US971641A - Art of enameling metals. - Google Patents

Art of enameling metals. Download PDF

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Publication number
US971641A
US971641A US47558109A US1909475581A US971641A US 971641 A US971641 A US 971641A US 47558109 A US47558109 A US 47558109A US 1909475581 A US1909475581 A US 1909475581A US 971641 A US971641 A US 971641A
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enameling
art
metals
article
enamel
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US47558109A
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Benjamin W Gilchrist
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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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D3/00—Chemical treatment of the metal surfaces prior to coating

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  • GEORGE L RICE AND BENJAMIN W. GILCHRIST, OF WOODHAVEN, NEW YORK; SAID GILCHRIST ASSIGNOR T0 SAID RICE.
  • This invention relates to the art of enameling metal and particularly to the art of enameling household utensilsand other articles of manufacture or merchandise composed of iron or steel; and the invention consists in the article produced by the process herein after described and in the process of producing said article as hereinafter set forth.
  • the cell a contains an electrolyte i of which sulfur and a salt of metal or metals form a part, and the operation of this apparatus will be the same as that of all similar apparatus of this class.
  • this operation there is a film or covering of material deposited on the utensil d, and this film or covering contains sulfur which may be present either in the free or combined state.
  • Our invention is particularly designed for use in enameling various utensils or articles composed of iron or steel, and in practice we prefer that the electrolyte in the cell a shall contain salts of magnetic metals and sulfur.
  • the method of enameling a metallic article which consists in depositing, by the electrolytic process, on the article to be enameled, a coating of magnetic material and sulfur, and then applying the enamel thereto.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cookers (AREA)

Description

G. L B10136; B.-W. GILUHRIST. ART OF ENAMELING METALS; APPLICATION FILED FEB. 2, 1909.
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GEORGE L. RICE AND BENJAMIN W. GILCHRIST, OF WOODHAVEN, NEW YORK; SAID GILCHRIST ASSIGNOR T0 SAID RICE.
ART OF ENAMELING METALS.
Specification of Letters Patent.
Patented (J e a Application filed February 2, 1909. Serial No. 475,581.
7 make and use the same.
This invention relates to the art of enameling metal and particularly to the art of enameling household utensilsand other articles of manufacture or merchandise composed of iron or steel; and the invention consists in the article produced by the process herein after described and in the process of producing said article as hereinafter set forth.
The invention is fully disclosed in the following specification, of which the accompanying drawing forms a part, said drawing being a sectional view of one form of an ap paratus which we may employ.
In the drawing forming part of this speci fication, we have shown at a an ordinary electrolytic cell provided with the usual cathode and anode supports 6 and c, and from the cathode support I) we suspend a utensil (Z which constitutes the article to be enameled, and from the anode support 0 is suspended the usual anode e, and connected with the parts I) and c or through said parts with the parts 03 and e are the usual circuit wires f and g which connect with a generator It or other source of electricity.
The cell a contains an electrolyte i of which sulfur and a salt of metal or metals form a part, and the operation of this apparatus will be the same as that of all similar apparatus of this class. In this operation there is a film or covering of material deposited on the utensil d, and this film or covering contains sulfur which may be present either in the free or combined state.
Our invention is particularly designed for use in enameling various utensils or articles composed of iron or steel, and in practice we prefer that the electrolyte in the cell a shall contain salts of magnetic metals and sulfur.
In the enameling of articles composed of iron or steel, as this rocess has heretofore been produced it has een found diiiicult to unite the enamel with the body of the utensil or article in such manner as to produce a perfect union, and the enamel easily shells off or breaks of, but with our improved process the sulfur in the magnetic covering or coating which is first placed on the utensil or article to be enameled enables the enamel to adhere to the body of the utensil or article and to practically form an integral part thereof, or in other words the union between the iron or steel body, the magnetic film or coating and the enamel is such that these parts cannot be separated, and while the enamel may be broken by violent or rough usage it will not separate from the metallic body.
Having fully described our invention, what we claim as new and desire to secure by Letters Patent, is
1. The method of enameling a metallic article, which consists in depositing, by the electrolytic process, on the article to be enameled, a coating of magnetic material and sulfur, and then applying the enamel thereto.
2. The. improvement in the art of enameling metallic articles which consists in interposing between the body of the article and the enamel a binding, coating or film of magnetic material containing sulfur.
In testimony that we claim the foregoing as our invention we have signed our names in presence of the subscribing witnesses this 80th day of January 1909.
GEORGE L. RICE. BENJAMIN IV. GILCI-IQTST. lVitnesses C. E. MULREANY, HARRY R. CANFIELD.
US47558109A 1909-02-02 1909-02-02 Art of enameling metals. Expired - Lifetime US971641A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510071A (en) * 1945-08-09 1950-06-06 Poor & Co Vitreous enameling of ferrous metal
US2593922A (en) * 1947-04-16 1952-04-22 Sprague Electric Co Insulated electrical conductor
US2776254A (en) * 1950-09-07 1957-01-01 Siegfried G Bart Rubber bonding process
US3481839A (en) * 1963-10-21 1969-12-02 Inoue K Method of depositing substances on and diffusing them into conductive bodies under high-frequency electric field

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510071A (en) * 1945-08-09 1950-06-06 Poor & Co Vitreous enameling of ferrous metal
US2593922A (en) * 1947-04-16 1952-04-22 Sprague Electric Co Insulated electrical conductor
US2776254A (en) * 1950-09-07 1957-01-01 Siegfried G Bart Rubber bonding process
US3481839A (en) * 1963-10-21 1969-12-02 Inoue K Method of depositing substances on and diffusing them into conductive bodies under high-frequency electric field

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