GB2007570B - Method and apparatus for forming elongated tapered wall shells - Google Patents

Method and apparatus for forming elongated tapered wall shells

Info

Publication number
GB2007570B
GB2007570B GB7841430A GB7841430A GB2007570B GB 2007570 B GB2007570 B GB 2007570B GB 7841430 A GB7841430 A GB 7841430A GB 7841430 A GB7841430 A GB 7841430A GB 2007570 B GB2007570 B GB 2007570B
Authority
GB
United Kingdom
Prior art keywords
tapered wall
forming elongated
elongated tapered
wall shells
shells
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
GB7841430A
Other versions
GB2007570A (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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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
Priority claimed from US05/849,996 external-priority patent/US4129024A/en
Priority claimed from US05/852,319 external-priority patent/US4142396A/en
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Publication of GB2007570A publication Critical patent/GB2007570A/en
Application granted granted Critical
Publication of GB2007570B publication Critical patent/GB2007570B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21D51/54—Making hollow objects characterised by the use of the objects cartridge cases, e.g. for ammunition, for letter carriers in pneumatic-tube plants
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/21—Deep-drawing without fixing the border of the blank
    • 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
GB7841430A 1977-11-09 1978-10-20 Method and apparatus for forming elongated tapered wall shells Expired GB2007570B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/849,996 US4129024A (en) 1977-11-09 1977-11-09 Method and apparatus for forming elongated, tapered wall shells
US05/852,319 US4142396A (en) 1977-11-17 1977-11-17 Blanking and forming tapered wall articles

Publications (2)

Publication Number Publication Date
GB2007570A GB2007570A (en) 1979-05-23
GB2007570B true GB2007570B (en) 1982-06-30

Family

ID=27126889

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7841430A Expired GB2007570B (en) 1977-11-09 1978-10-20 Method and apparatus for forming elongated tapered wall shells

Country Status (11)

Country Link
JP (1) JPS5499070A (en)
CA (1) CA1081549A (en)
CH (1) CH632427A5 (en)
DE (1) DE2847812A1 (en)
FR (1) FR2408406A1 (en)
GB (1) GB2007570B (en)
IL (1) IL55784A (en)
IT (1) IT1106787B (en)
NL (1) NL7810626A (en)
NO (1) NO783613L (en)
SE (1) SE7810891L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2508504B2 (en) * 1986-03-28 1996-06-19 三菱マテリアル株式会社 Method for manufacturing thick cylindrical hollow body made of copper-based memory alloy
CN113102532B (en) * 2021-04-14 2022-03-25 中北大学 Labor-saving forming method suitable for large-size thin-wall conical shell

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2345863A (en) * 1939-03-04 1944-04-04 Remington Arms Co Inc Projectile
US2379450A (en) * 1942-06-16 1945-07-03 Musser Clarence Walton Primer manufacture
US2415940A (en) * 1944-10-05 1947-02-18 Remington Arms Co Inc Metal cupping process
US2490926A (en) * 1945-06-01 1949-12-13 Remington Arms Co Inc Blanking and cupping die unit
US3977225A (en) * 1975-03-27 1976-08-31 Aluminum Company Of America Forging method

Also Published As

Publication number Publication date
GB2007570A (en) 1979-05-23
CA1081549A (en) 1980-07-15
JPS5499070A (en) 1979-08-04
NL7810626A (en) 1979-05-11
FR2408406A1 (en) 1979-06-08
IT7851794A0 (en) 1978-11-07
NO783613L (en) 1979-05-10
SE7810891L (en) 1979-05-10
IL55784A (en) 1981-07-31
DE2847812A1 (en) 1979-05-10
IT1106787B (en) 1985-11-18
CH632427A5 (en) 1982-10-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee