IE37567B1 - Method of making protected galvanised steel sheeting - Google Patents

Method of making protected galvanised steel sheeting

Info

Publication number
IE37567B1
IE37567B1 IE656/73A IE65673A IE37567B1 IE 37567 B1 IE37567 B1 IE 37567B1 IE 656/73 A IE656/73 A IE 656/73A IE 65673 A IE65673 A IE 65673A IE 37567 B1 IE37567 B1 IE 37567B1
Authority
IE
Ireland
Prior art keywords
primer
sheets
hot
galvanised
coated
Prior art date
Application number
IE656/73A
Other versions
IE37567L (en
Original Assignee
Robertson Bauelemente Gmbh
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 Robertson Bauelemente Gmbh filed Critical Robertson Bauelemente Gmbh
Publication of IE37567L publication Critical patent/IE37567L/en
Publication of IE37567B1 publication Critical patent/IE37567B1/en

Links

Classifications

    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/546—No clear coat specified each layer being cured, at least partially, separately
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
    • E04B1/642—Protecting metallic construction elements against corrosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating With Molten Metal (AREA)

Abstract

1402941 Coated galvanised sheet steel: coat ing apparatus ROBERTSON BAUELEMENTE GmbH 25 April 1973 [1 May 1972] 19533/73 Headings B2E and B2L [Also in Division C3] A post-formable protected galvanised steel sheet comprises a galvanised steel core having a wash primer coat applied to at least one surface of the galvanised core and a weather resistant hot-melt alkyd resin coat applied to the wash primer. Preferably a roll 10 of galvanised steel sheet is unwound and cut by a guillotine 11 into sheets 12a which are heated to 60-100‹C, supported and impelled by an uprush of hot gases from burners 20 in a chamber 13. The sheets are coated on both sides with a wash primer in a volatile solvent by rollers 14, the thickness of the coating being governed by doctor rolls 22, 25, Fig 5, Flashing off of solvent is aided by passing the coated sheets through a first drier 15 wherein the sheets are supported, heated to above the solvent flash temperature and impelled by an uprush of warm recycled air which passes through a perforated plate 32 from plenum chamber 31. The primer is reheated to 60- 105‹C in a chamber 16 wherein heat is supplied by combustion gases passing through a perforated base then through a flue 34 to a pump 29 then a pipe 30 to be recycled through chamber 15. The heated sheet is hot-melt coated with the alkyd resin by rollers 17 before being quenched in a water tank at a temperature at least 50‹C below the softening point of the hot-melt coating. The hot melt alkyd may cross-link in air so that after a period of exposure, it becomes non-softenable, and the sheets non-postformable. The primer system preferably, includes polyvinyl butyral, zinc tetroxy chromate, solvents and aqueous phosphoric acid (see Division C3). The primer may include modifying resins such as melamine, phenolic resins, vinyl ethers, phenoxy resin, epoxy resin or alkyd resins. The primer is applied as a dispersion in an organic solvent. The alkyd resin is preferably formed from the esterification of unsaturated aliphatic acids (e.g. tall oil fatty acids, oleic acids, dehydrated castor oil, tung oil, linseed oil), alkyl (meth)- acrylates, dicarboxylic acids such as phthalic aci dor triols such as trimethylol ethane. The resin may also contain waxes, wetting agents, driers (e.g. cobalt naph'thenate), pigments, or inert fillers (e.g. crushed limestone, talc or short asbestos fibres). [GB1402941A]
IE656/73A 1972-05-01 1973-04-26 Method of making protected galvanised steel sheeting IE37567B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24941472A 1972-05-01 1972-05-01

Publications (2)

Publication Number Publication Date
IE37567L IE37567L (en) 1973-11-01
IE37567B1 true IE37567B1 (en) 1977-08-17

Family

ID=22943384

Family Applications (1)

Application Number Title Priority Date Filing Date
IE656/73A IE37567B1 (en) 1972-05-01 1973-04-26 Method of making protected galvanised steel sheeting

Country Status (14)

Country Link
JP (1) JPS4941236A (en)
AU (1) AU476311B2 (en)
BE (1) BE798840A (en)
BR (1) BR7303106D0 (en)
CA (1) CA994617A (en)
DE (1) DE2321779A1 (en)
ES (1) ES414124A1 (en)
FR (1) FR2182987B1 (en)
GB (1) GB1402941A (en)
IE (1) IE37567B1 (en)
IT (1) IT989627B (en)
NL (1) NL7305965A (en)
SE (1) SE398052B (en)
ZA (1) ZA732898B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE134723T1 (en) * 1989-11-04 1996-03-15 Monika Sawatzki METHOD FOR ANTI-CORROSION COATING OF DOWELS
IT1239859B (en) * 1990-01-24 1993-11-15 Fiat Auto Spa PROCEDURE FOR THE MANUFACTURE OF A PAINTED BODY OF A VEHICLE.
FR2696371B1 (en) * 1992-10-07 1994-10-28 Caddie Atel Reunis Process for coating metal parts or structures using a thermosetting powder, based on polyester or epoxy resin or a mixture of the two and metal product thus coated.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380876A (en) * 1967-06-20 1968-04-30 Du Pont Bonding thermoplastic materials to substrates with colloidal silica
FR1543042A (en) * 1967-10-25 1968-10-18 Ver Ne Metall Halbzeugwerke He Process for the production of heat-sealable foils and foils, suitable for use in particular for packaging in the food industry

Also Published As

Publication number Publication date
BR7303106D0 (en) 1974-08-15
JPS4941236A (en) 1974-04-18
FR2182987A1 (en) 1973-12-14
AU476311B2 (en) 1976-09-16
NL7305965A (en) 1973-11-05
ZA732898B (en) 1974-04-24
CA994617A (en) 1976-08-10
DE2321779A1 (en) 1973-11-15
BE798840A (en) 1973-08-16
SE398052B (en) 1977-12-05
IT989627B (en) 1975-06-10
FR2182987B1 (en) 1976-05-07
GB1402941A (en) 1975-08-13
AU5417773A (en) 1974-10-10
IE37567L (en) 1973-11-01
ES414124A1 (en) 1976-07-01

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