US1373430A - Method of finishing metal surfaces - Google Patents

Method of finishing metal surfaces Download PDF

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Publication number
US1373430A
US1373430A US269139A US26913918A US1373430A US 1373430 A US1373430 A US 1373430A US 269139 A US269139 A US 269139A US 26913918 A US26913918 A US 26913918A US 1373430 A US1373430 A US 1373430A
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United States
Prior art keywords
enamel
portions
metal surfaces
plated
finishing metal
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Expired - Lifetime
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US269139A
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Alfred H Humphrey
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • 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
    • Y10S29/03—Ornamenting with other step

Definitions

  • This invention relates to improvements in the method of finishing metal surfaces.
  • the main object of this invention is to provide an improved methbd or process of finishing metal surfaces, for example, stove parts and the like, which enables the economical production of such parts with superior and attractive finishes.
  • a further object is to provide an improved method or process of finishing metal surfaces with a combination of enamel and metal plating.
  • Fig. II is a detail front elevation of the stove part shown in Fig. I with a coating of enamel applied thereto.
  • Fig. III is a detail front perspective similar to Fig. II, showing another stepof my method, the enamel having been removed from the raised portions of the surface.
  • Fig. IV is a similar detail perspective after the surface has been subjected to an electroplating bath.
  • similar reference characters refer to similar parts throughout the several views.
  • Fig. I of the drawing is a stove part 1 coated with enamel i except portions 2, indicated as polished,
  • these portions being, in the structure illustrated, raised portions, although the surface has other raised portions, such as 3, which are shown as coated with enamel.
  • Tn carrying out my improved method or process I coat the surface to' be oramented with suitable enamel, remove the enamel from the raised or other'portions which it is desired to plate, and subject to an electroplating bath.
  • the enamel may be removed from the raised portions or other portions Specification of Letters Patent.
  • the raised or other portlons which it is desired to plate are then ground or polished so as to remove all particles of the enamel and prepare the surface for the plating.
  • the article is then subjected to an electroplating bath which coats the raised or exposed portions of the metal after which the plated portions are polished or finished as desired.
  • the process may be carried out by omittlng the step of wiping off the enamel before firing and all the enamel removed by grinding and polishing, although the wiping saves time in the grinding or polishing step preparatory to the electroplating.
  • Fig. I the finished article with the raised portions plated and polished;
  • Fig. II the first step, that is, the surface with the enamel applied thereto.
  • Fig. III the third step, generally speaking,-the article with the enamel removed from the portions to be plated, and in Fig. IV the article plated.
  • My improved method or process is applicable for the ornamentation of various surfaces but is particularly desirable for the atively large surfaces where an ornamental finish Ls desired and at the same time it is quite necessary-to produce economically.
  • composition from portions of and subjecting to an electroplat ing bath whereby the portions freed from the enamel are p ated.

Description

A. H. HUIVIPHREY.
METHOD OF FINISHING METAL SURFACES.
APPLICATION FILED DEC.3I, I918.
L 2 9 1 9 5 vu. p A d ,w m a D1 ALFRED n. HUMP/IRE) BY 75% ATTORNEYS.
ant
AEFRED H. HUMPHREY, OF NEW YORK, N. Y.
METHQD 0F FINISHING METAL SURFACES.
To all whom it my concern:
Be it known that I, ALFRED H. HUM- rniREr, a citizen of the United States, residing at the city, county, and State of New York, have invented certain new and useful Improvements in Methods of Finishing Metal Surfaces, of which the following is a specification.
This invention relates to improvements in the method of finishing metal surfaces.
The main object of this invention is to provide an improved methbd or process of finishing metal surfaces, for example, stove parts and the like, which enables the economical production of such parts with superior and attractive finishes.
A further object is to provide an improved method or process of finishing metal surfaces with a combination of enamel and metal plating.
Further objects and advantages will appear from the detailed description to follow, and in the accompanying drawing I illustrate the important steps of my improved methodL' Figure I is a front perspective of a stove part finished by my improved method.
Fig. II is a detail front elevation of the stove part shown in Fig. I with a coating of enamel applied thereto.
Fig. III is a detail front perspective similar to Fig. II, showing another stepof my method, the enamel having been removed from the raised portions of the surface.
Fig. IV is a similar detail perspective after the surface has been subjected to an electroplating bath. In the drawing similar reference characters refer to similar parts throughout the several views.
The object illustrated in Fig. I of the drawing is a stove part 1 coated with enamel i except portions 2, indicated as polished,
these portions being, in the structure illustrated, raised portions, although the surface has other raised portions, such as 3, which are shown as coated with enamel.
Tn carrying out my improved method or process I coat the surface to' be oramented with suitable enamel, remove the enamel from the raised or other'portions which it is desired to plate, and subject to an electroplating bath. The enamel may be removed from the raised portions or other portions Specification of Letters Patent.
Patented Apr. 5, 1921.
which it is desired to plate by wiping before firmg, and then firing. The raised or other portlons which it is desired to plate are then ground or polished so as to remove all particles of the enamel and prepare the surface for the plating. The article is then subjected to an electroplating bath which coats the raised or exposed portions of the metal after which the plated portions are polished or finished as desired.
The process may be carried out by omittlng the step of wiping off the enamel before firing and all the enamel removed by grinding and polishing, although the wiping saves time in the grinding or polishing step preparatory to the electroplating.
In the drawing I have illustrated in Fig. I the finished article with the raised portions plated and polished; In Fig. II the first step, that is, the surface with the enamel applied thereto. In Fig. III the third step, generally speaking,-the article with the enamel removed from the portions to be plated, and in Fig. IV the article plated. My improved method or process is applicable for the ornamentation of various surfaces but is particularly desirable for the atively large surfaces where an ornamental finish Ls desired and at the same time it is quite necessary-to produce economically.
While m improved process is particularl desira le and used by me in finishing sur aces with enamel and metal plating, other materials than enamel which provide a permanent finish and are non-conducting and unaffected in the electroplating process mi ht be employed.
aving'thus described my invention, what I claim as new and desire to secure by Letters Patent, is:
1. The method of finishing metal surfaces having raised portions consisting of coating with enamel, wiping the enamel from the raised portions, firing, polishing the raised portions, subjecting to an electroplating bath whereby the portions freed from the enamel are plated, and polishing the plated surfaces.
2. The method of finishing metal surfaces having raised portions consisting of applying enamel to the surface, removing the enamel from the raised portions, subjecting the surface'sto an electroplating bath whereby the raised portions are plated, and polishing the plated portions.
3. The method of finishing metal surfaces having raised portions consisting of applying enamel to the surface, removing enamel from the raised portions, and subjecting the surfaces to an electroplating bath whereby the raised portions are plated.
4. The method of finishing metal surfaces consisting of applying a coating of enamel, removing the enamel from portions of the surface, subjecting to an electroplating bath whereby the portions freed from the enamel are plated, and polishing the plated surfaces.
5. The method of finishing metal surfaces consisting of applying a coating of enamel, removing the enamel from portions of the surface,
composition from portions of and subjecting to an electroplat ing bath whereby the portions freed from the enamel are p ated.
6. The method of'finishing metal surfaces consisting of applying a coating of permanent non-conducting composition which is not affected when the surface is subjected to an electroplating solution, removing the the surface to be plated, and subjecting to an electroplat-' ing bath whereby the portions freed from the composition are plated. L V
In witness whereof, I have hereunto set my hand and seal in the presence of two Witnesses.
ALFRED H. HUMPHREY. [L. 3.]
Witnesses:
HAROLD E. HUMPHREY, J. P. CoNRoY.
US269139A 1918-12-31 1918-12-31 Method of finishing metal surfaces Expired - Lifetime US1373430A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594820A (en) * 1947-04-10 1952-04-29 Stern Charles Process for manufacturing timepiece dials
US4075064A (en) * 1975-10-01 1978-02-21 Iwao Otsu Process for the marking on metal or the like surfaces
US4325177A (en) * 1979-01-19 1982-04-20 Depoorter Lieven L Modular art wall systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594820A (en) * 1947-04-10 1952-04-29 Stern Charles Process for manufacturing timepiece dials
US4075064A (en) * 1975-10-01 1978-02-21 Iwao Otsu Process for the marking on metal or the like surfaces
US4325177A (en) * 1979-01-19 1982-04-20 Depoorter Lieven L Modular art wall systems

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