US1370057A - Embossing or printing die or plate and method of forming the same - Google Patents
Embossing or printing die or plate and method of forming the same Download PDFInfo
- Publication number
- US1370057A US1370057A US384133A US38413320A US1370057A US 1370057 A US1370057 A US 1370057A US 384133 A US384133 A US 384133A US 38413320 A US38413320 A US 38413320A US 1370057 A US1370057 A US 1370057A
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- Prior art keywords
- plate
- die
- embossing
- same
- forming
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C3/00—Reproduction or duplicating of printing formes
Description
G. SIFFERT.
EMBO$SI NG 0R PRINTING DIE 0R PLATE AND METHOD OF FORMING THE SAME.-
- APPLICATION FILED my 25, 1920.
1 ,370,057 Patenmd Mar. 1, 1921.
' GEORGE SIFFERT, BROOKLYN, YORK.
T v orrics.
nivnaossme on PRINTING DIE on PLATE AND METHOD OF Fol-mime THE SAME.
Application filed May 25, 1920. Serial No. 384,133. I
To all whom it may concern Be it known that I, .GEORGE SIFFERT, a citizen of the United States, and resident of the borou 'h of Brooklyn, county of Kings, city and tate of New York, have invented certain new and useful Improvements in Embossing or Printing Dies or Plates and Methods of F ormin'g the'Same, of which the following isv a description. 3
The present invention relates to improvements. in embossing or printing dies or plates, and-methods of forming the same, and particularly a reproduced die or plate formed in duplication of an original or master die. Heretofore such plates have-been produced for the most part as electrotypes, and an object of the presentinvention is to enable the production of duplicates in a relatively less expensive manner,'and with a great saving in labor, time, and necessary equipment and apparatus.
ther objects are .130 provide a die which will be sharp in its outline, accurate, and will be thoroughly efficient in use.
With these and other objects in view, an embodiment of my invention is disclosed in the accompanying drawings, and this em bodiment will beher'einafter more fully de scribed with reference thereto, and the invention will be finally pointed out in the claims.
In the accompanying drawings:
Figure 1 is a vertical sectional View showing the first step in the formation of the die, namely. the pressing of a thin metal plate between the'o'riginal'or master die, and the matrix.
Fig. 2 is a similar view showing the plate pressed between the original die and the matrix.
Fig. 3 is a plan view of the inner side of the pressed plate.
Fig. 4: is a sectional View taken on the line H of Fig. 3.
Fig. 5 is a sectional view through the plate and mold showing the parts in position to receive the molten metal forming the Fig. 6 is a plan view of the face side of a finished plate, and,
Similar reference characters indicate corresponding parts throughout the several figures of the drawings.
Referring particularly to Figs. 1 and 2,
Specification of Letters l atent.
' Patented Mar.
the die, according to the present embodiment .of my invention, comprises a thin metal plate '10 of brass, copper, tin or other suitable metal, providedwith an upturned rim 11, substantially at right angles thereto, and having the design impressed therein in .either relief or intaglio, the impression being produced directly from the original or master die or chase of type, the latter in producing printing plate reproductions.
Soldering acid 13 is applied to the inner side of the plate to produce a suitable surface to cause adherence of the backing, and a sheet of tin-foil14 is placed upon the plate for the purpose of 1 causing the same to re main flat during the ing; The backing l5," which may be of any suitable metal, such as spelter, lead, pewter or the like, is applied in molten state, being confined within the rim 11 of the plate, and is combined substantially homogeneously with the tin-foil and upper surface of the plate, the soldering acid causing an inti-i mate adherence with the plate. The sides. and back of the finished .block maybe application of the backi planed, filed or otherwise suitably finished.
periphery of the die'16, and forming a pocket into which the die is adaptedto bev moved in slightly spaced relation thereto.
The thin metal plate 10 is placed upon the matrix, as indicated in Fig. 1, the same being of'such dimension. as to extend substantially beyond the periphery of the die 16, and thereupon the press is operated to move the die into the pocket, thereby impressing the design into the thin metal plate, and forming the upturned rim 11 between the side wall 19 and the periphery of the die 16, as shown in Fig. 2. The plate is now ready to be provided with a solid backing, and as a preliminary to this, the inner side plate is covered with a suitable binding medium, as for instance, soldering acid 18, and above the same there is placed a thin sheet of tin-foil 14:. The plate is then placed upon a flat base 28, and the rim 11 is preferably confined within a frame 21,
fined within the rim 11, and combining intimately with the, inner side of the pla'te by .means of the soldering acid and the tin-foil.
The tin-foil has for its purpose, the prevention of warping'of the plate, so that it remains flat. The rim 11 also serves to. maintain the plate rigid against warping, so that'a flat surface is maintained. The surface of the backing is then suitably finished to produce asmooth rear surface and the desired thickness to the block. duced die isnowready for use. It is obvious that the die will equal, if not surpass, the electrotype reproductions heretofore in use, in all oftheir necessary characteristics. As a result of the direct impressing of the face plate of the die from the original or master die, a very much sharper and exact reproductionis produced than has been the case with electrolytic methods. The dies may be produced quickly, economically, and with the use of very little apparatus; 7 V g I have illustrated and described a preferred and satisfactory embodiment of my invention, but it is obvious that changes may be made therein within the spirit and scope thereof, as defined in the appended-claims II claim V 1. A duplicate die for printing, embossing or stamping, comprising a, thin metal plate having impressed therein a configuration in strict conformity with an original. die, and adapted to be .used in place thereof, and reinforcing means extending wholly around the marginal edge of the plate adapted to prevent warping and bending of the plate during manufacture and use.
2. A duplicate die for printing, embossing orstamping, comprising a thin, metal plate.
having impressed therein a configuration in strict conformity with an original die, and
provided with a marginal flange extending The repro entirely around the plate for reinforcing the plate and preventing warping and distortionof the same. I,
3. A duplicate die for printing, embossing or stamping, comprising a thin sheet metal die having a configuration in strict conformity to the original die or plate, and cor'respending to the matter desired to be printed, embossed or stamped, and adapted to be used in place of the original die, said die having a marginal flange extending entirely around the die and adapted to be incorporated with a backing.
4. A duplicate die for printing, embossing in subjectinga thin metal plate to the action of a die and matrix where'byto cause the thin metal plate to acquire an impression and to provide marginal flanges at the edge of the thin plate extending rearwardly, coating the rear surface of the thin metal plate so impressed with a soldering acid, covering the soldering acid with a second thin strengthening plate, placing the two plates thus combined in a mold, and pouring molten backing metal into the cavity provided by the flanges of the first mentioned thin metal plate whereby such backing material may be incorporated therewith.-
In testimony that I claim the foregoing as my invention, I have signed my name hereunder. i
GEORGE SIFFERT.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US384133A US1370057A (en) | 1920-05-25 | 1920-05-25 | Embossing or printing die or plate and method of forming the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US384133A US1370057A (en) | 1920-05-25 | 1920-05-25 | Embossing or printing die or plate and method of forming the same |
Publications (1)
Publication Number | Publication Date |
---|---|
US1370057A true US1370057A (en) | 1921-03-01 |
Family
ID=23516163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US384133A Expired - Lifetime US1370057A (en) | 1920-05-25 | 1920-05-25 | Embossing or printing die or plate and method of forming the same |
Country Status (1)
Country | Link |
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US (1) | US1370057A (en) |
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1920
- 1920-05-25 US US384133A patent/US1370057A/en not_active Expired - Lifetime
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