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US2314604A - Method of producing chromium wearing surfaces - Google Patents

Method of producing chromium wearing surfaces Download PDF

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Publication number
US2314604A
US2314604A US270018A US27001839A US2314604A US 2314604 A US2314604 A US 2314604A US 270018 A US270018 A US 270018A US 27001839 A US27001839 A US 27001839A US 2314604 A US2314604 A US 2314604A
Authority
US
United States
Prior art keywords
chromium
layer
bore
pits
depressions
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.)
Expired - Lifetime
Application number
US270018A
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English (en)
Inventor
Horst Henderik Van Der
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.)
Van Der Horst Corp of America
Original Assignee
Van Der Horst Corp of America
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32178909&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US2314604(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB25806/38A external-priority patent/GB518694A/en
Application filed by Van Der Horst Corp of America filed Critical Van Der Horst Corp of America
Application granted granted Critical
Publication of US2314604A publication Critical patent/US2314604A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/02—Surface coverings of combustion-gas-swept parts
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/04—Tubes; Rings; Hollow bodies
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/08—Etching of refractory metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/20—Other cylinders characterised by constructional features providing for lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0403—Refractory metals, e.g. V, W
    • F05C2201/0406—Chromium
    • 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
    • Y10S29/00—Metal working
    • Y10S29/012—Method or apparatus with electroplating
    • 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
    • Y10S417/00—Pumps
    • Y10S417/01—Materials digest
    • 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
    • Y10S428/934—Electrical process
    • 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
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49643—Rotary bearing
    • Y10T29/49647—Plain bearing
    • Y10T29/49668—Sleeve or bushing making
    • Y10T29/49677—Sleeve or bushing making having liner
    • 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
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49705—Coating or casting
    • 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
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49709—Specific metallic composition
    • 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
    • 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
    • Y10T428/12479—Porous [e.g., foamed, spongy, cracked, etc.]
    • 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
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-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
    • Y10T428/12861—Group VIII or IB metal-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

  • V ' ⁇ 1'r iaim (cram-2s) mium is removed from the surface, and the surface of the chromium after treatment is covered It is known that by providing a surface layer I of chromium on the cylinder bores of engines,
  • the rate of wear of the bore can be very greatlyreduced as the chromium layer is extremely hard and is also highly resistant to corrosion.
  • the chromium layer can be deposited electrolytically on the cylinder bore, and owing to the hardness of the chromium it is desirable that the deposited chromium should be of such a form and thickness that a minimum of mechani- ,with small grooves, pits or depressions which.
  • the appearance of the surface and-the effective area of the grooves, pits or depressions relative to the total area of the surface depend to a certain extent on the length of the treatment with reversed current and the current density cal finishing of the surface is required. It is also desirable that the finished surface ofthe chm-- mium should not be too smooth as a highly pol-, f
  • ished chromium surface is liable to pick up under working conditions, that is, to be torn away from a the surface of the cylinderbore'.
  • chromium in the surface of which are formed numerous small grooves, pits or depressions. Under working, con- I ditions oil is retained in these and there is no tendency for the chromium to pick up. Further, such a finely irregular chromium surface permits the piston rings to grind the chromium layer sufficiently to form a close fit between therings preferably a chromic acid solution as used in the and cylinder early in their life, despite the extreme hardness of chromium as a metal, and
  • the chromium must be pitted or perforated to the underlying metal (e. g. cast-iron).
  • the underlying metal e. g. cast-iron.
  • the chromium layer is aifected only part way through, the layer as a whole being impervious.
  • a layer of chromiumof the desired thickness or of slightly more than the required thickness is deposited electrolytiduce friction.
  • the surface may have the appearance of' an open grain cast'iron.
  • a. cylinderbore is sition of the chromium but preferably it is ,car-
  • the solution in the second'bath is first bath, but various other acid or alkaline solutions such as a 20 caustic soda solution may be employed.
  • a suitable surface can be obtained by treating a smooth chromium deposit with a reversed current of from 150 to 450 ampere-minutes per square fdecimetre.
  • cylindrical extensions having the same diameter as the cylinder bore may be temporarily secured to the ends of the cylinder block or liner in alignment with the bore.
  • the surface of the chromium layer after deposition maybe lightly honed to remove any projections or high spots before the chromium is treated with the reversed current.
  • a chromium surface in accordance with my invention is particularly adapted for use in the cylinders of engines having aluminium pistons and can be applied to cylinder blocks, barrels or liners of cast-iron, steel or any other metal on which chromium can be deposited electrolytically, and it can also be applied to other cylin- I drical bores.
  • the steps in the method which consist in taking a bore of a foundation metal having a diameter greater than the desired finished diameter, electroplating the same with chromium to a thickness such that the diameter of the bore is substantially equal to or is less than the desired finished diameter, and thereafter passing current through the chromium for a short time, in an aqueous solution of an electrolyte adapted to remove chromium from the surface and in such a direction that the exposed surface of the chromium is an anode, until at least about 150 ampere-mix .utes of electricity per square decimeter of the surface of the chromium has passed through the chromium, to remove electrolytically a part of the deposited chromium and produce therein grooves, pits or depressions.
  • the steps in the method which consist in taking a bore'of a foundation metal having a diameter greater than the desired finished diameter, electroplating the same with chromium to a thickness such that the diameter of the bore is less than the desired finished diameter, thereafter passing current through .the chromium for' a short time, in an electrolytic bath adapted to remove chromium from the electroplate and in such a direction that the chromium is an anode, and until at least about 150 ampere-minutes of electricity per square decimeter of the surface of the chromium has passed through the chromium, to produce grooves, pits or depressions in the chromium, and thereafter treating the bore by an operation similar to honing to enlarge the bore to the desired finished diameter.
  • a process as claimed in claim 8 in which the treatment with the chromium layer acting as an anode, is carried out in an aqueous chromic acid solution separate from the bath in which the chromium is deposited.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
US270018A 1938-09-03 1939-04-25 Method of producing chromium wearing surfaces Expired - Lifetime US2314604A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB25806/38A GB518694A (en) 1939-02-21 1938-09-03 Improvements in or relating to chromium surface layers on cylinder bores
GB219417X 1939-02-21

Publications (1)

Publication Number Publication Date
US2314604A true US2314604A (en) 1943-03-23

Family

ID=32178909

Family Applications (2)

Application Number Title Priority Date Filing Date
US270018A Expired - Lifetime US2314604A (en) 1938-09-03 1939-04-25 Method of producing chromium wearing surfaces
US476753A Expired - Lifetime US2412698A (en) 1938-09-03 1943-02-22 Chromium for wear resistance

Family Applications After (1)

Application Number Title Priority Date Filing Date
US476753A Expired - Lifetime US2412698A (en) 1938-09-03 1943-02-22 Chromium for wear resistance

Country Status (5)

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US (2) US2314604A (es)
CH (1) CH219417A (es)
DE (1) DE758779C (es)
FR (1) FR949687A (es)
NL (1) NL57383C (es)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430750A (en) * 1944-07-18 1947-11-11 United Chromium Inc Method of electroplating to produce fissure network chromium plating
US2433457A (en) * 1944-04-29 1947-12-30 Koppers Co Inc Chrome plated wear resisting surface
US2450296A (en) * 1944-08-25 1948-09-28 United Chromium Inc Method of producing articles having fissured chromium surface electrodeposits
US2498982A (en) * 1945-09-10 1950-02-28 Arthur Percy Warren Abrasive type cutting element and the manufacture thereof
US2534406A (en) * 1944-09-22 1950-12-19 Jr Harry M Bramberry Coated metal article and method of making the same
US2564109A (en) * 1945-12-15 1951-08-14 Hartford Nat Bank & Trust Co Lubrication of the cylinders of piston engines
US2575394A (en) * 1944-12-27 1951-11-20 Union Carbide & Carbon Corp Reciprocating piston and cylinder mechanism
US2620296A (en) * 1943-02-22 1952-12-02 Monochrome Ltd Method of electrolytically coating and etching bearing surfaces
DE880241C (de) * 1949-06-15 1953-06-18 Alois Dr-Ing Gabriel Kolbenring aus Grauguss mit metallischem Laufflaechenueberzug
US2674782A (en) * 1951-06-20 1954-04-13 Robert E Surtees Method of making oil retainer sleeves
US2947674A (en) * 1956-10-17 1960-08-02 Metal Finishers Inc Method of preparing porous chromium wearing surfaces
US2999798A (en) * 1955-12-09 1961-09-12 Daimler Benz Ag Method of producing a wear-resisting surface on a metal element
US3063763A (en) * 1958-12-02 1962-11-13 Chromium Corp Of America Chromium bearing surface
US3123412A (en) * 1964-03-03 Tsutomu takao
US3200057A (en) * 1960-12-27 1965-08-10 Ford Motor Co Electrophoretic coating process
US3200058A (en) * 1961-08-23 1965-08-10 Ford Motor Co Cyclical current reversal for an electrophoretic deposition
US3657078A (en) * 1969-07-30 1972-04-18 Chromium Corp Of America Method of producing cylinder liners with different degrees of roughness in high and low pressure areas
US3871799A (en) * 1972-10-20 1975-03-18 Itt Rotary-piston motor with improved cylinder chamber moving seals
US3890209A (en) * 1972-06-03 1975-06-17 Toyo Kogyo Co Abrasion resistant mechanical member with composite nickel-plating layer having meshlike porous portion and a method for manufacture thereof
US3932228A (en) * 1973-11-01 1976-01-13 Suzuki Jidosha Kogyo Kabushiki Kaisha Metal material for sliding surfaces
US3945893A (en) * 1972-12-30 1976-03-23 Suzuki Motor Company Limited Process for forming low-abrasion surface layers on metal objects
US3962834A (en) * 1974-09-16 1976-06-15 Van Der Horst Corporation Of America Method of producing a pitted, porous electrodeposited chromium coating
US4056339A (en) * 1975-10-16 1977-11-01 Toyo Kogyo Co., Ltd. Rotary piston type internal combustion engines
US4063644A (en) * 1973-07-13 1977-12-20 Grumman Aerospace Corporation Process for nondestructive inspection
US4706417A (en) * 1984-09-06 1987-11-17 Chromium Corporation Finish for cylinder liners
US5085745A (en) * 1990-11-07 1992-02-04 Liquid Carbonic Corporation Method for treating carbon steel cylinder
WO2006087585A1 (en) * 2005-02-16 2006-08-24 Accentus Plc Ultrasonic treatment plant

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE916484C (de) * 1939-04-16 1954-08-12 Friedr Blasberg Fa Verfahren zur Herstellung von saugfaehigen Chromueberzuegen an Zylinderbohrungen
US2453404A (en) * 1945-06-01 1948-11-09 Walter S Bohlman Apparatus for making plastic masses
NL69965C (es) * 1945-08-10
US2558286A (en) * 1945-08-27 1951-06-26 Carl W Albertson Method of making frictional bearing surfaces
US2719095A (en) * 1951-06-13 1955-09-27 American Electro Metal Corp Production of corrosion-resistant coatings on copper infiltrated ferrous skeleton bodies
US2815567A (en) * 1953-04-15 1957-12-10 Federal Mogul Corp Process for making bearings
US3055087A (en) * 1954-06-07 1962-09-25 Union Carbide Corp Carbonyl metal plated product
US2830015A (en) * 1955-06-17 1958-04-08 Superior Plating Company Chromium electrodeposit and method of plating
US2982220A (en) * 1957-11-29 1961-05-02 Commercial Shearing Thrust plates for rotary pumps and motors
US2968865A (en) * 1958-05-21 1961-01-24 Rey Jean Claude Process for building up sleeves for diesel and other engines
US2980593A (en) * 1958-05-27 1961-04-18 Aerodex Inc Method of treating chromium plated cylinders
US3019590A (en) * 1958-10-24 1962-02-06 Brame Textile Machine Company Flyers for textile machines
US3300286A (en) * 1964-07-10 1967-01-24 Mirror Polishing And Plating C Composite metallic roll or other member and method of making same
DE2326408C3 (de) * 1973-05-24 1983-01-05 Zündapp-Werke GmbH, 8000 München Verfahren zum Erzeugen von Schrägen an Schlitzkanten von Hubkolbenmaschinen-Zylindern
US4235583A (en) * 1978-03-23 1980-11-25 General Motors Corporation Extrusion die and method for making same
JPS5551162A (en) * 1978-10-09 1980-04-14 Kioritz Corp Cylinder in aluminum alloy and its preparation
DE3718710A1 (de) * 1987-06-04 1988-12-22 Nat Rejectors Gmbh Ablenkelement fuer muenzpruefer
JP2579422Y2 (ja) * 1991-02-01 1998-08-27 株式会社共立 二サイクルエンジン用シリンダ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE454168C (de) * 1921-07-20 1927-12-30 Georg Grube Dr Verfahren der elektrolytischen Abscheidung von reinem Chrom in dicken Schichten
US1904432A (en) * 1926-07-27 1933-04-18 Chemical Treat Company Inc Method of electrodepositing chromium

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123412A (en) * 1964-03-03 Tsutomu takao
US2620296A (en) * 1943-02-22 1952-12-02 Monochrome Ltd Method of electrolytically coating and etching bearing surfaces
US2433457A (en) * 1944-04-29 1947-12-30 Koppers Co Inc Chrome plated wear resisting surface
US2430750A (en) * 1944-07-18 1947-11-11 United Chromium Inc Method of electroplating to produce fissure network chromium plating
US2450296A (en) * 1944-08-25 1948-09-28 United Chromium Inc Method of producing articles having fissured chromium surface electrodeposits
US2534406A (en) * 1944-09-22 1950-12-19 Jr Harry M Bramberry Coated metal article and method of making the same
US2575394A (en) * 1944-12-27 1951-11-20 Union Carbide & Carbon Corp Reciprocating piston and cylinder mechanism
US2498982A (en) * 1945-09-10 1950-02-28 Arthur Percy Warren Abrasive type cutting element and the manufacture thereof
US2564109A (en) * 1945-12-15 1951-08-14 Hartford Nat Bank & Trust Co Lubrication of the cylinders of piston engines
DE880241C (de) * 1949-06-15 1953-06-18 Alois Dr-Ing Gabriel Kolbenring aus Grauguss mit metallischem Laufflaechenueberzug
US2674782A (en) * 1951-06-20 1954-04-13 Robert E Surtees Method of making oil retainer sleeves
US2999798A (en) * 1955-12-09 1961-09-12 Daimler Benz Ag Method of producing a wear-resisting surface on a metal element
US2947674A (en) * 1956-10-17 1960-08-02 Metal Finishers Inc Method of preparing porous chromium wearing surfaces
US3063763A (en) * 1958-12-02 1962-11-13 Chromium Corp Of America Chromium bearing surface
US3200057A (en) * 1960-12-27 1965-08-10 Ford Motor Co Electrophoretic coating process
US3200058A (en) * 1961-08-23 1965-08-10 Ford Motor Co Cyclical current reversal for an electrophoretic deposition
US3657078A (en) * 1969-07-30 1972-04-18 Chromium Corp Of America Method of producing cylinder liners with different degrees of roughness in high and low pressure areas
US3890209A (en) * 1972-06-03 1975-06-17 Toyo Kogyo Co Abrasion resistant mechanical member with composite nickel-plating layer having meshlike porous portion and a method for manufacture thereof
US3871799A (en) * 1972-10-20 1975-03-18 Itt Rotary-piston motor with improved cylinder chamber moving seals
US3945893A (en) * 1972-12-30 1976-03-23 Suzuki Motor Company Limited Process for forming low-abrasion surface layers on metal objects
US4063644A (en) * 1973-07-13 1977-12-20 Grumman Aerospace Corporation Process for nondestructive inspection
US3932228A (en) * 1973-11-01 1976-01-13 Suzuki Jidosha Kogyo Kabushiki Kaisha Metal material for sliding surfaces
US3962834A (en) * 1974-09-16 1976-06-15 Van Der Horst Corporation Of America Method of producing a pitted, porous electrodeposited chromium coating
US4056339A (en) * 1975-10-16 1977-11-01 Toyo Kogyo Co., Ltd. Rotary piston type internal combustion engines
US4706417A (en) * 1984-09-06 1987-11-17 Chromium Corporation Finish for cylinder liners
US4862864A (en) * 1984-09-06 1989-09-05 Chromium Corporation Finish for cylinder liners
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WO2006087585A1 (en) * 2005-02-16 2006-08-24 Accentus Plc Ultrasonic treatment plant

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DE758779C (de) 1952-07-28
CH219417A (de) 1942-02-15
FR949687A (fr) 1949-09-06
US2412698A (en) 1946-12-17
NL57383C (es)

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