US3188734A - Method of making container stock - Google Patents

Method of making container stock Download PDF

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Publication number
US3188734A
US3188734A US148514A US14851461A US3188734A US 3188734 A US3188734 A US 3188734A US 148514 A US148514 A US 148514A US 14851461 A US14851461 A US 14851461A US 3188734 A US3188734 A US 3188734A
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United States
Prior art keywords
strip
lacquer
cold
coating
thickness
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Expired - Lifetime
Application number
US148514A
Inventor
Jr Raymond T Davis
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United States Steel Corp
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United States Steel Corp
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Filing date
Publication date
Priority to NL284726D priority Critical patent/NL284726A/xx
Priority to BE623966D priority patent/BE623966A/xx
Application filed by United States Steel Corp filed Critical United States Steel Corp
Priority to US148514A priority patent/US3188734A/en
Priority to GB39188/62A priority patent/GB1011951A/en
Priority to DEU9334A priority patent/DE1246649B/en
Priority to FR913616A priority patent/FR1338672A/en
Application granted granted Critical
Publication of US3188734A publication Critical patent/US3188734A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0268—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment between cold rolling steps
    • 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
    • B05D2252/00—Sheets
    • B05D2252/02—Sheets of indefinite length
    • 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
    • B05D2252/00—Sheets
    • B05D2252/10—Applying the material on both sides
    • 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
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/60—Adding a layer before coating
    • B05D2350/65—Adding a layer before coating metal layer
    • 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
    • B05D2701/00—Coatings being able to withstand changes in the shape of the substrate or to withstand welding
    • B05D2701/20—Coatings being able to withstand changes in the shape of the substrate or to withstand welding withstanding rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B21B2001/383—Cladded or coated products
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • C21D8/0284—Application of a separating or insulating coating
    • 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
    • Y10T29/30—Foil or other thin sheet-metal making or treating
    • Y10T29/301—Method
    • Y10T29/302—Clad or other composite foil or thin metal making
    • 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
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49986—Subsequent to metal working

Definitions

  • This invention relates to the manufacture of black plate or tin plate for use in the fabrication of containers and, in particular, to a method for making plate which is protected against corrosion and discoloration, and carries a primer or final organic coating.
  • Black plate and tin plate as now made are used extensively in the fabrication of containers. To permit their prolonged storage by the purchaser prior to use, both require .chemical treatment, black plate for corrosion resistance and tin plate for discoloration resistance. Prior to fabrication into cans, furthermore, they are both lfrequently laquered on at least one side.
  • low-carbon steel strip S is cold-rolled to a thickness of about 0.010 (corresponding to 90 pounds per base box) in a mill 10 of known type.
  • the strip is next passed through a conventional electrolytic alkaline cleaning tank 11 and thence through a continuous annealing furnace 12, also of known construction. After cleaning and annealing, the strip is temper-rolled in a mill 13 where it is subjected to a reduction of only from 1 to 6%.
  • the strip is next passed through a continuous electrolytic tinning line 14, of known type. Thereafter, the strip is passed through a lacquer-coating line l5. If black plate is to be the final product, the tinning line is by-passed and the strip is sent from mill 13 directly to the lacquer-coating line.
  • the strip S is uncoiled and passed through a conventional roller coater 16 which applies a film of lacquer over the entire surface of one or both sides of the strip.
  • the lacquer vapplied may be of any suitable type, vexamples of whichl are that made by Watson-Standard after curing but before further cold reduction,of from i 4 to 1l mg./sq.in., conveniently about 7 mg./sq.in.
  • the strip is passed through a heating chamber 17 where it is heated to a temperature from about 375 to i' It is then cooled by contact with the atmos- 420 F. phere on emerging from chamber 17 and recoiled.
  • the lacquer-coated strip is next cold-rolled to effect' about a 50% reduction in its thickness, i.e., from about A 0.010 to about 0.005 (corresponding to 45 pounds per 3,188,734 Patented June l5, 1965 i base box), by one or more passes through a reducing stand or stands 18, in accordance with usual coldrolling practice.
  • both the lacquer coatings and the base metal are reduced simultaneously in thickness ⁇ but the coatings are not damaged nor is their adherence impaired.
  • the finished product has a continuous uniform coating of lacquer strongly adherent thereto.
  • the coating weight is reduced in proportion to the reduction in metal thickness but the rolling of the lacquercoated strip presents no problem either of fragmentation of the coating or adherence thereof to the rolls.
  • the product is well suited as such for fabrication into containers immediately or after further lacquering and lithographing if desired.
  • lacquer The efiiciency of the use of lacquer is increased, since the amount of lacquer which has been used heretofore covers twice as great an area of product, either tin plate or black plate.
  • a method of making lacquered steel strip comprising cold-rolling strip to intermediate gage, lacquering the strip, then cold-rolling it to final gage and effecting a substantial reduction in the strip rolling.

Description

June 15, 1965 R. T. nAvls, .JR
METHOD OF MAKING CONTAINER STOCK Filed Oct. 30, 1961 n. n y mi; tu SESS m w M #Eva N V r I F. 0 m V D f N l f E l T. A f w NT m. W mbm N .mugu uw 39u R l mz3 2531i" 6 Ww nl.' Q Qk .Ibsaoklll m di ummm@ 33 3,188,734 METHOD OF MAKING CONTAINER STOCK Raymond T. Davis, Jr., Monroeville, Pa., assignor to United States Steel Corporation, a corporation of New Jersey Filed Oct. 30, 1961, Ser. No. 148,514 5 Claims. (Cl. 29-528) This invention relates to the manufacture of black plate or tin plate for use in the fabrication of containers and, in particular, to a method for making plate which is protected against corrosion and discoloration, and carries a primer or final organic coating.
Black plate and tin plate as now made are used extensively in the fabrication of containers. To permit their prolonged storage by the purchaser prior to use, both require .chemical treatment, black plate for corrosion resistance and tin plate for discoloration resistance. Prior to fabrication into cans, furthermore, they are both lfrequently laquered on at least one side.
l have invented a novel method of making black plate and tin plate whereby the sheet-steel base, in the form of strip, is continuously coated with lacquer after initial cold-rolling to an intermediate gage and is then coldrolled to final gage with the lacquer coating thereon. The result is a product protected against corrosion and discoloration'and ready for fabrication into containers after lithographing if desired, without the necessity for cleaning, chemical treatment or oiling after final cold-reduction.
In the present preferred practice of my method, I coldroll low-carbon steel strip to a thickness approximating that of conventional tin plate or black plate, about 0.010", and then, after electrolytically cleaning, annealing and temper-rolling it, I coat the strip electrolytically with tin if the product desired is tin plate. I then apply to the tin plate or to black plate without tinning, if that is the desired product, a coating of lacquer on one or both sides. The lacquer-coated strip is then passed through a lacquercuring chamber wherein it is suitably heated and then coiled after cooling. I then cold-roll the lacquer-coated strip to a final thickness of about one half that of the strip after coating.
A complete understanding of the invention may be obtained from the following detailed description and explanation which refer to the accompanying drawing the single figure of which is a diagram illustrating the present preferred practice.
Referring now in detail to the drawing, low-carbon steel strip S is cold-rolled to a thickness of about 0.010 (corresponding to 90 pounds per base box) in a mill 10 of known type. The strip is next passed through a conventional electrolytic alkaline cleaning tank 11 and thence through a continuous annealing furnace 12, also of known construction. After cleaning and annealing, the strip is temper-rolled in a mill 13 where it is subjected to a reduction of only from 1 to 6%.
If the final product desired is tin plate, the strip is next passed through a continuous electrolytic tinning line 14, of known type. Thereafter, the strip is passed through a lacquer-coating line l5. If black plate is to be the final product, the tinning line is by-passed and the strip is sent from mill 13 directly to the lacquer-coating line.
In the line 15, the strip S is uncoiled and passed through a conventional roller coater 16 which applies a film of lacquer over the entire surface of one or both sides of the strip. The lacquer vapplied may be of any suitable type, vexamples of whichl are that made by Watson-Standard after curing but before further cold reduction,of from i 4 to 1l mg./sq.in., conveniently about 7 mg./sq.in. After coating, the strip is passed through a heating chamber 17 where it is heated to a temperature from about 375 to i' It is then cooled by contact with the atmos- 420 F. phere on emerging from chamber 17 and recoiled.
The lacquer-coated strip is next cold-rolled to effect' about a 50% reduction in its thickness, i.e., from about A 0.010 to about 0.005 (corresponding to 45 pounds per 3,188,734 Patented June l5, 1965 i base box), by one or more passes through a reducing stand or stands 18, in accordance with usual coldrolling practice. In this rolling, both the lacquer coatings and the base metal are reduced simultaneously in thickness` but the coatings are not damaged nor is their adherence impaired. The finished product has a continuous uniform coating of lacquer strongly adherent thereto. The coating weight, of course, is reduced in proportion to the reduction in metal thickness but the rolling of the lacquercoated strip presents no problem either of fragmentation of the coating or adherence thereof to the rolls. The product is well suited as such for fabrication into containers immediately or after further lacquering and lithographing if desired.
The advantages of my method are the economies in manufacture resulting therefrom. As stated, the conventional cleaning subsequent to final cold-rolling is made unnecsary, and the chemical treatment and oiling may be avoided in the production of tin plate. The chemical treatment is also eliminated from the operations which have been required in the manufacture of black plate. The lacquer coating, of course, protects black plate from l' corrosion and tin plate from discoloration and abrasion.
The efiiciency of the use of lacquer is increased, since the amount of lacquer which has been used heretofore covers twice as great an area of product, either tin plate or black plate.
Although I have disclosed herein the preferred practice.
than that desired in the finished product, applying a lacquer coating to the strip, thermally curing the lacquer coating, and cold-rolling the lacquer-coated strip thereby reducing its thickness to final gage.
2. A method as defined in claim 1, characterized by applying said coating in a thickness such as to result in a I coating weight of from 4 to 10 mg. per square inch on one side only.
3. A method as defined in claim 1, characterized by applying said coating to both sides of said strip.
4. A method as defined in .claim 1, characterized by reducing said strip by said first cold-rolling to a thicknessA of about 0.010" and by said second cold-rolling to a.;
thickness of about.0.005".
5. A method of making lacquered steel strip comprising cold-rolling strip to intermediate gage, lacquering the strip, then cold-rolling it to final gage and effecting a substantial reduction in the strip rolling.
' References Cited by the Examiner UNITED STATES PATENTS 1 ,898,739
3,110,413 11/63 McKay et al. 29-528 X WHI'IMORE A. WILTZ, Primary Examiner. HYLAND Blzor, Examiner.
thickness by said final cold- 2/33 Meyer 29-521 XA f 2,850,999 9/58 Kaplan et al. 29-528 X

Claims (1)

1. A METHOD OF MAKING CONTAINER STOCK COMPRISING COLD-ROLLING LOW-CARBON STEEL STRIP TO A THICKNESS GREATER THAN THAT DESIRED IN THE FINISHED PRODUCT, APPLYING A LACQUER COATING TO THE STRIP, THERMALLY CURING THE LACQUER COATING, AND COLD-ROLLIONG THE LACQUER-COATED STRIP THEREBY REDUCING ITS THICKNESS TO FINAL GAGE.
US148514A 1961-10-30 1961-10-30 Method of making container stock Expired - Lifetime US3188734A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL284726D NL284726A (en) 1961-10-30
BE623966D BE623966A (en) 1961-10-30
US148514A US3188734A (en) 1961-10-30 1961-10-30 Method of making container stock
GB39188/62A GB1011951A (en) 1961-10-30 1962-10-16 Method of making container stock
DEU9334A DE1246649B (en) 1961-10-30 1962-10-19 Method for producing sheet metal for tin cans or the like.
FR913616A FR1338672A (en) 1961-10-30 1962-10-26 Manufacturing process of raw materials for containers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US148514A US3188734A (en) 1961-10-30 1961-10-30 Method of making container stock

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US3188734A true US3188734A (en) 1965-06-15

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US148514A Expired - Lifetime US3188734A (en) 1961-10-30 1961-10-30 Method of making container stock

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BE (1) BE623966A (en)
DE (1) DE1246649B (en)
GB (1) GB1011951A (en)
NL (1) NL284726A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309906A (en) * 1963-04-22 1967-03-21 Inland Steel Co Light gauge, hot dip metal coated steel products
US3331230A (en) * 1964-10-13 1967-07-18 Method for the manufacture of tin plate
US3696503A (en) * 1969-10-28 1972-10-10 Allied Tube & Conduit Corp Method for continuously galvanizing steel strip
US5471731A (en) * 1993-04-30 1995-12-05 Anchor Hocking Corporation Method of making low-fat non-stick frying device
US6344100B1 (en) * 1999-09-29 2002-02-05 Robert A. Hipskind Method of resurfacing a roll
ITMI20120065A1 (en) * 2012-01-23 2013-07-24 Arvedi Steel Engineering S P A PLANT AND PROCEDURE FOR THE PRODUCTION OF BANNED AND SIMILAR BANDS

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917627A1 (en) * 1979-05-02 1980-11-13 Aluminium Walzwerke Singen METHOD FOR PRODUCING ALUMINUM TAPES OR SHEETS, AND USE THEREOF
JPS6028887B2 (en) * 1980-04-11 1985-07-08 新日本製鐵株式会社 Continuous cold rolling annealing equipment
EP0072874B1 (en) * 1981-08-25 1985-05-29 Nippon Steel Corporation Dual-purpose plant for producing cold rolled steel sheet and hot-dip galvanized steel sheet

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898739A (en) * 1929-02-11 1933-02-21 George J Meyer Strip metal processing
US2850999A (en) * 1955-08-19 1958-09-09 Sun Steel Company Method of making a coated embossed steel sheet
US3110413A (en) * 1955-06-20 1963-11-12 Exxon Research Engineering Co Method of making oxidized polymer oil melamine resin coated containers and resultantarticle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797476A (en) * 1952-06-17 1957-07-02 Sendzimir Tadeusz Process and apparatus for treating metallic strips

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898739A (en) * 1929-02-11 1933-02-21 George J Meyer Strip metal processing
US3110413A (en) * 1955-06-20 1963-11-12 Exxon Research Engineering Co Method of making oxidized polymer oil melamine resin coated containers and resultantarticle
US2850999A (en) * 1955-08-19 1958-09-09 Sun Steel Company Method of making a coated embossed steel sheet

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309906A (en) * 1963-04-22 1967-03-21 Inland Steel Co Light gauge, hot dip metal coated steel products
US3331230A (en) * 1964-10-13 1967-07-18 Method for the manufacture of tin plate
US3696503A (en) * 1969-10-28 1972-10-10 Allied Tube & Conduit Corp Method for continuously galvanizing steel strip
US5471731A (en) * 1993-04-30 1995-12-05 Anchor Hocking Corporation Method of making low-fat non-stick frying device
US6344100B1 (en) * 1999-09-29 2002-02-05 Robert A. Hipskind Method of resurfacing a roll
ITMI20120065A1 (en) * 2012-01-23 2013-07-24 Arvedi Steel Engineering S P A PLANT AND PROCEDURE FOR THE PRODUCTION OF BANNED AND SIMILAR BANDS

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Publication number Publication date
BE623966A (en)
NL284726A (en)
GB1011951A (en) 1965-12-01
DE1246649B (en) 1967-08-10

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