GB2056327B - Making cup-shaped cylindrical shells - Google Patents

Making cup-shaped cylindrical shells

Info

Publication number
GB2056327B
GB2056327B GB7919343A GB7919343A GB2056327B GB 2056327 B GB2056327 B GB 2056327B GB 7919343 A GB7919343 A GB 7919343A GB 7919343 A GB7919343 A GB 7919343A GB 2056327 B GB2056327 B GB 2056327B
Authority
GB
United Kingdom
Prior art keywords
shaped cylindrical
cylindrical shells
making cup
cup
making
Prior art date
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
Application number
GB7919343A
Other versions
GB2056327A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Textron Inc
Original Assignee
Textron Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Textron Inc filed Critical Textron Inc
Priority to GB7919343A priority Critical patent/GB2056327B/en
Publication of GB2056327A publication Critical patent/GB2056327A/en
Application granted granted Critical
Publication of GB2056327B publication Critical patent/GB2056327B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/12—Shaping end portions of hollow articles
    • B21K21/14—Shaping end portions of hollow articles closed or substantially-closed ends, e.g. cartridge bottoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion
    • B21C23/035—Making products of generally elongated shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/04—Shaping thin-walled hollow articles, e.g. cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D21/00—Machines or devices for shearing or cutting tubes
    • B23D21/14—Machines or devices for shearing or cutting tubes cutting inside the tube
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/16—Additional equipment in association with the tools, e.g. for shearing, for trimming

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
GB7919343A 1979-06-04 1979-06-04 Making cup-shaped cylindrical shells Expired GB2056327B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7919343A GB2056327B (en) 1979-06-04 1979-06-04 Making cup-shaped cylindrical shells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7919343A GB2056327B (en) 1979-06-04 1979-06-04 Making cup-shaped cylindrical shells

Publications (2)

Publication Number Publication Date
GB2056327A GB2056327A (en) 1981-03-18
GB2056327B true GB2056327B (en) 1982-10-13

Family

ID=10505620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7919343A Expired GB2056327B (en) 1979-06-04 1979-06-04 Making cup-shaped cylindrical shells

Country Status (1)

Country Link
GB (1) GB2056327B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016184B2 (en) * 2012-09-27 2015-04-28 National Machinery Llc Precision forged cartridge case
US10495430B2 (en) 2017-03-07 2019-12-03 National Machinery Llc Long cartridge case
CN112517658B (en) * 2020-10-16 2022-04-08 中北大学 Bidirectional differential extrusion forming die for external longitudinal rib cylindrical part
CN113059016B (en) * 2021-03-16 2022-04-05 中北大学 Thinning, stretching and extruding composite forming die for large-height-diameter ratio cylinder
CN113042559B (en) * 2021-03-16 2022-04-15 中北大学 Thinning, stretching and extruding composite forming method for large-height-diameter-ratio cylinder
CN113102532B (en) * 2021-04-14 2022-03-25 中北大学 Labor-saving forming method suitable for large-size thin-wall conical shell

Also Published As

Publication number Publication date
GB2056327A (en) 1981-03-18

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee