US413373A - Art of drawing sheet metal - Google Patents
Art of drawing sheet metal Download PDFInfo
- Publication number
- US413373A US413373A US413373DA US413373A US 413373 A US413373 A US 413373A US 413373D A US413373D A US 413373DA US 413373 A US413373 A US 413373A
- Authority
- US
- United States
- Prior art keywords
- sheet metal
- metal
- art
- pattern
- dies
- 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
Links
- 239000002184 metal Substances 0.000 title description 42
- 239000000853 adhesive Substances 0.000 description 18
- 230000001070 adhesive Effects 0.000 description 18
- 239000000126 substance Substances 0.000 description 12
- 239000004922 lacquer Substances 0.000 description 8
- 239000002966 varnish Substances 0.000 description 6
- 229920001800 Shellac Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229940113147 shellac Drugs 0.000 description 4
- 235000013874 shellac Nutrition 0.000 description 4
- 239000004208 shellac Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/30—Deep-drawing to finish articles formed by deep-drawing
Definitions
- the object of my invention is the ornamentation of drawn sheet-metal articles.
- I form a pattern by applying an adhesive substance to the surface of the sheet metal by means of a brush or by stenciling, printing, or otherwise, using as the adhesive substance shellac, varnish, or, preferably, the lacquer commonly employed in decorating sheet-metal articles, though any other substance which will adhere to the surface of the sheet metal during the drawing operation may be employed.
- I then draw the metal into the desired form (for example, into the form of a cup, lamp-bowl, lantern top or foot, or other article) in the usual manner in suitable dies, and afterward remove the adhesive substance by Washing it with a suitable solvent.
- r Figure 1 shows in plan view a blank prepared according to the iirst step of my method.
- Fig. 2 is a vertical cross-section on the line I I I Iof Fig. 1.
- Fig. 3 is a vertical sectional view of dies which may be used in drawing the sheet-metal blank.
- Fig. 4 is a side elevation, partly in section, of the product of these dies.
- 2 represents the sheet-metal blank, and 3 the lacquer pattern applied thereto.
- the metal is drawn in dies, which may be of the form shown in Fig. 3, in which 4 represents the matrix die, 5 a ring or clamp ⁇ and 6 a plunger or male die.
- the blank is drawn into the form of a cup, as shown in Fig. 4, and after removing the lacquer byl washing with a suitable solvent the pattern will be found reproduced on its surface.
Description
oooooooooo l l l ART OP DRAWINGSHBET METAL. K No. .413,3 7 3 P a t e n t e d O c t 2 2 1 8 8 9 UNITED SIIATE-s- PATENT OFFICE.
AEcHIEALD W. PAULL, or WHEELING, wEsT VIRGINIA.
ART OF DRAWING SHEET METAL.
SPECIFICATION forming part ot Letters Patent No. 413,373, dated October 22, 1889.
Application nea Aprnl, 1889. sean No. 305,607. (No more To all whom/it may concern:
Be it known that I, ARCHIBALD W. PAUDL, of Wheeling, in the county of Ohio and State of West Virginia, have invented a new and useful Improvement in the Art of Drawing Sheet Metal, of which the following is a full, clear, and exact description.
The object of my invention is the ornamentation of drawn sheet-metal articles.
I have discovered that if apattern be formed upon the surface of sheet metal by means of an adhesive substance-such as shellac or lacquer-and the metal be then drawn in suitable dies to form the article, a pattern corresponding in outline to the pattern so applied will be formed in the body of the metal, and may be made visible by removing the adhesive substance. forms the subject of this patent.
In practicing my invention I form a pattern by applying an adhesive substance to the surface of the sheet metal by means of a brush or by stenciling, printing, or otherwise, using as the adhesive substance shellac, varnish, or, preferably, the lacquer commonly employed in decorating sheet-metal articles, though any other substance which will adhere to the surface of the sheet metal during the drawing operation may be employed. I then draw the metal into the desired form (for example, into the form of a cup, lamp-bowl, lantern top or foot, or other article) in the usual manner in suitable dies, and afterward remove the adhesive substance by Washing it with a suitable solvent. There will then be found reproduced on the surface of the metal by the action of the dies an impressed pattern similar in outline to that `originally applied with the adhesive substance, except that the parts of the pattern are elongated by the drawing action of. the dies. The depth of the impressed pattern will depend upon the degree of thickness of application of the adhesive coating, and may be regulated by varying such thickness. f
The forms and styles of pattern which may be reproduced by means of this invention are of course without practical limit; and it may be applied to articles drawn of any form or from any kind of sheet metal.
It isV this discovery which My invention is illustrated in the accompanying drawings, in which r Figure 1 shows in plan view a blank prepared according to the iirst step of my method. Fig. 2 is a vertical cross-section on the line I I I Iof Fig. 1. Fig. 3 is a vertical sectional view of dies which may be used in drawing the sheet-metal blank. Fig. 4 is a side elevation, partly in section, of the product of these dies.
Like symbols of reference indicate like parts in each.
In the drawings, 2 represents the sheet-metal blank, and 3 the lacquer pattern applied thereto. After the lacquer has been applied to the surface of the sheet the metal is drawn in dies, which may be of the form shown in Fig. 3, in which 4 represents the matrix die, 5 a ring or clamp` and 6 a plunger or male die. By these dies the blank is drawn into the form of a cup, as shown in Fig. 4, and after removing the lacquer byl washing with a suitable solvent the pattern will be found reproduced on its surface.
By modifying the form of the dies articles of many'diierent forms may be made, and after the drawing operation the article may be modified in form by further drawing in other dies or by stamping, pressing, spinning,`
or otherwise.
I claim broadly- 1. In'the art of drawing sheet metal, the improvement which consists in forming a pattern by applying adhesive material to the sheet metal, drawing the same, and removing the adhesive material, substantially as and for the purposes described.
2. In the art of drawing sheet metal, the improvement which consists in forming a pattern by applying varnish to the sheet metal, drawing the same, and removing the varnish, substantially as and for the purposes de scribed.
In testimony whereof I have hereunto set my hand this 28th of March, 1889.
ARCHIBALD W. PAULL.
Witnesses:
THOMAS W. BAKEWELL, J. K. SMITH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US413373A true US413373A (en) | 1889-10-22 |
Family
ID=2482304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US413373D Expired - Lifetime US413373A (en) | Art of drawing sheet metal |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US413373A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192166A (en) * | 1977-12-19 | 1980-03-11 | Reed And Barton Corporation | Decorated metal objects drawn from decorated blanks |
-
0
- US US413373D patent/US413373A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192166A (en) * | 1977-12-19 | 1980-03-11 | Reed And Barton Corporation | Decorated metal objects drawn from decorated blanks |
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