US681727A - Manufacture of pattern-rollers. - Google Patents

Manufacture of pattern-rollers. Download PDF

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Publication number
US681727A
US681727A US3166000A US1900031660A US681727A US 681727 A US681727 A US 681727A US 3166000 A US3166000 A US 3166000A US 1900031660 A US1900031660 A US 1900031660A US 681727 A US681727 A US 681727A
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United States
Prior art keywords
roller
pattern
rollers
manufacture
steel
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Expired - Lifetime
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US3166000A
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Emil Offenbacher
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    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/20—Making tools by operations not covered by a single other subclass

Definitions

  • My present invention relates to eertain improvements in the manufacture of patte'n rollers or plates for producing ornaented glass articles, the Object being to provide an improved process whereby any desired design may be engraved on the metal pattern-rollers, as hereinafter fully described', reference being had to the acconpanying drawings, which are intended to render the description more easily comprehensible.
  • Figure 1 is a sectional view of two rollers; showing the first step in my improved process.
  • V Fig. 2 is a similar view showing the second step.
  • Fig. 3 shows the pattern-roller in an advanced stage, and
  • Fig. 4 shows the roller as completed.
  • the new method is as follows: The desired *pattern is engraved on the small Supplementary steel roller a, Fig. 1, said roller being then tempered or hardened and secured on the support of 'an ordinary Iathe or planingmachina, so that the same is in close'contact with the su-face of the steel plate or roller b to be engraved.
  • the latter is coated with an acid-proof paste-like mass c, and as the steel rollerb is revolved,(or as the steel plate b is reciprocated) the supplenentary roller a is alsorevolved and presses the pattern in to the coating c,-so that the steel of the roller or* plate is uncovered at certain points d, While the remaining surface is still coatedwith the said paste-like mass.
  • the roller or plate to r be engraved is then treatedwith nitric acid or other suitable etching liquid, which thus acts on the uncovered points of the steel toremove the excess ;of material and produce chemical alterations whereby the steel is converted at these points into a soft spongy mass.
  • the pressing of the pattern into the etched parts is repeated by means of the supplemental roller a, Fig. 2, Whereby'the projecting parts on the latter penetrate still deeper into the parts softened by the etching liquid.
  • the pattern roller or plate thus obtained is termed positive.
  • I make a second negative roller a' by means of the positive roller a by causing the same to revolve against eachother and pressng'and etching as already deseribed.
  • the negative roller thus obtained is tempered or hardened and employed for producing ,the large .roller for rolling glass.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • ing And Chemical Polishing (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Description

Na. 681,727. Patented sept. 3, |90l.
4 E. OFFENBACHER. AAAAAAAAAAAAAAAAA AAAAAAAAA s.
mmmmmmmmm UNiTnn STATES PATENr QFFICE.
EMIL OFFENBACHER, OF MARKT REDWITZ, GERMANY.
MANUFACTURE OF PATTERN-ROLLERS.
SPECIFICATION formingpart of Letters Patent No, 681,727, dated September 3, 1901.
Application filed October 1, 1900. Serial No. 31,660. (No model.)
To all whom 't may concern: l
Be it known that I, EMIL OFFENBACHER, a subject of the German Emperor,and a resident of Markt Redwitz, in the Empire of Germany, have invented certain new and useful Improvements in the Manufacture of Pattern Rollers or Plates, (already described in my prior pending application, Serial No. 732,009, filed September 29, 1899,) of which the following is a specification.
My present invention relates to eertain improvements in the manufacture of patte'n rollers or plates for producing ornaented glass articles, the Object being to provide an improved process whereby any desired design may be engraved on the metal pattern-rollers, as hereinafter fully described', reference being had to the acconpanying drawings, which are intended to render the description more easily comprehensible.
Figure 1 is a sectional view of two rollers; showing the first step in my improved process.
V Fig. 2 is a similar view showing the second step. Fig. 3 shows the pattern-roller in an advanced stage, and Fig. 4 shows the roller as completed. v
The new method is as follows: The desired *pattern is engraved on the small Supplementary steel roller a, Fig. 1, said roller being then tempered or hardened and secured on the support of 'an ordinary Iathe or planingmachina, so that the same is in close'contact with the su-face of the steel plate or roller b to be engraved. The latter is coated with an acid-proof paste-like mass c, and as the steel rollerb is revolved,(or as the steel plate b is reciprocated) the supplenentary roller a is alsorevolved and presses the pattern in to the coating c,-so that the steel of the roller or* plate is uncovered at certain points d, While the remaining surface is still coatedwith the said paste-like mass. The roller or plate to r be engraved is then treatedwith nitric acid or other suitable etching liquid, which thus acts on the uncovered points of the steel toremove the excess ;of material and produce chemical alterations whereby the steel is converted at these points into a soft spongy mass. Then after removing the acid the pressing of the pattern into the etched parts is repeated by means of the supplemental roller a, Fig. 2, Whereby'the projecting parts on the latter penetrate still deeper into the parts softened by the etching liquid. Then by repeating this as many times as required the desired depth or recesses and projections may be obtained on the, steel roller or plate, as illustrated in Figs. 3 and 4. The pattern roller or plate thus obtained is termed positive. When it is desired ,to have a negative pattern, I make a second negative roller a' by means of the positive roller a by causing the same to revolve against eachother and pressng'and etching as already deseribed.
Then the negative roller thus obtained is tempered or hardened and employed for producing ,the large .roller for rolling glass.
The above-described method enables me to eng'ave most complicated designs in rollers or plates.
Having fully described my invention, what I elaim, and desire to secure by Letters Patent, is-
The process of manufacturing metal pattern rollers and plates, consistingof coating the roller or plate to-be operated on with an acid-proof composition, pressng the pattern of the forming-roller through said composition and exposing a portion of the surface of the roller or plate, etching the exposedsurface with suitable acid', thereby softening the exposed surface, washing the acid therefrom and then repeatedly pressing the roll into the softened metal and etching and washing the same until a pattern of the'desired depth is obtained p v l In testimony whereof I have hereunto set my hand in presence of two witnesses. i
EMIL OFFENBACHER.
Witnesses:
HUGO HEINEMANN, OSCAR BOCK.
US3166000A 1900-10-01 1900-10-01 Manufacture of pattern-rollers. Expired - Lifetime US681727A (en)

Priority Applications (1)

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US3166000A US681727A (en) 1900-10-01 1900-10-01 Manufacture of pattern-rollers.

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US3166000A US681727A (en) 1900-10-01 1900-10-01 Manufacture of pattern-rollers.

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662002A (en) * 1951-02-14 1953-12-08 Frederick A Sunderhauf Method of embossing rolls
US2870560A (en) * 1955-02-03 1959-01-27 Roehlen Engraving Works Inc Method and means for etching figures on rollers
US2885810A (en) * 1957-01-22 1959-05-12 Roehlen Engraving Works Inc Method and means for etching rollers
US3005364A (en) * 1959-07-10 1961-10-24 Broderick Frank Process of preparing mated embossing rolls
US3177104A (en) * 1961-08-01 1965-04-06 Mark Steel Stamp Corp Method of making printing cylinders
US4325779A (en) * 1979-04-17 1982-04-20 Beatrice Foods Co. Method for shaping and finishing a workpiece
CN108296702A (en) * 2017-01-13 2018-07-20 上海众邦制版科技有限公司 A kind of the embossing manufacture craft and embossing making apparatus of hand carving dandy roll

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662002A (en) * 1951-02-14 1953-12-08 Frederick A Sunderhauf Method of embossing rolls
US2870560A (en) * 1955-02-03 1959-01-27 Roehlen Engraving Works Inc Method and means for etching figures on rollers
US2885810A (en) * 1957-01-22 1959-05-12 Roehlen Engraving Works Inc Method and means for etching rollers
US3005364A (en) * 1959-07-10 1961-10-24 Broderick Frank Process of preparing mated embossing rolls
US3177104A (en) * 1961-08-01 1965-04-06 Mark Steel Stamp Corp Method of making printing cylinders
US4325779A (en) * 1979-04-17 1982-04-20 Beatrice Foods Co. Method for shaping and finishing a workpiece
CN108296702A (en) * 2017-01-13 2018-07-20 上海众邦制版科技有限公司 A kind of the embossing manufacture craft and embossing making apparatus of hand carving dandy roll

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