US140616A - Improvement in devices for manufacturing jewelry-bases - Google Patents

Improvement in devices for manufacturing jewelry-bases Download PDF

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Publication number
US140616A
US140616A US140616DA US140616A US 140616 A US140616 A US 140616A US 140616D A US140616D A US 140616DA US 140616 A US140616 A US 140616A
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blank
bases
devices
improvement
former
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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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/08—Bending by altering the thickness of part of the cross-section of the work
    • B21D11/085—Bending by altering the thickness of part of the cross-section of the work by locally stretching or upsetting

Definitions

  • Figure 1 is a plan and section of the blank to be operated upon.
  • Fig. 2 is a plan and section of the former, shown in the blank A.
  • Fig. 3 is aface view and section of the female die.
  • Fig. 4 is a face view and section of the plunger.
  • Fig. 5 is a plan view and section of the blank and former as they come from the die.
  • Fig. 6 is a face view and section of the mandrel.
  • Fig. 7 is a side and edge view of the burnisher.
  • Fig. 8 is a plan and section of the blank as it comes from the mandrel and burnisher.
  • Fig. 9 is a plan view and section of the completed blank.
  • A represents a blank, having the bottom a and barrel to at a sharp angle, a to each other.
  • 13 is a former, made in sections, preferably in five pieces, b b b b b.
  • C is a female die, made with a detachable bottom, 0, for convenience in removing the blank, and with a shoulder, 0 in its cavity, leaving a space, 0 around the barrel a of the blank A when said blank is inserted in said die 0.
  • D is a plunger, which is made with a square edge, d and a recess, (1 having a rounded angle, (1
  • the former B is placed in the blank A, and
  • the blank is inserted within the shoulder C of the die (3.
  • the plunger D is then brought down upon the edge a of the barrel a of the blank A, turning the said edge a inward over the former B, producing the blank A.
  • E is a mandrel, which is made hollow, and with a cavity, 0, in which. the blank A is placed.
  • the blank A is nowplaced in the mandrel E, and while the mandrel is being rotated in a lathe, a burnisher, F, is held against the turned-over edge a which is thus pressed down upon the former B until it has a sharp angle.
  • the blank is now taken out of the mandrel, and the middle section b of the former is removed, and subsequently the others, after which the bottom a is cut out so as to produce the blank A which consists of three curved strips, two being horizontal, and the other, which connects them, vertical.

Description

S. BOTTLE. Devices for Manufacturing Jewelry Bases.
No. 140,616, Patentedluly 8,\873.
b r nu AM. PHam-umsrem/c co. 1v.( manuals nwcsss) Witnesses:
UNITED STATES PATENT OFFICE.
SHUBAEL GOTTLE, OF NEW YORK, N. Y.
IMPROVEMENT IN DEVICES FOR MANUFACTURING JEWELRY-BASES.
Specification forming part of Letters Patent No. 140,616, dated July 8, 1873; application filed March 22, 1873.
To all whom it may concern:
Be it known that I, SHUBAEL GorrLE, of the city, county, and State of New York, have invented a new and useful Improvement in Means for Making certain forms of J ewelry- Bases for Studs, Buttons, Settings, Bracelets, Scarf-Rings, 850., of which the following is a specification The invention consists in a peculiarly-constructed former combined with a die-burnisher and mandrel, as hereinafter described;
Figure 1 is a plan and section of the blank to be operated upon. Fig. 2 is a plan and section of the former, shown in the blank A. Fig. 3 is aface view and section of the female die. Fig. 4 is a face view and section of the plunger. Fig. 5 is a plan view and section of the blank and former as they come from the die. Fig. 6 isa face view and section of the mandrel. Fig. 7 is a side and edge view of the burnisher. Fig. 8 is a plan and section of the blank as it comes from the mandrel and burnisher. Fig. 9 is a plan view and section of the completed blank.
A represents a blank, having the bottom a and barrel to at a sharp angle, a to each other. 13 is a former, made in sections, preferably in five pieces, b b b b b. C is a female die, made with a detachable bottom, 0, for convenience in removing the blank, and with a shoulder, 0 in its cavity, leaving a space, 0 around the barrel a of the blank A when said blank is inserted in said die 0. D is a plunger, which is made with a square edge, d and a recess, (1 having a rounded angle, (1
The former B is placed in the blank A, and
the blank is inserted within the shoulder C of the die (3. The plunger D is then brought down upon the edge a of the barrel a of the blank A, turning the said edge a inward over the former B, producing the blank A.
E is a mandrel, which is made hollow, and with a cavity, 0, in which. the blank A is placed.
The blank A is nowplaced in the mandrel E, and while the mandrel is being rotated in a lathe, a burnisher, F, is held against the turned-over edge a which is thus pressed down upon the former B until it has a sharp angle. This produces the blank A The blank is now taken out of the mandrel, and the middle section b of the former is removed, and subsequently the others, after which the bottom a is cut out so as to produce the blank A which consists of three curved strips, two being horizontal, and the other, which connects them, vertical.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The former B, consisting of a middle section, b, and several surrounding sections 1), in combination with a die 0 D, burnisher F, and mandrel E, as and for the purpose described.
Witnesses: SHUBAEL OOTTLE.
JAMES T. GRAHAM, T. B. MOSHER.
US140616D Improvement in devices for manufacturing jewelry-bases Expired - Lifetime US140616A (en)

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