US3360157A - Method of forming a coated metal container and article produced thereby - Google Patents

Method of forming a coated metal container and article produced thereby Download PDF

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Publication number
US3360157A
US3360157A US453017A US45301765A US3360157A US 3360157 A US3360157 A US 3360157A US 453017 A US453017 A US 453017A US 45301765 A US45301765 A US 45301765A US 3360157 A US3360157 A US 3360157A
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United States
Prior art keywords
ironing
blank
die
tin
coating
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Expired - Lifetime
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US453017A
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English (en)
Inventor
Bolt Richard Robert
Wobbe Delbert Edmund
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Primerica Inc
Original Assignee
American Can Co
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23798895&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US3360157(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by American Can Co filed Critical American Can Co
Priority to US453017A priority Critical patent/US3360157A/en
Priority to DE1527908A priority patent/DE1527908B2/de
Priority to GB19297/66A priority patent/GB1140258A/en
Priority to SE06056/66A priority patent/SE326935B/xx
Priority to NL6605958A priority patent/NL6605958A/xx
Priority to CH646366A priority patent/CH445421A/fr
Application granted granted Critical
Publication of US3360157A publication Critical patent/US3360157A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/22—Deep-drawing with devices for holding the edge of the blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/28—Deep-drawing of cylindrical articles using consecutive dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/06—Stripping-off devices
    • B21D45/065—Stripping-off devices for deep-drawn cans, e.g. using stripping fingers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/001—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by extrusion or drawing

Definitions

  • ABSTRACT OF THE DISCLOSURE A low carbon steel blank which has been electro-plated with tin having a matte finish is then coated with a suitable oil type lubricant and drawn and ironed into a seamless article, such as a container, the tin coating preventing fracture of the steel by flowing at the ironing die and retaining lubricant through the die, the ironing operation increasing the specularity of the tin to result in an article having a specular side wall.
  • This invention relates to the manufacture of coated seamless containers and in particular to metal coated steel containers produced by drawing and ironing a precoated blank, without excessive friction.
  • the cup As drawn, the cup usually has bottom and side wall thicknesses substantially equal to the thickness of the blank.
  • the ironing die thins the side Wall of the drawn cup and forces the metal back, thereby also increasing 'theheight of the container. Additional ironing steps may be added to achieve a desired body Wall thickness and container height.
  • drawing may be defined as the forming of recessed parts by forcing the plastic flow of metal in dies, and refers to the operation wherein a peripheral margin of a flat blank is turned inwardly and simultaneously smoothed by means of a drawing punch and die to form a cup having a wrinkle free side wall, whose thickness is substantially equal to the thickness of the original blank. Subsequent redrawing of the cup merely turns up more of the end material in the side wall,
  • Ironing may be defined as thinning the walls of a deep-drawn article by reducing the clearance between punch and die.
  • the side wall of the cup is elongated by reducing its thickness with no reduction in the inside diameter of the cup. It is generally accomplished by placing the cup on a closely fitting punch or mandrel and forcing the cup and mandrel through an ironing or reducing die, whose diameter is slightly less than the outer diameter of the cup, thereby forcing the excess metal back and producing a longer but thinner side wall.
  • Ironing sometimes has been compared to extrusion of metals, since there is an actual squeezing out of the metal. However, the punch pushes the part downwardly resulting in a pulling? of the material in the ironing process. In extrusion, the metal is pushed through a die in the same direction'with the punch. Both processes, however, squeeze the metal.
  • an object of the present invention is to provide a method of forming a thin-walled cup-shaped steel container having a thinner side Wall than the end thereof.
  • Another object is to provide a method of forming a coated, thin-walled, cup-shaped steel container directly from sheet stock.
  • An additional object is to provide a method for forming a coated steel cup-shaped container having an end thickness equal to and a side wall thickness substantially less than the thickness of the original blank.
  • a further object is to provide a method of drawing and ironing a steel cup-shaped container without fracture of the metal during drawing and ironing.
  • a still further object is to provide a method of forming a steel cup-shaped container wherein lubrication during forming may be readily and easily accomplished.
  • the above and other object are accomplished by depositing a metal coating which is softer than the basis metal sheet upon which the coating is applied. Thereafter, a blank is provided, by cutting or other-suitable means, from coated basis sheet. The blank is then coated with a suitable oil type lubricant and is placed in a drawing and ironing press. A mandrel then draws the blank into a shallow seamless cup without substantially thinning the end and side wall of the cup. Thereafter, the side wall of the drawn cup is ironed, thus elongating and thinning the side wall while also increasing the specularity of the metal coating on the side Wall as the coating flows and provides lubrication during the ironing.
  • the side wall of the drawn and ironed metal container has a specular coating thereon brighter than and of the same metal as the as-deposited coating on the end.
  • FIGURE 1 is a fragmentary, enlarged, cross-sectional view of the steel sheet having a softer metal coating thereon;
  • FIGURE 2 is a sectional view of the drawing and ironing die gang and the mandrel used to force the sheet blankthrough the gang;
  • FIGURES 3 through 5 are fragmentary views, similar to FIGURE 2 showing a blank being formed to a desired container configuration
  • FIGURE 6 is a perspective view of the container parts broken away and partly in section.
  • a sheet or strip of low carbon, cold-rolled steel is electrolytically coated with a thin layer of tin by means well known to those skilled in the art. This procedure is quite familiar to those knowledgeable in general tin plating for the can-making industry.
  • the thickness of the tin coating may vary considerably depending upon the length and thickness of the final sidewall and the desired thickness of the tin on the final side wall.
  • the final tin thickness must be sufficient to completely cover both surfaces of the final side wall. For example, a coating thickness of approximately 45 microinches be used in the instant process when the thickness of the material is reduced about 50%. Heavier coatings may be utilized but it is preferred that a minimum thickness of tin be used for economic purposes.
  • tin will be the metal coating utilized for the steel sheet.
  • other metals which are softer than the basis metal, may also be used for the coating.
  • some of these metals are copper, zinc, brass, nickel, silver, etc.
  • other basis metals may also be utilized, the principal criteria being that the metal coating be softer than the basis metal.
  • the tin coating is melted and flow-brightened subsequent to plating, it is preferred in the present invention that no flow brightening take place.
  • the tin plate is in what is commonly called the matte condition. The reason for this will be more fully explained hereinafter.
  • FIGURE 1 shows a cross-section of steel 6 with a matte tin deposit 7 covering its surface.
  • a circular blank 8 is cut therefrom by suitable means such as a punch press.
  • FIGURE 2 shows a gang of dies, generally designated 10, within a die carrier 12. Both the gang 10 and the carrier 12 are mounted in a suitable hydraulic press. An annular die 14 having a die aperture 16 is suitably mounted in the die carrier 12. The die aperture 16 has a rounded drawing face 18 adjacent the upper surface of the die 14.
  • a cylindrical forming punch 20 having a lower surface 22.
  • the shape of the end surface 22 determines the endshape of the article to be formed and may be fiat, conical, spheroidal or a combination of these shapes.
  • a flat end surface 22 is used for producing flat-ended containers.
  • the flat circular blank is coated with suitable oil type lubricant which impregnates the matte tin coating 7 and the blank 8 is inserted between the die 14 and an annular blank holder 24 disposed above the die.
  • the blank holder 24 has an inner diameter slightly greater than the diameter of the punch 20 and a spaced series of guide holes 26 extending through the blank holder adjacent the outer edge. Studs 28, having shanks 29 and heads 30, are threadably engaged to the die carrier 12 with the shank portions extending upwardly through the holes 26 in the blank holder 24 to prevent the blank holder from moving transversely relative to the die 14, while permitting it to move upwardly along the longitudinal axis of the die.
  • a circular recess 32 of substantially the same diameter as that of the blank 8 and having a depth which is slightly less than the thickness of the blank, the recess 32 serving to position the blank in axial alignment with the die aperture 16.
  • the marginal edge 34 of the blank 8 is gripped between the die 14 and the blank holder 24 with a substantial predetermined force due to the action of the compressed springs 36*, disposed about the stud shanks 29 between the blank holder 24 and the stud heads 30.
  • the upper end of the punch 20 is attached to a piston rod 38 which in turn is actuated by a suitable power source such as a hydraulic cylinder, which is not shown. Upon actuation, the punch 20 moves downwardly, bringing the lower surface 22 of the punch into contact with the blank 8.
  • the punch 20 progressively pulls the marginal edge 34 of the blank 8 from beneath the blank holder 24 and forces it into contact with the drawing face 18 of the die 14.
  • the edge 34 is thus drawn across the drawing face 13 and is stretched and shaped into a tubular configuration to form a side wall 40 of a cup-shaped article having an end 42 (FIGURE 3).
  • both the side wall 40 and the end 42 of the drawn article have thicknesses substantially equal to the thickness of the blank 8.
  • the force with which the marginal edge 34 of the blank 8 is gripped between the blank holder 24 and the die 14 is maintained at a level sufficient to insure that the blank 8 is plastically stretched rather than being wrinkled or folded, as the marginal edge is withdrawn from beneath the blank holder, but is not so great as to result in tearing or cracking of the metal.
  • the metal is simultaneously subjected to two types of loading in the drawing operation, i.e. a compressive loading on the marginal edge 34 of the blank 8 due to the holding force, and a tension or stretching load on the metal adjacent the drawing face 18 as the metal is drawn from the flat to the tubular form.
  • the holding force used will be determined by the particular forming operation. For example, in the drawing and ironing of a 6.125 inch diameter x 0.018 inch thick tin coated steel blank into a 3.285 inch diameter cup having a 0.0008 inch sidewall thickness, a holding force equivalent to approximately 10,000 pounds on the marginaledge of the blank is preferred.
  • the cup-shaped article While still being engaged by the drawing face 18, the cup-shaped article enters an annular ironing die 44 mounted in the die holder 12, below the die 14 (FIGURE 4).
  • the ironing die 44 has an ironing face 45 which is smaller than and axially aligned with the drawing face 18 of the die 14.
  • Aspacer plate 46 is disposed between the die 14 and the die 45 to produce a predetermined spacing between the respective dies. The downward movement of the punch 20 forces the tin coated sidewall of the cup shaped article past the ironing face 45, thereby reducing the thickness of and also elongating the sidewall 40.
  • the soft metal coating and the oily lubricant with which it has been impregnated both serve to lubricate the steel sidewall during its cold reduction.
  • the oil, absorbed on the matte finished plate is held more tenaciously than on conventional flow brightened tin plate, and lubricates better under the extreme ironing pressures encountered.
  • the oil within and upon the tin surface lubricates during the ironing process and the soft coating itself is also burnished and mechanically worked on the outside and stretched on the inside during ironing.
  • a second ironing die 48 having an ironing face 49 is similarly mounted in die holder 12 below the ironing die 44.
  • a spacer 50 disposed between the ironing dies 44 and 48 produces a predetermined spacing between the respective ironing faces 45 and 49 thereof.
  • the punch 20 continues downwardly it carries a cup-shaped article into the ironing face 49 while the side wall is still engaged in the ironing face 45 of the first ironing die 44.
  • the side wall may also still be engaged by the drawing face 18 of the drawing die 14 when it initially enters the ironing face 49 of the second ironing die 48.
  • the side is then disengaged from the drawing face 18 while still engaged by the ironing faces 45 and 49 of the ironing dies 46 and 48 respectively (FIG- URE 5).
  • the drawn and ironed container 52 finally formed, has the end 42 of substantially the same thickness as that of the blank 8 and a side wall 54 whose thickness is substantially less than that of the blank 8. It is to be understood that, While the drawings show only two ironing dies, additional ironing dies may be used to produce any desired side wall length and thickness.
  • the formation of the coated container from the fiat circular blank has been shown as a one-step operation, it is possible to first draw the blank into a shallow seamless cup, and then transfer the cup to another machine containing the ironing dies, where the cup is then forced through the ironing dies in order to thin and also elongate the side Wall.
  • the stripper 56 consists of a segmented fiat annular ring 58 having a series of segments 60 adapted to slide radially within a recess 62 in the lower surface of the die holder 12.
  • the segments 60 are urged radially inwardly by springs 64 and are retained within the recess 62 by an annular flat retaining ring 66, secured to the die holder 12 by screws 68.
  • the segmented ring 58 has a substantially cylindrical inner surface 70 whose diameter is slightly less than the diameter of the punch 20, With a smoothly rounded upper edge 72 and a sharp lower edge 74.
  • the formed container 52 As the formed container 52 (FIGURE 6) is conveyed toward the stripper 56 by the punch 20, it contacts the rounded upper edge 72 of the segmented ring 58 forcing the segments 60 outwardly to allow the punch and container to pass through the ring. After the container 52 has passed through the ring 58, the springs 64 move the segments 60 inwardly against the punch 20. By suitable means (not shown), the punch 20 is then moved upwardly. During the upward movement of the punch 20, the upper rim 76 of the formed container 52 engages the sharp lower edge 74 of the segmented ring 58. This prevents any further upward movement of the container, thereby stripping it from the punch 20.
  • the exterior coating 7a on the container 52 has undergone a deformation and change different from that of the interior metal coating 7b. With each ironing step, the coating 7a undergoes severe deformation as it is squeezed between the particular ironing face and the mandrel. During this squeezing, the oil that has been impregnated within the soft metal coating 7 on the exterior of the container provides some degree of lubrication for the ironing.
  • the soft metal coating on the exterior surface of the container flows and is thinned by each succeeding ironing die which reduces the thickness of the side wall 54 and increases its height.
  • the severe mechanical working and burnishing of the coating 7a not only thins the coating and provides lubrication for the ironing operation, but also increases the specularity of the coating until it is brighter than a conventional can made from conventional flow brightened tin plate.
  • this coating is different than conventional tin plate in that it has not been actually melted and thus-there is no layer of a tin-iron alloy between the tin coating and the steel basis metal as is found in conventional flow brightened or hot dipped tin plate.
  • the asdeposited tin coating provides greater lubrication during the ironing due to its softness and its ability to absorb lubricating oil applied to its surface.
  • the tin coating 7b on the interior side wall of the container has not been burnished, and therefore, does not exhibit the bright surface characteristics of the exterior coating 7a.
  • the interior side wall coating has only been forced to undergo a degree tensional bend in the drawing operation and then elongation or stretching during ironing period.
  • it since it has not been mechanically worked or burnished during the ironing operation, its appearance in generally of the same specularity as it was on the blank, although considerably thinner due to the stretching and the elongating of the side wall.
  • a method of drawing and ironingan article from a flat blank comprising the steps of:
  • a method of drawing and ironing an article from a flat bank comprising the steps of:
  • a drawn and ironed one-piece tin plated steel con- 2,801,604 8/1957 Russell et a1 113120 tainer comprising: 3,293,895 12/1966 Kohan et a1.
  • Assistant Examiner Disclaimer 3,360,157.Richa1-d Robert Bolt, Lake Villa and Delbert Ed'mlmd Wobbe,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
US453017A 1965-05-04 1965-05-04 Method of forming a coated metal container and article produced thereby Expired - Lifetime US3360157A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US453017A US3360157A (en) 1965-05-04 1965-05-04 Method of forming a coated metal container and article produced thereby
DE1527908A DE1527908B2 (de) 1965-05-04 1966-04-29 Verfahren zum Formen eines Blechbehälters
GB19297/66A GB1140258A (en) 1965-05-04 1966-05-02 Method of forming a cup-shaped container
SE06056/66A SE326935B (enrdf_load_stackoverflow) 1965-05-04 1966-05-03
NL6605958A NL6605958A (enrdf_load_stackoverflow) 1965-05-04 1966-05-03
CH646366A CH445421A (fr) 1965-05-04 1966-05-04 Procédé pour former un récipient cylindrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US453017A US3360157A (en) 1965-05-04 1965-05-04 Method of forming a coated metal container and article produced thereby

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US3360157A true US3360157A (en) 1967-12-26

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US453017A Expired - Lifetime US3360157A (en) 1965-05-04 1965-05-04 Method of forming a coated metal container and article produced thereby

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US (1) US3360157A (enrdf_load_stackoverflow)
CH (1) CH445421A (enrdf_load_stackoverflow)
DE (1) DE1527908B2 (enrdf_load_stackoverflow)
GB (1) GB1140258A (enrdf_load_stackoverflow)
NL (1) NL6605958A (enrdf_load_stackoverflow)
SE (1) SE326935B (enrdf_load_stackoverflow)

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US3655349A (en) * 1969-09-05 1972-04-11 Bethlehem Steel Corp Coated seamless containers and method of forming
US3670543A (en) * 1969-01-27 1972-06-20 American Can Co Drawing and ironing process
US3685337A (en) * 1969-12-30 1972-08-22 Betzalel Avitzur Shaping of hollow workpieces
US3738528A (en) * 1971-04-03 1973-06-12 Daiwa Can Co Ltd Container and a method for producing same
US3765206A (en) * 1969-09-05 1973-10-16 Bethlehem Steel Corp Method of forming coated seamless containers
US3774426A (en) * 1971-03-24 1973-11-27 Steel Corp Apparatus for and method of forming a workpiece
US3832962A (en) * 1971-08-23 1974-09-03 Aluminum Co Of America Precoating of aluminum can sheet
JPS49117189A (enrdf_load_stackoverflow) * 1973-03-12 1974-11-08
US3849868A (en) * 1969-08-01 1974-11-26 Texas Instruments Inc Method of making magnesium anode battery
USRE28511E (en) * 1969-12-30 1975-08-12 Shaping of hollow workpieces
US3904069A (en) * 1972-01-31 1975-09-09 American Can Co Container
US3934527A (en) * 1973-08-09 1976-01-27 National Steel Corporation Manufacturing methods for selective coating characteristic tinplated steel cans
US3978803A (en) * 1974-07-15 1976-09-07 Nippon Steel Corporation Container or can and a method for manufacturing the same
US3994252A (en) * 1975-12-22 1976-11-30 United States Steel Corporation Method for the production of black plate with improved surface lubricity
US4033274A (en) * 1975-12-31 1977-07-05 American Can Company Containers
US4054227A (en) * 1973-08-09 1977-10-18 National Steel Corporation Selective coating characteristic tinplated steel cans
US4055272A (en) * 1975-12-31 1977-10-25 American Can Company Containers
DE2725189A1 (de) * 1976-07-14 1978-01-26 American Can Co Matrize zur metallverformung
US4095544A (en) * 1976-10-26 1978-06-20 National Steel Corporation Production of corrosion resistant seam-free can bodies from tinplate
US4326896A (en) * 1980-09-15 1982-04-27 National Can Corporation Method of making tin-layered stock material and containers therefrom
WO1982002683A1 (en) * 1981-02-11 1982-08-19 Steel Corp Nat Improved steel container stock,methods of forming drawn and ironed containers therefrom,and containers formed thereby
FR2499882A1 (fr) * 1981-02-13 1982-08-20 American Can Co Outil pour la formation de recipients emboutis
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US5360649A (en) * 1991-11-12 1994-11-01 Toyo Seikan Kaisha, Ltd. Thickness-reduced draw-formed can
US5409130A (en) * 1985-03-15 1995-04-25 Weirton Steel Corporation One-piece draw-process can bodies
US5575400A (en) * 1990-12-22 1996-11-19 Carnaudmetalbox Plc Containers
US5803301A (en) * 1996-09-12 1998-09-08 Toyo Seikan Kaisha, Ltd. Seamless can and process for making the same
US5921126A (en) * 1996-05-31 1999-07-13 General Electric Company Metalworking dies with soft metal lubricant platings
US20040134912A1 (en) * 2000-07-18 2004-07-15 Tarulis George J Drawn wall ironed can for light colored fruits
US20060159989A1 (en) * 2005-01-19 2006-07-20 Truelove & Maclean, Inc. System and process for forming battery cans
US20080028817A1 (en) * 2006-08-07 2008-02-07 Advanced Engineered Systems, Inc. Servo-driven cupping press
US20090049880A1 (en) * 2006-02-16 2009-02-26 Mueller Weingarten Ag Rolling tool with integrated drawing stage
US8661686B2 (en) * 2003-09-16 2014-03-04 Ntn Corporation Method of manufacturing a shell type needle roller bearing including drawing and ironing operations
CN106794508A (zh) * 2015-07-01 2017-05-31 鲍尔公司 用在金属容器制造中的冲头表面纹理处理
CN110538923A (zh) * 2019-09-25 2019-12-06 中材科技(成都)有限公司 压力容器铝质内胆拉深方法
CN116351938A (zh) * 2023-03-16 2023-06-30 江阴市伦一金属制品有限公司 一种汽车驱动电机用高强度无取向硅钢片的生产工艺及设备

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US4485663A (en) * 1981-02-13 1984-12-04 American Can Company Tool for making container
US4412440A (en) * 1981-02-13 1983-11-01 American Can Company Process for making container
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US5329799A (en) * 1992-05-29 1994-07-19 Toyota Jidosha Kabushiki Kaisha Process and apparatus for press-forming tubular container-like article from strip, including forward and backward ironing steps

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US3670543A (en) * 1969-01-27 1972-06-20 American Can Co Drawing and ironing process
US3849868A (en) * 1969-08-01 1974-11-26 Texas Instruments Inc Method of making magnesium anode battery
US3765206A (en) * 1969-09-05 1973-10-16 Bethlehem Steel Corp Method of forming coated seamless containers
US3655349A (en) * 1969-09-05 1972-04-11 Bethlehem Steel Corp Coated seamless containers and method of forming
USRE28511E (en) * 1969-12-30 1975-08-12 Shaping of hollow workpieces
US3685337A (en) * 1969-12-30 1972-08-22 Betzalel Avitzur Shaping of hollow workpieces
US3774426A (en) * 1971-03-24 1973-11-27 Steel Corp Apparatus for and method of forming a workpiece
US3738528A (en) * 1971-04-03 1973-06-12 Daiwa Can Co Ltd Container and a method for producing same
US3832962A (en) * 1971-08-23 1974-09-03 Aluminum Co Of America Precoating of aluminum can sheet
US3904069A (en) * 1972-01-31 1975-09-09 American Can Co Container
JPS49117189A (enrdf_load_stackoverflow) * 1973-03-12 1974-11-08
US4054227A (en) * 1973-08-09 1977-10-18 National Steel Corporation Selective coating characteristic tinplated steel cans
US3934527A (en) * 1973-08-09 1976-01-27 National Steel Corporation Manufacturing methods for selective coating characteristic tinplated steel cans
US3978803A (en) * 1974-07-15 1976-09-07 Nippon Steel Corporation Container or can and a method for manufacturing the same
US3994252A (en) * 1975-12-22 1976-11-30 United States Steel Corporation Method for the production of black plate with improved surface lubricity
US4055272A (en) * 1975-12-31 1977-10-25 American Can Company Containers
US4033274A (en) * 1975-12-31 1977-07-05 American Can Company Containers
DE2725189A1 (de) * 1976-07-14 1978-01-26 American Can Co Matrize zur metallverformung
US4095544A (en) * 1976-10-26 1978-06-20 National Steel Corporation Production of corrosion resistant seam-free can bodies from tinplate
US4426013A (en) 1978-02-06 1984-01-17 Jos. Schlitz Brewing Company Can body
US4541265A (en) * 1979-06-07 1985-09-17 Purolator Products Inc. Process for forming a deep drawn and ironed pressure vessel having selectively controlled side-wall thicknesses
US4346580A (en) * 1980-08-26 1982-08-31 National Steel Corporation Manufacture of lightweight drawn and ironed can bodies
US4326896A (en) * 1980-09-15 1982-04-27 National Can Corporation Method of making tin-layered stock material and containers therefrom
US4407149A (en) * 1981-02-11 1983-10-04 National Steel Corporation Process for forming a drawn and ironed container
US4457450A (en) * 1981-02-11 1984-07-03 National Steel Corporation Nickel-zinc alloy coated drawn and ironed can
WO1982002683A1 (en) * 1981-02-11 1982-08-19 Steel Corp Nat Improved steel container stock,methods of forming drawn and ironed containers therefrom,and containers formed thereby
US4405058A (en) * 1981-02-13 1983-09-20 American Can Company Container
FR2499884A1 (fr) * 1981-02-13 1982-08-20 American Can Co Recipient fabrique par emboutissage
FR2499882A1 (fr) * 1981-02-13 1982-08-20 American Can Co Outil pour la formation de recipients emboutis
US4442692A (en) * 1981-11-23 1984-04-17 National Can Corporation Tandem ironing land assembly
US4507339A (en) * 1982-01-15 1985-03-26 American Can Company Coated metal container and method of making the same
US4457150A (en) * 1982-02-11 1984-07-03 National Steel Corporation Method of forming D&I cans from coated steel
US5409130A (en) * 1985-03-15 1995-04-25 Weirton Steel Corporation One-piece draw-process can bodies
US5199596A (en) * 1985-03-15 1993-04-06 Weirton Steel Corporation Drawn can body methods, apparatus and products
WO1986006705A1 (en) * 1985-05-17 1986-11-20 J.C. Schumacher Company Disposable chemical container
EP0251759A3 (en) * 1986-06-30 1989-07-26 Kawasaki Steel Corporation Steel sheets for use in forming cans by deep-drawing and ironing
US5139889A (en) * 1990-05-16 1992-08-18 Toyo Seikan Kaisha, Ltd. Thickness-reduced draw-formed can
AU638561B2 (en) * 1990-05-16 1993-07-01 Toyo Seikan Kaisha Ltd. Thickness-reduced draw-formed can
US5575400A (en) * 1990-12-22 1996-11-19 Carnaudmetalbox Plc Containers
US5360649A (en) * 1991-11-12 1994-11-01 Toyo Seikan Kaisha, Ltd. Thickness-reduced draw-formed can
US5921126A (en) * 1996-05-31 1999-07-13 General Electric Company Metalworking dies with soft metal lubricant platings
US5803301A (en) * 1996-09-12 1998-09-08 Toyo Seikan Kaisha, Ltd. Seamless can and process for making the same
US20040134912A1 (en) * 2000-07-18 2004-07-15 Tarulis George J Drawn wall ironed can for light colored fruits
US8661686B2 (en) * 2003-09-16 2014-03-04 Ntn Corporation Method of manufacturing a shell type needle roller bearing including drawing and ironing operations
US20060159989A1 (en) * 2005-01-19 2006-07-20 Truelove & Maclean, Inc. System and process for forming battery cans
US20090049880A1 (en) * 2006-02-16 2009-02-26 Mueller Weingarten Ag Rolling tool with integrated drawing stage
US7743637B2 (en) 2006-02-16 2010-06-29 Mueller Weingarten Ag Rolling tool with integrated drawing stage
US20080028817A1 (en) * 2006-08-07 2008-02-07 Advanced Engineered Systems, Inc. Servo-driven cupping press
CN106794508A (zh) * 2015-07-01 2017-05-31 鲍尔公司 用在金属容器制造中的冲头表面纹理处理
CN110538923A (zh) * 2019-09-25 2019-12-06 中材科技(成都)有限公司 压力容器铝质内胆拉深方法
CN116351938A (zh) * 2023-03-16 2023-06-30 江阴市伦一金属制品有限公司 一种汽车驱动电机用高强度无取向硅钢片的生产工艺及设备
CN116351938B (zh) * 2023-03-16 2024-03-19 江阴市伦一金属制品有限公司 一种汽车驱动电机用高强度无取向硅钢片的生产工艺及设备

Also Published As

Publication number Publication date
CH445421A (fr) 1967-10-31
DE1527908B2 (de) 1980-02-07
DE1527908A1 (de) 1970-01-22
GB1140258A (en) 1969-01-15
SE326935B (enrdf_load_stackoverflow) 1970-08-10
NL6605958A (enrdf_load_stackoverflow) 1966-11-07

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