US3533761A - Method for finishing metallic coatings on a strand and the article produced - Google Patents

Method for finishing metallic coatings on a strand and the article produced Download PDF

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Publication number
US3533761A
US3533761A US708598A US3533761DA US3533761A US 3533761 A US3533761 A US 3533761A US 708598 A US708598 A US 708598A US 3533761D A US3533761D A US 3533761DA US 3533761 A US3533761 A US 3533761A
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US
United States
Prior art keywords
coating
strand
oxide
molten
metal
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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.)
Expired - Lifetime
Application number
US708598A
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English (en)
Inventor
Marvin B Pierson
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Wire Rope Corp of America Inc
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Individual
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Filing date
Publication date
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Publication of US3533761A publication Critical patent/US3533761A/en
Anticipated expiration legal-status Critical
Assigned to WIRE ROPE CORPORATION OF AMERICA, INCORPORATED, A CT CORP. reassignment WIRE ROPE CORPORATION OF AMERICA, INCORPORATED, A CT CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ARMCO INC.
Assigned to WIRE ROPE CORPORATION OF AMERICA, INCORPORATED reassignment WIRE ROPE CORPORATION OF AMERICA, INCORPORATED SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WIRE ROPE CORPORATION OF AMERICA, INCORPORATED
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/939—Molten or fused 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12583—Component contains compound of adjacent metal
    • Y10T428/1259—Oxide
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611—Oxide-containing component
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/1266—O, S, or organic compound in metal component
    • Y10T428/12667—Oxide of transition metal or Al
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12993—Surface feature [e.g., rough, mirror]

Definitions

  • the apparatus used with this invention includes a nozzle having a plurality of slots equally spaced about the strand pass line and directed tangentially toward a strand passing therethrough.
  • the swirling gas jet also is utilized to create a dam or air knife effect to control the quantity of molten coating metal adhering to the strand, and hence controlling coating weight.
  • the hot dip coating of wire, tubing, and the like includes the steps of thoroughly cleaning or otherwise preparing the surface of the base metal for the reception of the molten coating. These preparatory steps do not per se form a part of this invention, and it is to be understood that this invention contemplates such a pretreatment prior'tothe time the wire arrives at the molten coating bath.
  • the strand being coated is indicated at 10. As previously indicated, it is to be assumed that the surface of the strand has been thoroughly cleaned by an appropriate pre-coating treatment.
  • the tube 12 extends between the reducing furnace and the coating bath, so as to provide a suitable protective atmosphere for the strand prior to immersion in the coating bath.
  • the coating bath is schematically indicated at 14. As is well known in the art, this coating bath will be pro vided with entrance and exit dies aligned so as to define a path of travel for the strand being coated. (although the illustrated examples show a horizontal path of travel, the invention is equally applicable to a vertical coating operation.) According to this invention, the entrance die should provide relatively close clearance for the strand being coated in order to prevent excessive leakage of the coating metal.
  • the excess of coating metal may be applied in various ways besides exiting from a loose tolerance die.
  • the molten coating metal may be poured onto the passing strand as taught in co-pending application 616,- 680 noted earlier, or it may be flooded onto the strand by passing the strand through a trough containing molten coating metal.
  • the apparatus used with this invention comprises a jet nozzle indicated generally at 20 located a substantial distance away from the exit die 16.
  • the male element of the jet nozzle is indicated generally at 30, and includes the threaded portion 32 which will mate with the threads 24a of the female element.
  • the element is also provided with a portion 34 of reduced diameter, which terminates in the conical surface 36.
  • the angle of the conical surface 36 on the end of the male element 30 is identical to the angle of the conical surface 26 at the end of the bore in the female element 20.
  • the male element is provided with a central aperture 38 of the same size as the aperture 28 in the female element, and through which the strand being coated passes.
  • the male element 30 is threadedly received into the female element 20.
  • This arrangement permits the provision of an adjustable annular slot opening 42.
  • the area between the bore 24 of the female element and the portion 34 of reduced diameter of the male element in effect provides a plenum chamber which will be supplied with a suitable wiping gas through the tube 44.
  • the nozzle of this invention provides a spiraling or twisting jet action upon the excess coating metal carried by the strand 10.
  • this twisting jet is believed to represent a substantial departure from the practice of the prior art. That is, as indicated at the outset of this specification, the excess molten metal on the strand rapidly develops an oxide skin, referred to in the art as an oxide sock.
  • oxide sock With a conventional concentric jet nozzle, using high enough pressures and placed close enough to the exit die of the coating bath, it is possible to restrain this oxide sock along with most of the excess molten coating metal applied to the strand, resulting in a relatively light, oxide free metallic coating.
  • the conventional jet permits an intermittent breaking of the oxide sock, causing an unsightly finish and non-uniform coating.
  • the coating thickness immediately following the ringlet is significantly less than normal.
  • the whole oxide sock between the coating bath and the nozzle is also a periodic tendency for the whole oxide sock between the coating bath and the nozzle to build up, break off, and pass totally through the nozzle on the tube.
  • the swirling gas jet of this invention eliminates these shortcomings by providing a turbulent twisting action which causes the oxide sock to break up continuously into very small segments or particles which remain on the coating.
  • the instant invention represents the first successful application of an oxide finish coating.
  • the oxide formed ahead of the finishing means is intentionally and continuously applied to the product in a controlled manner.
  • the threaded engagement between the female and male elements 20 and 30 respectively provides an adjustableannular slot opening 42. It has been found that this annular opening is useful to minimize splatter of the coating metal at low speeds. However, at speeds on the order of 50 feet per minute and faster, better operation is obtained when the annular opening is sealed off by threading the male element 30 into the female element until it is fully seated.
  • the plenum pressure can be varied between /2 and 3 p.s.i., and is the basic control for coating Weight on the unit. -It has been found that this method and apparatus, operating horizontally and using the pressure range set up above can successfully produce coating weights from about to about .60 ounce per square foot of strand surface without observable coating metal sa'g.
  • a method for producing heavy metallic coatings comprising the steps of (a) cleaning the surface of a strand to be coated;
  • a metallic coated object comprising:
  • step of finishing said coating includes the steps of directing a swirling gas jet at said oxide covered molten coating and thereafter solidifying said coating.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
US708598A 1968-02-27 1968-02-27 Method for finishing metallic coatings on a strand and the article produced Expired - Lifetime US3533761A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70859868A 1968-02-27 1968-02-27

Publications (1)

Publication Number Publication Date
US3533761A true US3533761A (en) 1970-10-13

Family

ID=24846444

Family Applications (1)

Application Number Title Priority Date Filing Date
US708598A Expired - Lifetime US3533761A (en) 1968-02-27 1968-02-27 Method for finishing metallic coatings on a strand and the article produced

Country Status (7)

Country Link
US (1) US3533761A (fr)
JP (2) JPS5112570B1 (fr)
BE (1) BE728449A (fr)
DE (1) DE1907687A1 (fr)
FR (1) FR2002700A1 (fr)
GB (1) GB1244933A (fr)
SE (1) SE350773B (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620805A (en) * 1969-03-17 1971-11-16 Carl Martin Method for the continuous hot galvanizing of continuously formed elements
US3811406A (en) * 1969-02-06 1974-05-21 Connollys Blackley Ltd Apparatus for impregnating and coating stranded bodies
US3832973A (en) * 1969-01-29 1974-09-03 Kalle Ag Apparatus for the production of a multi-layer sheet material of microporous structure
US3845540A (en) * 1972-04-28 1974-11-05 Maneely Illinois Hot galvanizing process and apparatus
US3877975A (en) * 1973-04-12 1975-04-15 Anthony John Raymond Metallic coating of metal tubes and similar work pieces
US3886894A (en) * 1972-12-14 1975-06-03 M & B Metal Products Company Apparatus for cleaning and coating wire
US3956537A (en) * 1973-04-12 1976-05-11 Anthony John Raymond Metallic coating of metal tubes and similar work pieces
US4281617A (en) * 1979-12-19 1981-08-04 Western Electric Company, Inc. Apparatus for coating conductors
US4339480A (en) * 1980-04-11 1982-07-13 Bethlehem Steel Corporation Gas wiping apparatus and method of using
US4414917A (en) * 1983-01-03 1983-11-15 Industrial Cleaning And Coating, Inc. System for selectively treating cables and the like
US5017407A (en) * 1988-08-24 1991-05-21 Australian Wire Industries Pty. .Limited Stabilisation of jet wiped wire
US5066519A (en) * 1988-08-24 1991-11-19 Australian Wire Industries Pty. Limited Jet wiping nozzle
US5164229A (en) * 1991-07-08 1992-11-17 The United States Of America As Represented By The Secretary Of The Air Force Method for coating continuous tow
US5217533A (en) * 1991-07-08 1993-06-08 The United States Of America As Represented By The Secretary Of The Air Force Coating apparatus for continuous fibers
US5492721A (en) * 1990-03-30 1996-02-20 Mag Maschinen Und Apparatebau Gesellschaft Mbh Method for producing enamelled wires using fusible resins
US5527563A (en) * 1991-06-25 1996-06-18 Allied Tube & Conduit Corporation Flow coat galvanizing
US20090215377A1 (en) * 2008-02-22 2009-08-27 Process Air Solutions, Llc Low Pressure Blow-Off Assemblies and Related Methods
CN106939398A (zh) * 2017-05-04 2017-07-11 西安泰力松新材料股份有限公司 一种金属丝镀锡工艺及其镀锡装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257972U (fr) * 1975-10-23 1977-04-26

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US811854A (en) * 1903-08-18 1906-02-06 John Lee Process of tinning or coating metal sheets with tin or other metallic coatings.
US1907034A (en) * 1929-02-15 1933-05-02 Ohio Brass Co Process and apparatus for treating coated articles
US2080518A (en) * 1933-06-01 1937-05-18 Western Electric Co Method of and apparatus for coating strands
US2084150A (en) * 1934-09-08 1937-06-15 Western Electric Co Apparatus for coating material
US2110893A (en) * 1935-07-16 1938-03-15 American Rolling Mill Co Process for coating metallic objects with layers of other metals
US2135652A (en) * 1937-05-26 1938-11-08 Reynolds Metals Co Process for metal coating
US2304069A (en) * 1938-12-14 1942-12-08 American Steel & Wire Co Metal coating process
US2526731A (en) * 1945-02-13 1950-10-24 Armco Steel Corp Method of and apparatus for coating metallic strands with a metal coating
US2914423A (en) * 1955-05-12 1959-11-24 Armco Steel Corp Method and apparatus for metallic coating of metallic strands
US3060889A (en) * 1960-09-26 1962-10-30 Armco Steel Corp Coating control device
US3226817A (en) * 1963-04-17 1966-01-04 Internat Nikoh Corp Continuous method for fabricating tubing

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US811854A (en) * 1903-08-18 1906-02-06 John Lee Process of tinning or coating metal sheets with tin or other metallic coatings.
US1907034A (en) * 1929-02-15 1933-05-02 Ohio Brass Co Process and apparatus for treating coated articles
US2080518A (en) * 1933-06-01 1937-05-18 Western Electric Co Method of and apparatus for coating strands
US2084150A (en) * 1934-09-08 1937-06-15 Western Electric Co Apparatus for coating material
US2110893A (en) * 1935-07-16 1938-03-15 American Rolling Mill Co Process for coating metallic objects with layers of other metals
US2135652A (en) * 1937-05-26 1938-11-08 Reynolds Metals Co Process for metal coating
US2304069A (en) * 1938-12-14 1942-12-08 American Steel & Wire Co Metal coating process
US2526731A (en) * 1945-02-13 1950-10-24 Armco Steel Corp Method of and apparatus for coating metallic strands with a metal coating
US2914423A (en) * 1955-05-12 1959-11-24 Armco Steel Corp Method and apparatus for metallic coating of metallic strands
US3060889A (en) * 1960-09-26 1962-10-30 Armco Steel Corp Coating control device
US3226817A (en) * 1963-04-17 1966-01-04 Internat Nikoh Corp Continuous method for fabricating tubing

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832973A (en) * 1969-01-29 1974-09-03 Kalle Ag Apparatus for the production of a multi-layer sheet material of microporous structure
US3811406A (en) * 1969-02-06 1974-05-21 Connollys Blackley Ltd Apparatus for impregnating and coating stranded bodies
US3620805A (en) * 1969-03-17 1971-11-16 Carl Martin Method for the continuous hot galvanizing of continuously formed elements
US3845540A (en) * 1972-04-28 1974-11-05 Maneely Illinois Hot galvanizing process and apparatus
US3886894A (en) * 1972-12-14 1975-06-03 M & B Metal Products Company Apparatus for cleaning and coating wire
US3976815A (en) * 1972-12-14 1976-08-24 M & B Metal Products Company Method for cleaning and coating rod
US3877975A (en) * 1973-04-12 1975-04-15 Anthony John Raymond Metallic coating of metal tubes and similar work pieces
US3956537A (en) * 1973-04-12 1976-05-11 Anthony John Raymond Metallic coating of metal tubes and similar work pieces
US4281617A (en) * 1979-12-19 1981-08-04 Western Electric Company, Inc. Apparatus for coating conductors
US4339480A (en) * 1980-04-11 1982-07-13 Bethlehem Steel Corporation Gas wiping apparatus and method of using
US4414917A (en) * 1983-01-03 1983-11-15 Industrial Cleaning And Coating, Inc. System for selectively treating cables and the like
US5017407A (en) * 1988-08-24 1991-05-21 Australian Wire Industries Pty. .Limited Stabilisation of jet wiped wire
AU616989B2 (en) * 1988-08-24 1991-11-14 Australian Wire Industries Pty Ltd Stabilization of jet wiped wire
US5066519A (en) * 1988-08-24 1991-11-19 Australian Wire Industries Pty. Limited Jet wiping nozzle
US5492721A (en) * 1990-03-30 1996-02-20 Mag Maschinen Und Apparatebau Gesellschaft Mbh Method for producing enamelled wires using fusible resins
US5527563A (en) * 1991-06-25 1996-06-18 Allied Tube & Conduit Corporation Flow coat galvanizing
US5164229A (en) * 1991-07-08 1992-11-17 The United States Of America As Represented By The Secretary Of The Air Force Method for coating continuous tow
US5217533A (en) * 1991-07-08 1993-06-08 The United States Of America As Represented By The Secretary Of The Air Force Coating apparatus for continuous fibers
US20090215377A1 (en) * 2008-02-22 2009-08-27 Process Air Solutions, Llc Low Pressure Blow-Off Assemblies and Related Methods
US8216033B2 (en) * 2008-02-22 2012-07-10 Process Air Solutions, Llc Low pressure blow-off assemblies and related methods
CN106939398A (zh) * 2017-05-04 2017-07-11 西安泰力松新材料股份有限公司 一种金属丝镀锡工艺及其镀锡装置

Also Published As

Publication number Publication date
FR2002700A1 (fr) 1969-10-31
BE728449A (fr) 1969-07-16
JPS5112570B1 (fr) 1976-04-20
DE1907687A1 (de) 1969-09-18
GB1244933A (en) 1971-09-02
JPS5242531B1 (fr) 1977-10-25
SE350773B (fr) 1972-11-06

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AS Assignment

Owner name: WIRE ROPE CORPORATION OF AMERICA, INCORPORATED, A

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ARMCO INC.;REEL/FRAME:004860/0649

Effective date: 19880314

Owner name: WIRE ROPE CORPORATION OF AMERICA, INCORPORATED, 60

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ARMCO INC.;REEL/FRAME:004860/0649

Effective date: 19880314

AS Assignment

Owner name: WIRE ROPE CORPORATION OF AMERICA, INCORPORATED

Free format text: SECURITY INTEREST;ASSIGNOR:WIRE ROPE CORPORATION OF AMERICA, INCORPORATED;REEL/FRAME:005029/0103

Effective date: 19881014