CA1081549A - Blanking and forming tapered wall articles - Google Patents

Blanking and forming tapered wall articles

Info

Publication number
CA1081549A
CA1081549A CA316,023A CA316023A CA1081549A CA 1081549 A CA1081549 A CA 1081549A CA 316023 A CA316023 A CA 316023A CA 1081549 A CA1081549 A CA 1081549A
Authority
CA
Canada
Prior art keywords
blank
die
aperture
exit aperture
entrance aperture
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
CA316,023A
Other languages
English (en)
French (fr)
Inventor
Charles H. Deveney Jr.
Ronald L. Kolakowski
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
Application granted granted Critical
Publication of CA1081549A publication Critical patent/CA1081549A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Wire Processing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Metal Extraction Processes (AREA)
  • Press Drives And Press Lines (AREA)
CA316,023A 1977-11-09 1978-11-09 Blanking and forming tapered wall articles Expired CA1081549A (en)

Applications Claiming Priority (4)

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
US849,996 1977-11-09
US852,319 1977-11-17
US05/852,319 US4142396A (en) 1977-11-17 1977-11-17 Blanking and forming tapered wall articles

Publications (1)

Publication Number Publication Date
CA1081549A true CA1081549A (en) 1980-07-15

Family

ID=27126889

Family Applications (1)

Application Number Title Priority Date Filing Date
CA316,023A Expired CA1081549A (en) 1977-11-09 1978-11-09 Blanking and forming tapered wall articles

Country Status (11)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2508504B2 (ja) * 1986-03-28 1996-06-19 三菱マテリアル株式会社 銅系記憶合金製厚肉円筒中空体の製造方法
CN113102532B (zh) * 2021-04-14 2022-03-25 中北大学 一种适用于大尺寸薄壁锥形壳体省力成形方法

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
FR2408406A1 (fr) 1979-06-08
GB2007570B (en) 1982-06-30
CH632427A5 (fr) 1982-10-15
SE7810891L (sv) 1979-05-10
GB2007570A (en) 1979-05-23
IT1106787B (it) 1985-11-18
IL55784A (en) 1981-07-31
NL7810626A (nl) 1979-05-11
DE2847812A1 (de) 1979-05-10
NO783613L (no) 1979-05-10
JPS5499070A (en) 1979-08-04
IT7851794A0 (it) 1978-11-07

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Legal Events

Date Code Title Description
MKEX Expiry