the surface layer, they must then be made smooth and flush with the surface of the formwork panel, for example, by peeling, milling or grinding. In the case of a laminated plate, it is not necessary to completely remove the outer layer, and removal of a part of the outer layer may suffice.
- a surface quality of the formwork panel is improved. With surface quality in particular smoothness and / or flatness of the surface of the formwork panel are meant. Recesses in the surface disappear or at least their depth decreases.
- Another advantage of removing the surface layer is an adhesion promotion for the subsequent coating of the formwork panel.
- a release agent applied for concreting, for example formwork oil, is removed.
- An adhesion-promoting surface treatment for the subsequent coating, such as a primer, corona or plasma treatment may u. U. omitted.
- the formwork panel is coated again and can be used again.
- the coating achieves a further improvement in the surface quality of the formwork panel, provided that not all are removed by removing the surface layer
- Method is a repair of a formwork panel possible, which improves their surface.
- the surface gets the same quality as a new formwork panel.
- the process can be performed several times on a formwork panel.
- the usability of the formwork panel, in particular for concreting exposed concrete, can thereby be extended by a multiple.
- An embodiment of the invention provides for a cutting removal of the surface layer.
- the cutting can be done with geometrically defined cutting edge, for example by milling, or with a geometrically indefinite cutting edge, for example by grinding.
- Another possibility for destroying and thus improving the surface quality of removing the surface layer is, for example, the laser.
- Ablation, for example thermal, chemical or electrochemical removal, is also considered for removing the surface layer.
- the destructive, in particular chip removal of a surface layer with a certain layer thickness has the advantage of improving the surface quality, since depressions disappear in the surface or at least their depth is reduced.
- the subsequent coating of the surface is preferably carried out so that it compensates for remaining surface defects.
- the application of the coating is preferably carried out so that depressions are filled in and the new surface is free from depressions.
- a coating with a surface structure instead of a smooth surface is possible and conceivable, which forms an image in the concrete during concreting.
- an embodiment of the invention provides that the formwork panel or at least its surface has a plastic, in particular a thermoplastic.
- a plastic in particular a thermoplastic.
- surface is meant the concrete surface coming into contact with the repairing surface to be repaired.
- an embodiment of the invention provides a thermoplastic.
- a surface layer is removed, whose thickness is equal to the thickness of the recoating.
- the surface of the formwork panel has the same position after repair, for example, with respect to a frame of the formwork panel as before the repair.
- the coating can be liquid, for example as a lacquer, by spraying, for example in the manner of a powder coating or spray coating, or by casting.
- the coating can be heated, which is also referred to as "burn-in” or “thermally forced drying.”
- the coating has a lower melting temperature than the formwork panel or at least its near-surface region . the temperature difference must be sufficient to cause a thermal damage to the formwork panel to avoid during the melting of the coating.
- the melting temperature of the coating is, for example, 130 0 C and the formwork panel comprising a thermoplast, has a melting temperature of about 220 0 C and a softening temperature of about 160 ° C.
- activation by softening the formwork panel at least on the surface is considered to be favorable
- the formwork panel has a frame in which the formwork panel remains for repair.
- Such frames are common for formwork panels for concrete formwork, they stiffen the form panel and allow the assembly and installation of formwork panels to a formwork.
- the formwork panel with the frame is referred to as a formwork panel. Leaving the formwork panel in the frame during repair significantly reduces the repair effort.
- the frame facilitates automated handling of the formwork panel during repair because it has attachment means that are suitable for connection to frames. terer formwork panels or for attaching supports are provided on which the formwork panel can be machined and hold.
- An embodiment of the invention provides that the coating of the formwork panel is flush with the frame. Furthermore, it is advantageous if any gap existing between the formwork panel and the frame is closed by the coating, so that a seamless transition takes place from the frame to the formwork panel flush with it on the formwork side. Relative movements between the frame and the formwork panel, for example, as a result of thermal expansion or by mechanical stress, the coating compensates by their elasticity.
- FIG. 1 shows a formwork panel 1 which is fastened in a frame 6.
- the form panel 1 is a composite panel with a core 2, which consists of a foamed polypropylene, on both sides of which aluminum foils 3 are applied as reinforcing layers, on which outer layers 4 of non-foamed polypropylene are applied.
- the drawing is not to scale.
- the frame 6 is a metal frame, for example made of steel or an aluminum alloy.
- a scarf surface 5 of the formwork panel 1 is flush with the frame. 2
- the formwork panel 1 has a flat, for example, milled or ground surface which is even deeper than the frame 2 by the thickness of the removed surface layer. Deeper damage must be repaired, ie material-appropriate, for example by plastic welding just filled with the milled or ground surface, unless they are compensated by the following coating to be described later.
- the milling or grinding depth is exaggeratedly shown in FIGS. 1 and 2; it may be sufficient to remove less than ⁇ A of the thickness of the outer layer 4.
- the shell surface 5 is pretreated or prepared for subsequent coating.
- the mechanical processing improves the adhesion of the subsequent coating by roughening the shell surface 5.
- the adhesion can also be achieved by removal processes, possibly by a heat treatment, a laser processing of the surface after removal of the surface layer or a removal of the surface layer by means of laser.
- An otherwise required pretreatment for adhesion promotion for the subsequent coating such as a primer, corona or piasm coating. Pre-treatment can be omitted in embodiments of the invention.
- the shell surface 5 of the formwork panel 1 is recoated.
- a powder coating Figure 3
- a liquid coating 10 Figure 4
- the coating is made with a polypropylene.
- the coating 10 has a lower melting temperature than the formwork panel 1.
- the polypropylene of the core 2 and the outer layers 4 of the formwork panel 1 have a softening temperature of about 160 0 C.
- the coating 10, however, has a melting temperature of about 130 0 C. By heating to the melting temperature of the coating 10, the coating 10 is melted and bonded during curing cohesively with the outer layer 4 of the formwork panel 1.
- the formwork panel 1 receives a flat shell surface 5. It can be up to about the softening temperature of the outer layers 4 of Molded panel 1 are heated to activate their surfaces and to improve the adhesion of the coating 10.
- the coating 10 is applied with a thickness such that it has the thickness of the removed surface layer after melting and cooling. After melting and cooling, the scarf surface 5 is again as originally flush with the frame 6 (FIG. 5). The coating 10 fills a gap 9 between the form panel 1 and the frame 6.
- a liquid 2-component paint is applied as a coating 10 on the horizontally oriented Schalpiatte 1 and cured at elevated temperature, which activates the surface of the outer layer 4 of the formwork panel.
- the liquid applied lacquer compensates for unevenness of the horizontal formwork panel 1.
- a gap 9 between the form panel 1 and the frame 6 allows a Ü supernatant of the milling cutter 7 and the grinding wheel 8 over the edge of the formwork panel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2007214837A AU2007214837B2 (en) | 2006-02-13 | 2007-02-09 | Method of repairing the surface of a formwork panel |
EP07711178.9A EP1984167B1 (de) | 2006-02-13 | 2007-02-09 | Verfahren zur reparatur der oberfläche einer schalplatte |
CA002640302A CA2640302A1 (en) | 2006-02-13 | 2007-02-09 | Method for repairing the surface of a formwork panel |
US12/278,413 US8234765B2 (en) | 2006-02-13 | 2007-02-09 | Method for repairing the surface of a formwork panel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006006408.9 | 2006-02-13 | ||
DE102006006408A DE102006006408A1 (de) | 2006-02-13 | 2006-02-13 | Verfahren zur Reparatur der Oberfläche einer Schalplatte |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007093158A1 true WO2007093158A1 (de) | 2007-08-23 |
Family
ID=38222226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2007/000262 WO2007093158A1 (de) | 2006-02-13 | 2007-02-09 | Verfahren zur reparatur der oberfläche einer schalplatte |
Country Status (6)
Country | Link |
---|---|
US (1) | US8234765B2 (de) |
EP (1) | EP1984167B1 (de) |
AU (1) | AU2007214837B2 (de) |
CA (1) | CA2640302A1 (de) |
DE (1) | DE102006006408A1 (de) |
WO (1) | WO2007093158A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1857611A3 (de) * | 2006-05-16 | 2008-06-04 | Hühnebeck Group Gmbh | Verfahren zum Reparieren der Oberfläche eines plattenförmigen Trägers |
EP2161128A2 (de) | 2008-09-08 | 2010-03-10 | Quadrant Plastic Composites AG | Verfahren zum Behandeln der Oberfläche von Faserverbundplatten |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2666618B1 (de) * | 2012-05-24 | 2016-01-13 | alkus GmbH & Co. KG | Reparaturverfahren für eine Betonschalplatte |
CN112482755A (zh) * | 2020-11-09 | 2021-03-12 | 广州毅昌牛模王科技有限公司 | 一种塑料模板修补工艺 |
FR3137698A1 (fr) | 2022-07-08 | 2024-01-12 | Roger de KALBERMATTEN | Elément de construction en structure sandwich |
EP4303379A1 (de) | 2022-07-08 | 2024-01-10 | Roger De Kalbermatten | Verbundschalungsplatte mit einem nichtmetallischen kern und einer magnetischen metallfolie |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2626034A1 (fr) * | 1988-01-20 | 1989-07-21 | Outinord St Amand | Coffrage comportant au moins une surface coffrante recouverte d'une couche d'elastomere |
DE19724361A1 (de) | 1996-06-22 | 1998-01-02 | Gerhard Dingler | Bauelement |
DE10114161A1 (de) | 2001-03-22 | 2002-09-26 | Thyssen Huennebeck Gmbh | Schalungselement und Verfahren zum Herstellen und Reparieren desselben |
DE10128549A1 (de) | 2001-06-13 | 2002-12-19 | Meinhard Meier | Als Platte, Strang oder Formkörper gestaltetes Bauteil aus bindemittelgebundenen Natur-Fasern oder -spänen als Halbzeug oder Fertigprodukt sowie Verfahren zum Herstellen und Verfahren zum Oberflächenvergüten oder Oberflächenreparieren solcher Formkörper |
WO2005042251A1 (es) | 2003-10-30 | 2005-05-12 | Ulma C Y E, S. Coop. | Máquina para reparar tableros de encofrado y procedimiento de reparación |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5271754A (en) * | 1988-03-24 | 1993-12-21 | Sigurd Bauerecker | Process for producing fluorescent or phosphorescent pigments coated with glass |
US20060248846A1 (en) * | 2005-04-07 | 2006-11-09 | Alto U.S. Inc. | Process and apparatus for restoring the luster to the surface of factory finished wooden floors |
-
2006
- 2006-02-13 DE DE102006006408A patent/DE102006006408A1/de not_active Ceased
-
2007
- 2007-02-09 AU AU2007214837A patent/AU2007214837B2/en not_active Ceased
- 2007-02-09 US US12/278,413 patent/US8234765B2/en not_active Expired - Fee Related
- 2007-02-09 EP EP07711178.9A patent/EP1984167B1/de not_active Not-in-force
- 2007-02-09 CA CA002640302A patent/CA2640302A1/en not_active Abandoned
- 2007-02-09 WO PCT/DE2007/000262 patent/WO2007093158A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2626034A1 (fr) * | 1988-01-20 | 1989-07-21 | Outinord St Amand | Coffrage comportant au moins une surface coffrante recouverte d'une couche d'elastomere |
DE19724361A1 (de) | 1996-06-22 | 1998-01-02 | Gerhard Dingler | Bauelement |
DE10114161A1 (de) | 2001-03-22 | 2002-09-26 | Thyssen Huennebeck Gmbh | Schalungselement und Verfahren zum Herstellen und Reparieren desselben |
DE10128549A1 (de) | 2001-06-13 | 2002-12-19 | Meinhard Meier | Als Platte, Strang oder Formkörper gestaltetes Bauteil aus bindemittelgebundenen Natur-Fasern oder -spänen als Halbzeug oder Fertigprodukt sowie Verfahren zum Herstellen und Verfahren zum Oberflächenvergüten oder Oberflächenreparieren solcher Formkörper |
WO2005042251A1 (es) | 2003-10-30 | 2005-05-12 | Ulma C Y E, S. Coop. | Máquina para reparar tableros de encofrado y procedimiento de reparación |
EP1714782A1 (de) * | 2003-10-30 | 2006-10-25 | ULMA C y E, S. COOP. | Maschine zur reparatur von verschalungstafeln und reparaturverfahren |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1857611A3 (de) * | 2006-05-16 | 2008-06-04 | Hühnebeck Group Gmbh | Verfahren zum Reparieren der Oberfläche eines plattenförmigen Trägers |
EP2161128A2 (de) | 2008-09-08 | 2010-03-10 | Quadrant Plastic Composites AG | Verfahren zum Behandeln der Oberfläche von Faserverbundplatten |
CH699457A1 (de) * | 2008-09-08 | 2010-03-15 | Quadrant Plastic Composites Ag | Verfahren zum Behandeln der Oberfläche von Faserverbundplatten. |
Also Published As
Publication number | Publication date |
---|---|
AU2007214837A1 (en) | 2007-08-23 |
US20090019681A1 (en) | 2009-01-22 |
US8234765B2 (en) | 2012-08-07 |
EP1984167B1 (de) | 2015-03-11 |
AU2007214837B2 (en) | 2011-06-09 |
DE102006006408A1 (de) | 2007-08-16 |
CA2640302A1 (en) | 2007-08-23 |
EP1984167A1 (de) | 2008-10-29 |
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