EP0086626A2 - Couches superficielles antidérapantes - Google Patents

Couches superficielles antidérapantes Download PDF

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Publication number
EP0086626A2
EP0086626A2 EP83300658A EP83300658A EP0086626A2 EP 0086626 A2 EP0086626 A2 EP 0086626A2 EP 83300658 A EP83300658 A EP 83300658A EP 83300658 A EP83300658 A EP 83300658A EP 0086626 A2 EP0086626 A2 EP 0086626A2
Authority
EP
European Patent Office
Prior art keywords
particles
slip
base
skin
product
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.)
Withdrawn
Application number
EP83300658A
Other languages
German (de)
English (en)
Other versions
EP0086626A3 (fr
Inventor
Bryan Francis Shimmin
James Brian Pollard
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.)
Reed International Ltd
Original Assignee
Reed International Ltd
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 Reed International Ltd filed Critical Reed International Ltd
Publication of EP0086626A2 publication Critical patent/EP0086626A2/fr
Publication of EP0086626A3 publication Critical patent/EP0086626A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors

Definitions

  • This invention relate% to non-slip surface coatings.
  • the invention is primarily concerned with non-slip floor coatings for use in heavy industrial situations and was conceived in the context of off-shore oil platforms but it also has application inother situations and to decorative and prefabricated wall panels and to other decorative surface coatings.
  • GB 1,430,794 describes non-slip surfaces made by spreading a polymer-mineral mixture and providing roughness by mechanical means. This is suitable for roadways but is unlikely to provide the high non-slip standards required on oil platforms.
  • GB 1,413,507 describes particles of aggregate precoated with bitumen, heated, and compacted followed by covering with fine aggregate wear-coated or sealed in bitumen. The disadvantage of such coatings are referred to below with reference to Fig.lA.
  • GB 1,222,655 refers to a non-slip coating of epoxy resin having carborundum grit embedded therein. The disadvantages of this type of coating is referred to below with reference to Fig.IB.
  • GB 1,107,193 describes methods of producing surfaces having a distinctly rough feel involving spraying a liquid medium containing granular solid substances. The problem stated here is that the liquid medium sprays preferentially to the solid substances and blockages occur.
  • BP 886,375 mentions a floor covering having an upper layer comprising filler and binder. Whilst reference is made to non-slip properties it is unlikely that it would remain non-slip in the presence of oil as it has a nominally level trowelled surface.
  • a common process for generating heavy duty non-slip coatings involves blasting a base surface to clean and remove any loose material; treating with a primer to generate adhesion and set up corrosion protection; applying a binder by brush, spray, trowel or roller; and finally applying a non-slip aggregate or particulate material, generally by hand while the binder is tacky. Subsequent repair by over coating is not recommended.
  • the surface when inspected closely, shows particles of non-slip material held rather in the manner of acorns in cups, the particles being the acorns and the set or cured binder forming the cups. This is generally satisfactory.
  • the non-slip material with its irregular shape, is exposed and held to provide a non-slip surface.
  • the present invention aims to reduce the above stated disadvantages significantly and at the same time offer a process of applying a non-slip coating more conveniently and at a much accelerated rate.
  • a relatively high ratio of filler to binder can be used so that costs are kept low. For most applications a low level of manual skill is required.
  • the invention resides in a process of making a product having a non-slip surface comprising the steps of:
  • a base 10 which has been blasted to clean it and remove any loose areas, is given a primer coat 11, which may have a sealing and anticorrosive character relative to the base and provide a key for other materials to be applied to the base.
  • the primer coat when dry, is covered by brush, spray, trowel or roller with a varnish or other hardenable binder, layer 12.
  • Non-slip particles 13 to 17, such as crushed granite, are then applied to the.varnish whilst soft.
  • the varnish hardens and holds the particles in place to give a non-slip surface.
  • Particles 13, 15 and 17 are keyed securely but particles 14 and 16 have little more than face adhesion. With heavy use, particles 14 and 16 will become dislodged and the tips of the keyed particles 13, 15 and 17 will tend to fracture. This is illustrated in Fig.lB.
  • the particles 14 and 16 are missing and smaller particles 18 have become lodged in crevices and cavities. Thus a lot of the non-slip quality has been lost and the particles 18 tend to hold and bind with any substances dropped on the surface and provide a "dirty" surface.
  • a sealer coat 19 as shown in Fig.lA. This has the merit of covering all the non-slip particles so that particles 14 and 16 are retained and avoids the creation of a dirty surface. It has the demerit of destroying a significant part of non-slip quality inherent in the non-slip particles as it flows and fills cavities and crevices, particularly where too much is applied, and it is a further process step which delays completion of the product.
  • a base 20 and primer 21 is shown with non-slip particles 22.
  • These particles have a binder skin 23, which approximately follows (with only a slight degree of rounding or smoothing) the profile of the surface exposed particles.
  • the skin 23 binds particle to particle and binds some of the particles to base via the primer.
  • the particles 22 can stack one on the other (see, for example, particle 22a on particle 22b) and a further contour or emboss is added which aids the non-slip quality.
  • the apparatus of Fig.3 comprises a particulate material hopper 30 and a resin reservoir 31.
  • the hopper and reservoir feed to a mixing chamber 32 having a rotary blade mixer 32a.
  • the base of the chamber 32 has a slide gate 33 to allow the mixed contents of chamber 32 to fall into a feed chamber 34 which has, in its lower regions, a screw feeder 35.
  • the feeder 35 feeds mixed material to a progressive cavity pump 37 (sometimes referred to as a "MONO" pump) via a conduit 36.
  • the pump 37 discharges to a pressurised line 38.
  • the line 38 has an associated air line 39 and nozzle 40 so that non-slip product fed along line 38 can be sprayed on to a prepared surface, such as base 20 and primer 21 of Fig.2.
  • the product fed is representative of the mixed feed in chamber 34. There is no preferential separation of the constituents.
  • the pump 37 is driven by a motor 41 through a variable gear box 42.
  • the apparatus of Fig.3 is very similar to known apparatus for spraying plaster to general relief surfaces but is modified to have a stainless-steel rotor and solvent resistant synthetic rubber stator.
  • a typical process in accordance with the invention is as follows: coarse pigmented rounded quartz sand (of two differing pigmentations) is wetted with a liquid epoxy or urethane catalyst and supplied to the hopper 30. A urethane or epoxy binder is supplied to the reservoir 31. Measured amounts of wetted sand and binder are supplied to the mixing chamber 32 and the mixer 32a started to provide a flowable composition of sand and catalysed binder adhering to the sand. When mixing is complete the gate 33 is opened and the composition passes to the feeder 35, pump 37 and then to spray nozzle 40.
  • the complete process involving blasting, priming and spraying may typically take two days instead of the more customery three or four days in which time a very large area can be treated and low manual skill only is required.
  • the particles preferably lie predominantly in the range of 0.2 mm to 3.0 mm and especially in the range 0.3 mm to 2.0 mm.
  • the invention has application to providing non-slip surfaces on steel, concrete, wood, stone, etc. and on firm painted surfaces. It may also be used on wall areas, particularly for exteriors.
  • Thick coatings can be applied and repair over- coatings are practical.
  • Various grades, colours, sizes and types of aggregates can be applied separately or together to give decorative effects.
  • the invention relies on the unexpected discovery that the pump 37 can handle such abrasive material as rounded quartz sand in resin at high operating loading without excessive wear on the pump.
  • the invention exploits the known Sigma or wall effect.
  • This effect shows that, if a mixture of solids and liquids is compressed in a tube, then the solids tend to move away from the wall of the tube.
  • the moving cavity in the pump between stator and rotor can be considered as a highly distorted tube but nevertheless such that the mixture of sand and resin is subjected to the Sigma or wall effect and the resin goes to the surfaces of rotor and stator and there provides a protective lubricating surface.
  • This effect is aided by having rounded, nodular, spheroidal and/or ovoid particles present which are relatively large compared to clearances through which the composition is passing.
  • Products according to the invention typically have a filler (particle) to binder (resin) ratio by volume of better than 2:1 and preferably nearer 4:1.
  • a second formulation is given as follows (all parts given by weight).
  • the talc acts as a fine extender.
  • the EPIKOTE is dissolved in the three solvents and the talc and BENTONE are then dispersed in the solution.
  • the quartz is then stirred in.
  • the curing polyamide VERSAMID is added.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)
  • Floor Finish (AREA)
EP83300658A 1982-02-12 1983-02-10 Couches superficielles antidérapantes Withdrawn EP0086626A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8204168 1982-02-12
GB08204168A GB2115312B (en) 1982-02-12 1982-02-12 Non-slip surface coating

Publications (2)

Publication Number Publication Date
EP0086626A2 true EP0086626A2 (fr) 1983-08-24
EP0086626A3 EP0086626A3 (fr) 1983-11-30

Family

ID=10528298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83300658A Withdrawn EP0086626A3 (fr) 1982-02-12 1983-02-10 Couches superficielles antidérapantes

Country Status (3)

Country Link
EP (1) EP0086626A3 (fr)
GB (1) GB2115312B (fr)
NO (1) NO830471L (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929761A1 (de) * 1989-09-07 1991-03-14 Herbert Heinemann Verblendelement sowie verfahren und vorrichtung zu seiner herstellung
EP0723946A1 (fr) * 1995-01-18 1996-07-31 COELAN Chemie-Produktionsgesellschaft mbH Matériel de revêtement ayant des particules incorporées
FR2734009A1 (fr) * 1995-05-11 1996-11-15 Boulenger Ets Revetement de sol comportant des motifs disposes de facon predeterminee, inseres sans joint dans une resine souple
EP0743407A1 (fr) * 1995-05-18 1996-11-20 Etablissements Boulenger Revêtement de sol coulé comportant des éléments incrustés présentant une surface décorative prédéterminée
EP0743406A1 (fr) * 1995-05-18 1996-11-20 Etablissements Boulenger Revêtement de sol à base de pierres concassées incrustrées en surface dans une résine
NL1006982C2 (nl) * 1997-09-09 1999-03-10 Stertil Bv Bekleding vooor metalen ondergrond en werkwijze voor het aanbrengen hiervan.
DE19802982A1 (de) * 1998-01-27 1999-08-19 Zenger Antirutsch-Belag
WO2002066174A1 (fr) * 2001-02-15 2002-08-29 3M Innovative Properties Company Procede servant a fabriquer un revetement d'article sans joint et articles fabriques au moyen de ce procede
FR2827905A1 (fr) * 2001-07-27 2003-01-31 Henri Monte Echelles securisees

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442445B (en) * 2006-09-04 2010-05-19 Altro Ltd Improved floor covering

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1352975A (fr) * 1963-01-09 1964-02-21 Perfectionnements apportés aux moyens pour obtenir des surfaces rugueuses, notamment antidérapantes
GB1237252A (en) * 1967-03-03 1971-06-30 Minnesota Mining & Mfg Flooring comprising a polymeric resin containing coloured decorative inserts
FR2063461A5 (fr) * 1969-10-16 1971-07-09 Ripoll Francis
DE2344009A1 (de) * 1973-08-31 1975-03-13 Karlheinz Kemper Rutschfester belag fuer den boden von schwimmbecken
DE2653412A1 (de) * 1976-11-24 1978-06-01 Schering Ag Verfahren zum verlegen von kunstharzmoertel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1352975A (fr) * 1963-01-09 1964-02-21 Perfectionnements apportés aux moyens pour obtenir des surfaces rugueuses, notamment antidérapantes
GB1237252A (en) * 1967-03-03 1971-06-30 Minnesota Mining & Mfg Flooring comprising a polymeric resin containing coloured decorative inserts
FR2063461A5 (fr) * 1969-10-16 1971-07-09 Ripoll Francis
DE2344009A1 (de) * 1973-08-31 1975-03-13 Karlheinz Kemper Rutschfester belag fuer den boden von schwimmbecken
DE2653412A1 (de) * 1976-11-24 1978-06-01 Schering Ag Verfahren zum verlegen von kunstharzmoertel

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929761A1 (de) * 1989-09-07 1991-03-14 Herbert Heinemann Verblendelement sowie verfahren und vorrichtung zu seiner herstellung
EP0723946A1 (fr) * 1995-01-18 1996-07-31 COELAN Chemie-Produktionsgesellschaft mbH Matériel de revêtement ayant des particules incorporées
FR2734009A1 (fr) * 1995-05-11 1996-11-15 Boulenger Ets Revetement de sol comportant des motifs disposes de facon predeterminee, inseres sans joint dans une resine souple
EP0743405A1 (fr) * 1995-05-11 1996-11-20 Etablissements Boulenger Revêtement de sol comportant des motifs disposés de façon prédétérminée, insérés sans joint dans une résine souple
EP0743407A1 (fr) * 1995-05-18 1996-11-20 Etablissements Boulenger Revêtement de sol coulé comportant des éléments incrustés présentant une surface décorative prédéterminée
EP0743406A1 (fr) * 1995-05-18 1996-11-20 Etablissements Boulenger Revêtement de sol à base de pierres concassées incrustrées en surface dans une résine
FR2734299A1 (fr) * 1995-05-18 1996-11-22 Boulenger Ets Revetement de sol coule comportant des elements incrustes presentant une surface decorative predeterminee
FR2734300A1 (fr) * 1995-05-18 1996-11-22 Boulenger Ets Revetement de sol a base de pierres concassees incrustees en surface dans une resine
NL1006982C2 (nl) * 1997-09-09 1999-03-10 Stertil Bv Bekleding vooor metalen ondergrond en werkwijze voor het aanbrengen hiervan.
DE19802982A1 (de) * 1998-01-27 1999-08-19 Zenger Antirutsch-Belag
WO2002066174A1 (fr) * 2001-02-15 2002-08-29 3M Innovative Properties Company Procede servant a fabriquer un revetement d'article sans joint et articles fabriques au moyen de ce procede
FR2827905A1 (fr) * 2001-07-27 2003-01-31 Henri Monte Echelles securisees

Also Published As

Publication number Publication date
GB2115312B (en) 1985-04-17
GB2115312A (en) 1983-09-07
EP0086626A3 (fr) 1983-11-30
NO830471L (no) 1983-08-15

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Inventor name: SHIMMIN, BRYAN FRANCIS

Inventor name: POLLARD, JAMES BRIAN