US20060048371A1 - Method for manufacturing of a stainless steel product having patterns and drawings thereon - Google Patents

Method for manufacturing of a stainless steel product having patterns and drawings thereon Download PDF

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Publication number
US20060048371A1
US20060048371A1 US10/934,419 US93441904A US2006048371A1 US 20060048371 A1 US20060048371 A1 US 20060048371A1 US 93441904 A US93441904 A US 93441904A US 2006048371 A1 US2006048371 A1 US 2006048371A1
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United States
Prior art keywords
drawings
patterns
product
semi
finished product
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Abandoned
Application number
US10/934,419
Inventor
Chung-He Li
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WILD FOWL CO Ltd
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WILD FOWL CO Ltd
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Priority to US10/934,419 priority Critical patent/US20060048371A1/en
Assigned to WILD FOWL CO., LTD. reassignment WILD FOWL CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LI, CHUNG-HE
Publication of US20060048371A1 publication Critical patent/US20060048371A1/en
Abandoned 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/02—Local 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49885—Assembling or joining with coating before or during assembling
    • 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

Definitions

  • the present invention relates to a method for manufacturing of a stainless steel product having patterns and drawings thereon, more particularly one, which includes shaping, bending and stretching a stainless steel plate into a semi-finished product, and an etching step performed after the shaping, bending and stretching step such that the etched recess areas presenting patterns and drawings can't crack, change shape or reduce in depth.
  • a conventional method for manufacturing of a stainless steel product having patterns and drawings thereon includes the following steps:
  • the etched recess areas presenting the drawings and patterns are so as to be outstanding after the polishing step. And, the recess areas are so as not to crack in the stretching step.
  • a steel plate 10 is stretched such that the length thereof increases by a larger percentage than the width does. Consequently, after the stretching step, drawings and patterns 20 on the steel plate 10 will change to the shape of those 20 of the new steel plate 30 , which is less pleasant looking.
  • Each of the etched recess areas of a steel plate has to be of uniform depth otherwise it is prone to crack in the stretching action.
  • the method of the present invention includes a first step, in which a steel plate is shaped into a semi-finished product, a second step, in which a screen is stuck on the surface of the product, and a protecting substance is applied on the product such that those portions of the product that are not covered with the screen have a protecting film thereon, a third step, in which the product is immersed in etching chemicals such that the portions, which were covered with the screen, not protected with the protecting film, are etched to become recess areas presenting patterns and drawings, and a fourth step, which is polishing.
  • FIG. 1 is a flow chart of the first method for manufacturing of a stainless steel product having patterns and drawings thereon according to the present invention
  • FIG. 2 is a flow chart of the second method according to the present invention.
  • FIG. 3 is a flow chart of the third method according to the present invention.
  • FIG. 4 is a flow chart of the conventional method
  • FIG. 5 is view showing the look of a stainless steel product before and after the stretching step of the conventional method.
  • a first embodiment of a method for manufacturing of a stainless steel product having patterns and drawings thereon includes the following steps:
  • shaping shaping a steel plate into a semi-finished product, e.g. cup, bowl, and plate, by means of pressing, punching, bending and stretching actions with machines;
  • polishing and finishing polishing those portions of the semi-finished product that are not etched such that the etched patterns and drawings are more obvious.
  • the method in the present invention includes a fifth step after the above four steps, which is painting; thus, the finished product is colorful and more attractive.
  • the method in the present invention includes a sixth step after the above four steps, which is plating on chosen portions of the product for making the same outstanding; thus, the finished product has better quality and looks precious.
  • the shaping step which includes pressing, punching, bending, and stretching actions, is performed before the etching step therefore etched drawings and patterns on a product made according to the present method won't change shape in such a way that the length and the width thereof increase by different percentages. Consequently, when a product is finished, the etched drawings and patterns thereon will remain in a pleasant looking shape.
  • the present method includes painting such that a finished product is colorful and more attractive.
  • the present method includes plating such that a finished product has better quality and looks precious.

Abstract

A method includes a first step, in which a steel plate is shaped into a semi-finished product, a second step, in which a screen is stuck on the surface of the semi-finished product, and a protecting substance is applied on the product such that those portions of the product that are not covered with the screen have a protecting film thereon, a third step, in which the product is immersed in etching chemicals such that those portions that were covered with the screen, not protected with the protecting film, are etched to become recess areas presenting patterns and drawings, and a polishing step, which is performed after the etching.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the invention
  • The present invention relates to a method for manufacturing of a stainless steel product having patterns and drawings thereon, more particularly one, which includes shaping, bending and stretching a stainless steel plate into a semi-finished product, and an etching step performed after the shaping, bending and stretching step such that the etched recess areas presenting patterns and drawings can't crack, change shape or reduce in depth.
  • 2. Brief Description of the Prior Art
  • Referring to FIG. 4, a conventional method for manufacturing of a stainless steel product having patterns and drawings thereon includes the following steps:
  • (1) making drawings and patterns, and making a printing plate from the drawings and patterns;
  • (2) reproducing the drawings and patterns on a steel plate according to a screen processing method, and forming a protecting layer on those portions of the surface of the steel plate that don't present the drawings and patterns;
  • (3) immersing the steel plate in etching chemicals to etch the same such that those portions of the surface of the steel plate that present the drawings and patterns become etched recess areas;
  • (4) stretching the steel plate to desired dimensions; the recess areas presenting the drawings and patterns being so as to stand the stretching action;
  • (5) polishing the steel plate; and
  • (6) re-machining and finishing the steel plate.
  • Furthermore, the etched recess areas presenting the drawings and patterns are so as to be outstanding after the polishing step. And, the recess areas are so as not to crack in the stretching step.
  • However, the above method is found to have the following disadvantages:
  • 1. Referring to FIG. 5, a steel plate 10 is stretched such that the length thereof increases by a larger percentage than the width does. Consequently, after the stretching step, drawings and patterns 20 on the steel plate 10 will change to the shape of those 20 of the new steel plate 30, which is less pleasant looking.
  • 2. Each of the etched recess areas of a steel plate has to be of uniform depth otherwise it is prone to crack in the stretching action.
    • SUMMARY
  • It is a main object of the present invention to provide a method for manufacturing of a stainless steel product having patterns and drawings thereon such that the above disadvantages are overcome.
  • The method of the present invention includes a first step, in which a steel plate is shaped into a semi-finished product, a second step, in which a screen is stuck on the surface of the product, and a protecting substance is applied on the product such that those portions of the product that are not covered with the screen have a protecting film thereon, a third step, in which the product is immersed in etching chemicals such that the portions, which were covered with the screen, not protected with the protecting film, are etched to become recess areas presenting patterns and drawings, and a fourth step, which is polishing.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention will be better understood by referring to the accompanying drawings, wherein:
  • FIG. 1 is a flow chart of the first method for manufacturing of a stainless steel product having patterns and drawings thereon according to the present invention,
  • FIG. 2 is a flow chart of the second method according to the present invention,
  • FIG. 3 is a flow chart of the third method according to the present invention,
  • FIG. 4 is a flow chart of the conventional method, and
  • FIG. 5 is view showing the look of a stainless steel product before and after the stretching step of the conventional method.
    • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Referring to FIG. 1, a first embodiment of a method for manufacturing of a stainless steel product having patterns and drawings thereon includes the following steps:
  • (1) shaping: shaping a steel plate into a semi-finished product, e.g. cup, bowl, and plate, by means of pressing, punching, bending and stretching actions with machines;
  • (2) screen printing and forming a protecting film, in which a screen is stuck on the surface of the above semi-finished product, and a protecting substance is applied on the semi-finished product such that those portions of the semi-finished product that are not covered with the screen have a protecting film formed thereon; the screen being made so as to present certain patterns and drawings;
  • (3) etching: immersing the semi-finished product in a sink containing chemicals such that those portions of the semi-finished product, which were covered with the screen, not protected with the protecting film, are etched by the chemicals to become recess areas, which have the same shape as the screen to present the patterns and drawings;
  • (4) polishing and finishing: polishing those portions of the semi-finished product that are not etched such that the etched patterns and drawings are more obvious.
  • Referring to FIG. 2, the method in the present invention includes a fifth step after the above four steps, which is painting; thus, the finished product is colorful and more attractive.
  • Referring to FIG. 3, the method in the present invention includes a sixth step after the above four steps, which is plating on chosen portions of the product for making the same outstanding; thus, the finished product has better quality and looks precious.
  • From the above description, it can be understood that the method of the present invention has advantages as followings:
  • 1. The shaping step, which includes pressing, punching, bending, and stretching actions, is performed before the etching step therefore etched drawings and patterns on a product made according to the present method won't change shape in such a way that the length and the width thereof increase by different percentages. Consequently, when a product is finished, the etched drawings and patterns thereon will remain in a pleasant looking shape.
  • 2. When a product is finished, the etched drawings and patterns thereon will remain outstanding with enough depth because the etching step is performed after the stretching action.
  • 3. The risk of cracking of a stainless steel product with etched drawings and patterns thereon is eliminated because the stretching action is performed before etching step.
  • 4. The present method includes painting such that a finished product is colorful and more attractive.
  • 5. The present method includes plating such that a finished product has better quality and looks precious.

Claims (3)

1. A method for manufacturing of a stainless steel product having patterns and drawings thereon, comprising steps
(1) shaping a steel plate into a semi-finished product;
(2) screen printing and forming a protecting film, in which a screen is stuck on a surface of the semi-finished product, and a protecting substance is applied on the semi-finished product such that those portions of the semi-finished product that are not covered with the screen have a protecting film formed thereon; the screen being made so as to present patterns and drawings;
(3) etching, in which the semi-finished product is immersed in a sink containing etching chemicals such that those portions thereof that were covered with the screen, not protected with the protecting film, are etched by the chemicals to become recess areas presenting the patterns and drawings; and
(4) polishing those portions of the semi-finished product that are not etched.
2. The method for manufacturing of a stainless steel product having patterns and drawings thereon as claimed in claim 1 further including a painting step after the polishing step.
3. The method for manufacturing of a stainless steel product having patterns and drawings thereon as claimed in claim 1 further including a plating step after the polishing step.
US10/934,419 2004-09-07 2004-09-07 Method for manufacturing of a stainless steel product having patterns and drawings thereon Abandoned US20060048371A1 (en)

Priority Applications (1)

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Citations (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US434907A (en) * 1890-08-26 Method of producing ornamental articles
US459137A (en) * 1891-09-08 Process of preparing plates for purposes of utility or ornament
US798037A (en) * 1905-04-03 1905-08-22 Frederick A Hermann Decoration of metal surfaces.
US1719719A (en) * 1928-07-25 1929-07-02 Mina W Noerenberg Etched article and process of producing same
US1794528A (en) * 1929-05-21 1931-03-03 United Metal Products Company Process for producing wood effects upon metal panels
US1900960A (en) * 1931-01-19 1933-03-14 Takeda Kenjiro Method of decorating metal surfaces
US1974011A (en) * 1932-05-16 1934-09-18 Rock Island Register Company Process for mechanically corroding relief intaglio variegated surfaces on metal
US2102162A (en) * 1936-02-21 1937-12-14 Nierenberg Albert Method of producing etched surfaced shells and casings
US2273665A (en) * 1940-04-29 1942-02-17 Otto G Krayer Method of decorating and resurfacing metals
US2283170A (en) * 1939-11-30 1942-05-19 Batcheller Clements Method of coloring etched stainless steel
US2291854A (en) * 1940-02-28 1942-08-04 Interchem Corp Lithographic plate and method of producing it
US2731333A (en) * 1954-05-13 1956-01-17 Komak Inc Method of forming ornamented surfaces
US3503815A (en) * 1968-05-27 1970-03-31 Robert M Johnson Method of producing a multi-colored metal design on an arcuate metal base
US4215194A (en) * 1978-02-21 1980-07-29 Masterwork, Inc. Method for forming three-dimensional objects from sheet metal
US4253908A (en) * 1978-09-21 1981-03-03 Stephen Daly Paul Forming decorated articles
US4254544A (en) * 1978-06-21 1981-03-10 Barker Michael D Method of casting photographic representation having tonal and height contrasts and the article so cast
US4578318A (en) * 1984-10-17 1986-03-25 Tamerlane Corporation Sheet metal ornaments having a lacy appearance and process for making them
US4758952A (en) * 1986-11-24 1988-07-19 P & S Industries, Inc. Process for heat transfer printing
US4786362A (en) * 1987-01-20 1988-11-22 Hermann Ritzenhoff Process for producing decorative or informative patterns on objects formed of singly or multiply plated metal sheets
US4869760A (en) * 1987-01-28 1989-09-26 Kayoh Technical Industry Co., Ltd. Method for production of metallic sticker
US5120396A (en) * 1991-06-04 1992-06-09 Chen Kuo C Process for forming a figure on a product of stainless steel
US5364498A (en) * 1993-07-21 1994-11-15 United Microelectronics Corporation Etch method for manufacturing a color filter
US5401346A (en) * 1992-12-23 1995-03-28 Hughes Aircraft Company Laminated hologram decals for identification cards and the like
US5580604A (en) * 1995-03-06 1996-12-03 Chang; Chih C. Method of manufacturing a hot-stamped decal
US5609967A (en) * 1994-01-12 1997-03-11 Kayoh Technical Industry Co., Ltd. Decorative plate
US5881444A (en) * 1997-12-12 1999-03-16 Aluminum Company Of America Techniques for transferring holograms into metal surfaces
US6375782B1 (en) * 1998-07-30 2002-04-23 J. Kumar Process for the manufacture of decorative stainless steel articles
US20030051801A1 (en) * 2001-09-18 2003-03-20 Fuji Xerox Co., Ltd. Screen printing plate, method and device for manufacturing the same, screen printing method and device, and screen-printed matter
US20050121414A1 (en) * 2003-12-09 2005-06-09 The Foundation For The Promotion Of Supplementary Occupations & Related Techniques Of Her Majesty Qu Process of producing metal-decorating material; metal-decorating material and the use thereof

Patent Citations (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US434907A (en) * 1890-08-26 Method of producing ornamental articles
US459137A (en) * 1891-09-08 Process of preparing plates for purposes of utility or ornament
US798037A (en) * 1905-04-03 1905-08-22 Frederick A Hermann Decoration of metal surfaces.
US1719719A (en) * 1928-07-25 1929-07-02 Mina W Noerenberg Etched article and process of producing same
US1794528A (en) * 1929-05-21 1931-03-03 United Metal Products Company Process for producing wood effects upon metal panels
US1900960A (en) * 1931-01-19 1933-03-14 Takeda Kenjiro Method of decorating metal surfaces
US1974011A (en) * 1932-05-16 1934-09-18 Rock Island Register Company Process for mechanically corroding relief intaglio variegated surfaces on metal
US2102162A (en) * 1936-02-21 1937-12-14 Nierenberg Albert Method of producing etched surfaced shells and casings
US2283170A (en) * 1939-11-30 1942-05-19 Batcheller Clements Method of coloring etched stainless steel
US2291854A (en) * 1940-02-28 1942-08-04 Interchem Corp Lithographic plate and method of producing it
US2273665A (en) * 1940-04-29 1942-02-17 Otto G Krayer Method of decorating and resurfacing metals
US2731333A (en) * 1954-05-13 1956-01-17 Komak Inc Method of forming ornamented surfaces
US3503815A (en) * 1968-05-27 1970-03-31 Robert M Johnson Method of producing a multi-colored metal design on an arcuate metal base
US4215194A (en) * 1978-02-21 1980-07-29 Masterwork, Inc. Method for forming three-dimensional objects from sheet metal
US4254544A (en) * 1978-06-21 1981-03-10 Barker Michael D Method of casting photographic representation having tonal and height contrasts and the article so cast
US4253908A (en) * 1978-09-21 1981-03-03 Stephen Daly Paul Forming decorated articles
US4578318A (en) * 1984-10-17 1986-03-25 Tamerlane Corporation Sheet metal ornaments having a lacy appearance and process for making them
US4758952A (en) * 1986-11-24 1988-07-19 P & S Industries, Inc. Process for heat transfer printing
US4786362A (en) * 1987-01-20 1988-11-22 Hermann Ritzenhoff Process for producing decorative or informative patterns on objects formed of singly or multiply plated metal sheets
US4869760A (en) * 1987-01-28 1989-09-26 Kayoh Technical Industry Co., Ltd. Method for production of metallic sticker
US5120396A (en) * 1991-06-04 1992-06-09 Chen Kuo C Process for forming a figure on a product of stainless steel
US5401346A (en) * 1992-12-23 1995-03-28 Hughes Aircraft Company Laminated hologram decals for identification cards and the like
US5364498A (en) * 1993-07-21 1994-11-15 United Microelectronics Corporation Etch method for manufacturing a color filter
US5609967A (en) * 1994-01-12 1997-03-11 Kayoh Technical Industry Co., Ltd. Decorative plate
US5580604A (en) * 1995-03-06 1996-12-03 Chang; Chih C. Method of manufacturing a hot-stamped decal
US5881444A (en) * 1997-12-12 1999-03-16 Aluminum Company Of America Techniques for transferring holograms into metal surfaces
US6006415A (en) * 1997-12-12 1999-12-28 Aluminum Company Of America Techniques for transferring holograms into metal surfaces
US6375782B1 (en) * 1998-07-30 2002-04-23 J. Kumar Process for the manufacture of decorative stainless steel articles
US20030051801A1 (en) * 2001-09-18 2003-03-20 Fuji Xerox Co., Ltd. Screen printing plate, method and device for manufacturing the same, screen printing method and device, and screen-printed matter
US20050121414A1 (en) * 2003-12-09 2005-06-09 The Foundation For The Promotion Of Supplementary Occupations & Related Techniques Of Her Majesty Qu Process of producing metal-decorating material; metal-decorating material and the use thereof

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AS Assignment

Owner name: WILD FOWL CO., LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LI, CHUNG-HE;REEL/FRAME:015155/0569

Effective date: 20040831

STCB Information on status: application discontinuation

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