US257090A - Albeet siohel - Google Patents

Albeet siohel Download PDF

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US257090A
US257090A US257090DA US257090A US 257090 A US257090 A US 257090A US 257090D A US257090D A US 257090DA US 257090 A US257090 A US 257090A
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die
plunger
cap
siohel
cylindrical
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/04Making uncoated products by direct extrusion
    • B21C23/14Making other products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00Making hollow objects
    • B21D51/16Making hollow objects characterised by the use of the objects
    • B21D51/38Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44Making closures, e.g. caps

Definitions

  • Metallic capsules are made usually from soft or ductile metal-such, for instance, as tinfoil, or foil produced by rolling into sheets of proper thickness ingots having a lead coreand tin exterior.
  • capsules should have slightly-tapered sides, to enable them to be easily fitted upon the necks of bottles, &c., and also to permit them to be nested and brought compactly within small compass for shipment and transportation.
  • the first step is to form a cylindrical or straight-sided cap-blank from a disk or blank of foil material by the conjoint action of a die in which the disk is placed and a cylindrical plunger brought forcibly to bear upon that disk with the effect of squeezing out a portion of the metal so that it shall run up between the sides of the die and plun- (No model.)
  • the capsule in which the metal is distributed so that the sides and top or end shall be practically of the same thickness.
  • the mechanism employed is inexpensive and free from complication, and the capsules can be made rapidly and economically.
  • Figure 1 is represented diagrammatically in section the cylindrical die B and cylindrical plunger A, used to produce the cylindrical or straight-sided cap.
  • Fig. 2 is shown at O, in plan and side elevation, the soft-metal disk or blank to be acted on.
  • This disk is placed in the die, and the plunger is then brought down upon it with force.
  • the effect will be to squeeze out from beneath the plunger a portion of the metal which will run up between the sides of the plunger and die, and upon the plunger, so as to form a straight-sided or cylindrical cap, as indicated at C, Fig. 1.
  • the plunger is then lifted and the cylindrical cap stripped from it.
  • the latter is shown separately in side elevation at 0, Fig. 3.
  • Its open end is as large, or nearly as large, in diameter as is required for the open end of the tapered finished cap.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)

Description

UNITED STATES PATENT OFFICE.
ALBERT SIOHEL, OF NEW YORK, N. Y.
MANUFACTURE OF METALLIC CAPSULES.
SPECIFICATION forming p'art of Letters Patent No. 257,090, dated Apiil 25, 1882.
Application filed November 30, 1881.
To all whom it may concern:
Be it known that I, ALBERT StoHEL, of the city, county, and State of New York, have invented a certain new and useful Improvement in the Manufacture of Metallic Capsules, of which the following'is a specification.
Metallic capsules are made usually from soft or ductile metal-such, for instance, as tinfoil, or foil produced by rolling into sheets of proper thickness ingots having a lead coreand tin exterior.
I remark at the outset that it is essential that capsules should have slightly-tapered sides, to enable them to be easily fitted upon the necks of bottles, &c., and also to permit them to be nested and brought compactly within small compass for shipment and transportation.
It has been customary heretofore, so far as I am aware, to produce metallic capsules of this kind in one of three ways. They have been spun on a lathe; but this process is slow and expensive as well. They have also been produced by a punching operation; but this mode of making them is disadvantageous, inasmuch as only shallow caps-say not exceeding threc-eighths to o'ne-half of an inch deepcan thereby be produced, and the caps are defective in that their sides are considerably thinner than their tops or ends. By still another method they have been produced by the successive action of a series of dies and punches;
but this method is complicated and troublesome, requiring, as it does, the employment of a number'of interdependent dies and punches. The machinery, moreover, is very expensive, and much time is consumed in setting and adjusting the dies.
It is my object to produce tapered metallic capsules in a simpler, more effective, and more economical way than is practicable under either of the above-mentioned methods.
To this end I have devised an improvement in the art of manufacturing metallic capsules which involves two steps. The first step is to form a cylindrical or straight-sided cap-blank from a disk or blank of foil material by the conjoint action of a die in which the disk is placed and a cylindrical plunger brought forcibly to bear upon that disk with the effect of squeezing out a portion of the metal so that it shall run up between the sides of the die and plun- (No model.)
capsule in which the metal is distributed so that the sides and top or end shall be practically of the same thickness. The mechanism employed is inexpensive and free from complication, and the capsules can be made rapidly and economically.
My improvement will be readily understood by reference to the accompanying drawings, in which I have represented so much of the machinery employed as needed for the purpose of explaining my invention.
In Figure 1 is represented diagrammatically in section the cylindrical die B and cylindrical plunger A, used to produce the cylindrical or straight-sided cap.
In Fig. 2 is shown at O, in plan and side elevation, the soft-metal disk or blank to be acted on. This disk is placed in the die, and the plunger is then brought down upon it with force. The effect will be to squeeze out from beneath the plunger a portion of the metal which will run up between the sides of the plunger and die, and upon the plunger, so as to form a straight-sided or cylindrical cap, as indicated at C, Fig. 1. The plunger is then lifted and the cylindrical cap stripped from it. The latter is shown separately in side elevation at 0, Fig. 3. Its open end is as large, or nearly as large, in diameter as is required for the open end of the tapered finished cap. I then give the cylindrical cap 0 the requisite taper by forcing it down in a taperingdie,D, (shown diagrammatically in connection with its pluugerE in Fig. 4.) The mouth or open end of the die is about of the diameter of the top or closed end of the cap C. It thence gradually decreases in diameter downward until it is of a size to fit snugly around the. spring-upheld follower D, which forms the bottom of the die. That portion of the plunger E which enters the die is of a size and taper to fit the die, its lower end being of the same size as the upper end.
of follower D. The cap 0 is placed open end upward in the die D, resting on the end of follower D, and the plunger E is then brought down, so as to enter the cap and clamp it upon the head of the follower, as indicated in Fig. 4. The plunger continues to descend until it is forced home in the die, pushing before it the follower D against the stress of its spring D By the action of these devices the diameter of the head or closed end of the capsule is decreased, and its sides are tapered and slightly elongated, as indicated in Fig. 4 at 0 This operation concludes the process, and the capsule when removed will have the form shown at C in Fig.5, which is a side elevation of the completed article.
Having described my invention, what I claim, and desire to secure by Letters Patent,
The improvement in the art of manufacturing metallic capsules, which consistsin first producing a cylindrical cap from a soft-metal blank by the conjoint action of a die and plunger, by which the disk is pressed or squeezed, substantially in the manner described, and then subjecting this cap to the action of a tapering die and plunger, by which said cap is pressed into the form of a tapering capsule, substantially as and for the purposes hereinbefore set forth.
In testimony whereof I have hereunto set my hand this'28th day of November, 1881.
A. G. HOTGHKISS, HENRY KRAHE.
US257090D Albeet siohel Expired - Lifetime US257090A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759205A (en) * 1967-06-26 1973-09-18 G Dolveck Process for making metallic hollow articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759205A (en) * 1967-06-26 1973-09-18 G Dolveck Process for making metallic hollow articles

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