EP0092536A2 - Method to increase the adherence between two surfaces - Google Patents

Method to increase the adherence between two surfaces Download PDF

Info

Publication number
EP0092536A2
EP0092536A2 EP83850097A EP83850097A EP0092536A2 EP 0092536 A2 EP0092536 A2 EP 0092536A2 EP 83850097 A EP83850097 A EP 83850097A EP 83850097 A EP83850097 A EP 83850097A EP 0092536 A2 EP0092536 A2 EP 0092536A2
Authority
EP
European Patent Office
Prior art keywords
adherence
coated
increase
concrete
fibre
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.)
Pending
Application number
EP83850097A
Other languages
German (de)
French (fr)
Other versions
EP0092536A3 (en
Inventor
Göran Bergman
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.)
Grabo Bygg AB
Original Assignee
Grabo Bygg AB
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 Grabo Bygg AB filed Critical Grabo Bygg AB
Publication of EP0092536A2 publication Critical patent/EP0092536A2/en
Publication of EP0092536A3 publication Critical patent/EP0092536A3/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/12—Applying particulate materials
    • B05D1/14—Flocking
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster

Definitions

  • the present invention refers to a method to increase the adherence between a relatively glassy surface, e.g. a steel surface and a substance, e.g. mortar, concrete, grout, plastic or the like, which can be applied on or around said surface and which pourable and which solidifies to a rigid form.
  • a relatively glassy surface e.g. a steel surface
  • a substance e.g. mortar, concrete, grout, plastic or the like
  • a form face is coated by a plastic material, for example a gelcoat, whereby short fibres or flocks are sprayed on to the plastic material, whereby the fibres are raised by electrostatic charging.
  • a plastic material for example a gelcoat
  • short fibres or flocks are sprayed on to the plastic material, whereby the fibres are raised by electrostatic charging.
  • a form part or a form face as a reinforcement inside a construction which has a thin wall (DE-875.403), and to which form face anchor elements are connected, which are cast into the construction part.
  • the anchor elements In case the form face consists of a sheet of steel, the anchor elements must be welded, which at large surfaces, such as e.g. floor slabs is a very extensive and expensive work.
  • a method is also known at which the reinforcement consists of a sheet, which at one side and the end sides is intended to encompass a concrete slab.
  • the sheet may e.g. be formed as a box or consists of a pan of galvanized sheet of steel, in which the concrete mass is cast. The pan thereby constitutes the tensile reinforcement of the concrete slab.
  • the object with the present invention is to provide a method to increase said adherence in a simple and a relatively cheap way without that the glossy surface being exposed to deformations or weakenings, and which adherence should be accomplished on even surfaces as well as on single or double curved surfaces and also in recesses which are difficult to access.
  • the green concrete mass is sucked into the fibre flock layer and into every single fibre by means of the capillarity and a very unexpected strong adherence is thereby obtained, which results in that it has been possible to produce very thin concrete beams, with a thickness of only about 25 mm, and these beams are handled during the manufacturing, the transportation and the mounting without that the slab show any tendency to crack.
  • a further object, where the increased adherence will be useful, is as an underlayer at grouting of e.g. steel constructions and to increase its fire resistance, whereby the grout or mortar mass may be applied by spraying (e.g. guniting).
  • the method according to the invention may also be used at manufacturing of phasade or mounting base elements, at manufacturing of floor structures and so on.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Building Environments (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Paints Or Removers (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

The present invention refers to a method to increase the adherence between a relatively glossy surface, e.g. a steel surface and a substance which can be applied on or around said surface which is pourable and solidifies to a rigid form. The object of the invention is to provide a simple and a relatively cheap method to increase the adherence without that the glossy surface being exposed to deformations or weakenings, and which adherence should be accomplished on even surfaces as well as on single or double curved surfaces and also in recesses which are difficult to access. These objects have been solved by that a glossy surface which is provided with a glue layer or the like is coated in an electrostatic way, alternatively is coated with artificial fibres so-called fibre flocks, which are raised from the surface, covering an essential part of its surface, whereby the green concrete is applied against the fibre flock.

Description

  • The present invention refers to a method to increase the adherence between a relatively glassy surface, e.g. a steel surface and a substance, e.g. mortar, concrete, grout, plastic or the like, which can be applied on or around said surface and which pourable and which solidifies to a rigid form.
    • Background of the invention
  • At many applications it is desired to increase the adherence between e.g. a steel surface and one against this appliable concrete or grout substance for example by means of a spray or a cast procedure. It may e.g. concern a thin concrete construction which is too thin to be reinforced in an ordinary way by means of rounds for reinforced concrete or welded mesh reinforcements.
  • According to a known method (Swedish patent application No. 7908919-5) a form face is coated by a plastic material, for example a gelcoat, whereby short fibres or flocks are sprayed on to the plastic material, whereby the fibres are raised by electrostatic charging. When the gelcoat has cured concrete is cast against it. The gelcoat forms an integrated layer with the concrete and when this has cured the form face will be removed. In this method the form face do not constitute any part of the completed product.
  • It is also known to use a form part or a form face as a reinforcement inside a construction which has a thin wall (DE-875.403), and to which form face anchor elements are connected, which are cast into the construction part. In case the form face consists of a sheet of steel, the anchor elements must be welded, which at large surfaces, such as e.g. floor slabs is a very extensive and expensive work. A method is also known at which the reinforcement consists of a sheet, which at one side and the end sides is intended to encompass a concrete slab. The sheet may e.g. be formed as a box or consists of a pan of galvanized sheet of steel, in which the concrete mass is cast. The pan thereby constitutes the tensile reinforcement of the concrete slab. Until now it has not been possible to join the sheet and the concrete mass, in such a way that the sheet of steel can act as a reinforcement, in spite that one has tried to give the sheet such a rough surface as possible, or has provided it with corrugations, disintegrations or elevations of other kinds. Also different tongues of hobbings and punching of tongues, which are folded against the concrete mass, has not been enough to give the necessary adherence to make it possible to contemplate the sheet as an integrated unit together with the concrete slab and which is able to carry occuring extension strains.
  • The obiect of the invention and its most important characteristics
  • The object with the present invention is to provide a method to increase said adherence in a simple and a relatively cheap way without that the glossy surface being exposed to deformations or weakenings, and which adherence should be accomplished on even surfaces as well as on single or double curved surfaces and also in recesses which are difficult to access. These objects have been solved by that the glossy surface which has been provided with a glue coat or the like is coated in an electrostatic way, alternatively is coated with artificial fibres, so-called fibre flocks, which are raised from the surface, covering an essential part of its surface, whereby the wet mass is applied to the fibre flock.
    • Description of embodiments
  • Practical tests have shown, that an excellent adherence between a relative glossy surface such as a galvanized sheet of steel or a smooth plastic surface and e.g. a green concrete mass may be obtained if the glossy surface is coated with so-called fibre flock, i.e. with raised artificial fibres, which are brought to the glossy surface in an eclectrostatic way, by that the surface has been coated with a glue layer at first, whereby the fibres are located closely to each other raised in the glue layer. The green concrete mass is sucked into the fibre flock layer and into every single fibre by means of the capillarity and a very unexpected strong adherence is thereby obtained, which results in that it has been possible to produce very thin concrete beams, with a thickness of only about 25 mm, and these beams are handled during the manufacturing, the transportation and the mounting without that the slab show any tendency to crack.
  • A further object, where the increased adherence will be useful, is as an underlayer at grouting of e.g. steel constructions and to increase its fire resistance, whereby the grout or mortar mass may be applied by spraying (e.g. guniting). The method according to the invention may also be used at manufacturing of phasade or mounting base elements, at manufacturing of floor structures and so on.
  • In cases where the mass used includes limestone or cement it is recommended to use alkali resistant fibres.

Claims (2)

1. Method to increase the adherence between a relatively glossy surface, e.g. a steel surface and a substance, e.g. mortar, concrete, grout, plastics and the like, which can be applied on or around said surface and which is pourable and which solidifies to a rigid form,
characterized thereby,
that a glossy surface which is provided with a glue layer or the like is coated in an electrostatic way, alternatively is coated with artificial fibres, so-called fibre flocks, which are raised from the surface, covering an essential part of its surface, whereby the green concrete is applied against the fibre flock.
2. Method according to claims 1,
charachterized thereby,
that alkali resistant fibres are used as fibre material.
EP83850097A 1982-04-15 1983-04-14 Method to increase the adherence between two surfaces Pending EP0092536A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8202356 1982-04-15
SE8202356A SE8202356L (en) 1982-04-15 1982-04-15 MAKE SURE TO OKE THE ADMINISTRATION BETWEEN TWO SURFACES

Publications (2)

Publication Number Publication Date
EP0092536A2 true EP0092536A2 (en) 1983-10-26
EP0092536A3 EP0092536A3 (en) 1984-08-15

Family

ID=20346532

Family Applications (2)

Application Number Title Priority Date Filing Date
EP83850097A Pending EP0092536A3 (en) 1982-04-15 1983-04-14 Method to increase the adherence between two surfaces
EP83901257A Ceased EP0128144A1 (en) 1982-04-15 1983-04-14 Method to increase the adherence between two surfaces

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP83901257A Ceased EP0128144A1 (en) 1982-04-15 1983-04-14 Method to increase the adherence between two surfaces

Country Status (6)

Country Link
EP (2) EP0092536A3 (en)
JP (1) JPS59500624A (en)
FI (1) FI841941A0 (en)
NO (1) NO834597L (en)
SE (1) SE8202356L (en)
WO (1) WO1983003631A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8913201D0 (en) * 1989-06-08 1989-07-26 Coyle John Plaster keys on metal surfaces

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451884A (en) * 1964-08-05 1969-06-24 Mitsubishi Petrochemical Co Waterproof pile coated sheet for laminating
DE2405155A1 (en) * 1974-02-04 1975-08-07 Hoesch Werke Ag Compound concrete and sheet-steel ceiling - with adhesive layer and superimposed granular material layer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE875403C (en) * 1950-06-01 1953-05-04 Siporex Int Ab Component and process for its manufacture
SE321067B (en) * 1966-11-07 1970-02-23 Universal Oil Prod Co
DE1759785A1 (en) * 1968-06-07 1972-01-05 Vaw Ver Aluminium Werke Ag Wall element
SE381452B (en) * 1974-04-29 1975-12-08 Innovationsteknik Inst Ab WAY TO REINFORM MATERIAL WITH STEEL FIBERS OR OTHER FERROMAGNETIC FIBERS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451884A (en) * 1964-08-05 1969-06-24 Mitsubishi Petrochemical Co Waterproof pile coated sheet for laminating
DE2405155A1 (en) * 1974-02-04 1975-08-07 Hoesch Werke Ag Compound concrete and sheet-steel ceiling - with adhesive layer and superimposed granular material layer

Also Published As

Publication number Publication date
FI841941A (en) 1984-05-15
JPS59500624A (en) 1984-04-12
EP0092536A3 (en) 1984-08-15
EP0128144A1 (en) 1984-12-19
NO834597L (en) 1983-12-14
FI841941A0 (en) 1984-05-15
SE8202356L (en) 1983-10-16
WO1983003631A1 (en) 1983-10-27

Similar Documents

Publication Publication Date Title
US4578915A (en) Exterior wall
EP1106731A1 (en) Flexible composite sheating material
EP0092536A2 (en) Method to increase the adherence between two surfaces
IT9083624A1 (en) MODULAR ELEMENT OF EXPANDED SYNTHETIC MATERIAL PRE-COATED WITH A LAYER OF MIXABLE COAT AFTER LAYING WITH THE COATING LAYER OF THE ADJACENT ELEMENTS, PROCEDURE TO FORM THIS COATING AND METHOD OF ERECTION
JPS62156457A (en) Microwave absorbing wall body
ITVI960128A1 (en) CEILING AND PROCEDURE FOR ITS CONSTRUCTION
JP3009544U (en) Surface finishing structure of ALC outer wall surface and covering sheet material used for this
JP3076885B2 (en) Discarded formwork for fireproof coating of steel beams
KR200281439Y1 (en) Gusset plate for architecture
JPH0359265A (en) Heat insulating board concurrently serving as formwork
KR200197232Y1 (en) Material of keeping uniform thickness in the process of fire protection using inorganic blocks
JPH0211534Y2 (en)
GB1596780A (en) Insulating elements and walls
JPS6215368Y2 (en)
JPH0422660Y2 (en)
JP2524403B2 (en) Concrete panel and manufacturing method thereof
JPS63223246A (en) Composite refractory coating construction method of reinforcement structure
JPS5814749Y2 (en) Decorative cladding columns for buildings
JPS63304856A (en) Interior and exterior concrete material
AU622135B2 (en) Mould for manufacturing plate-like floor elements for false floors and corresponding plate-like floor elements
EP0055202A1 (en) Composite elements for heat or sound insulation of constructions
WO2022243532A1 (en) A building element comprising a foam glass kernel coated with fiber cement and a method thereof
JPH08258028A (en) Synthetic segment and manufacture thereof
JPH0158290B2 (en)
JPH0430497B2 (en)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

17P Request for examination filed

Effective date: 19840514

AK Designated contracting states

Designated state(s): IT

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

D17P Request for examination filed (deleted)
R17P Request for examination filed (corrected)

Effective date: 19850412

XX Miscellaneous (additional remarks)

Free format text: VERFAHREN ABGESCHLOSSEN INFOLGE VERBINDUNG MIT 83901257.2/0128144 (EUROPAEISCHE ANMELDEMUNNER/VEROEFFENTLICHUNGSNUMMER) VOM 19.11.85.

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BERGMAN, GOERAN