US490773A - Charles osborne - Google Patents

Charles osborne Download PDF

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Publication number
US490773A
US490773A US490773DA US490773A US 490773 A US490773 A US 490773A US 490773D A US490773D A US 490773DA US 490773 A US490773 A US 490773A
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Prior art keywords
perforations
metal
projections
osborne
forming
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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
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/24—Making hollow objects characterised by the use of the objects high-pressure containers, e.g. boilers, bottles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/496—Multiperforated metal article making

Definitions

  • WITNESSES I INVE 'TOR zfezuw 9%. Y W
  • This improvement relates more particularly to the process of forming perforations in metal tops for condiment bottles and similar articles and it consists in forming hollow projections on-the metal and in subsequently removing the hollow projections.
  • Figure l is a plan view of a blank embodying one step of my process.
  • Fig. 2 is a transverse section thereof.
  • Fig. 3 is a plan view of a blank showing the perforations completed in accordance with my process.
  • Fig. 4 is a transverse section thereofl.
  • A designates a metal blank struck up by a suitable die to form the central portion a approximately the size of a bottle mouth' or neck. Within this central portion a portions of the metal are forced up to form the hollow projections a which are here shown as conical in form. These projections a are imperforate and may be formed at the same time the central portion a is formed. These projections a are to be removed to form the perforations a The projections may be removed by any desirable means, such for in stance, as by grinding or by cutting with a turning tool.
  • the process of forming perforations in metal tops for bottles consisting in first forming the blank with a number of imperforate hollow projections and in subsequently removing said projections by cutting from the outer side, substantially as specified.

Description

(No Model.)
0. OSBORNE. METHOD OF PERFORATING METAL.
No; 490,773. Patented Jan} 31, 1893;
WITNESSES: I INVE 'TOR zfezuw 9%. Y W
fl/JATTORNEY UNITED STATES PATENT OFFICE.
CHARLES OSBORNE, OF NEW YORK, N. Y., ASSIGNOR TO THE WHITING MANUFACTURING COMPANY, OF SAME PLACE.
METHOD OF PERFORATING METAL.
SPECIFICATION forming part of Letters Patent No. 490,773, dated January 31, 1893.
Application filed May 27, 1892. $en'a1 No. 434,556. (No model.)
To all whom it may concern.-
Be it known that 1, CHARLES OSBORNE, of New York, county and State of New York, have invented a new and useful Improvement in the Process of Forming Perforations in Metal, of which the following is a specification.
This improvement relates more particularly to the process of forming perforations in metal tops for condiment bottles and similar articles and it consists in forming hollow projections on-the metal and in subsequently removing the hollow projections.
I will describe a process embodying my improvement and then point out the novel features in a claim.
In the accompanying drawings, Figure l is a plan view of a blank embodying one step of my process. Fig. 2 is a transverse section thereof. Fig. 3 is a plan view of a blank showing the perforations completed in accordance with my process. Fig. 4 is a transverse section thereofl Referring by letter to the drawings, A designates a metal blank struck up by a suitable die to form the central portion a approximately the size of a bottle mouth' or neck. Within this central portion a portions of the metal are forced up to form the hollow projections a which are here shown as conical in form. These projections a are imperforate and may be formed at the same time the central portion a is formed. These projections a are to be removed to form the perforations a The projections may be removed by any desirable means, such for in stance, as by grinding or by cutting with a turning tool.
By forming the perforations by my process, I save time in the operation and also prevent fraying of the edges of the perforations as is liable to occur when the perforations are formed with a punch in the usual manner.
Having described my invention, what I claim is:
The process of forming perforations in metal tops for bottles consisting in first forming the blank with a number of imperforate hollow projections and in subsequently removing said projections by cutting from the outer side, substantially as specified.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
CHARLES OSBORNE.
Witnesses! CONSTANT TELLIER, F. E. KoLB.
US490773D Charles osborne Expired - Lifetime US490773A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645793A (en) * 1949-06-17 1953-07-21 Nat Machinery Co Nut piercing method
US2781849A (en) * 1952-03-25 1957-02-19 Hartford Nat Bank & Trust Co Method of forming small apertures in thin metal plate-shaped articles
US2807970A (en) * 1951-09-08 1957-10-01 Talon Inc Die insert for molding slide fastener stringers and method of making the same
US2977823A (en) * 1958-12-17 1961-04-04 Russell T Conn Slotter knives and method of making same
US3025087A (en) * 1958-06-24 1962-03-13 James F Snow Sealing structure
US3137057A (en) * 1959-11-13 1964-06-16 Lyon Inc Manufacture of missile casings

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645793A (en) * 1949-06-17 1953-07-21 Nat Machinery Co Nut piercing method
US2807970A (en) * 1951-09-08 1957-10-01 Talon Inc Die insert for molding slide fastener stringers and method of making the same
US2781849A (en) * 1952-03-25 1957-02-19 Hartford Nat Bank & Trust Co Method of forming small apertures in thin metal plate-shaped articles
US3025087A (en) * 1958-06-24 1962-03-13 James F Snow Sealing structure
US2977823A (en) * 1958-12-17 1961-04-04 Russell T Conn Slotter knives and method of making same
US3137057A (en) * 1959-11-13 1964-06-16 Lyon Inc Manufacture of missile casings

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