IT1106787B - Procedimento ed apparecchio per formare gusci oblunghi a pareti rastremate - Google Patents

Procedimento ed apparecchio per formare gusci oblunghi a pareti rastremate

Info

Publication number
IT1106787B
IT1106787B IT51794/78A IT5179478A IT1106787B IT 1106787 B IT1106787 B IT 1106787B IT 51794/78 A IT51794/78 A IT 51794/78A IT 5179478 A IT5179478 A IT 5179478A IT 1106787 B IT1106787 B IT 1106787B
Authority
IT
Italy
Prior art keywords
procedure
tapered walls
shells
forming oblong
forming
Prior art date
Application number
IT51794/78A
Other languages
English (en)
Other versions
IT7851794A0 (it
Original Assignee
Aluminum Co 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 Co Of America filed Critical Aluminum Co Of America
Publication of IT7851794A0 publication Critical patent/IT7851794A0/it
Application granted granted Critical
Publication of IT1106787B publication Critical patent/IT1106787B/it

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Press Drives And Press Lines (AREA)
  • Wire Processing (AREA)
  • Metal Extraction Processes (AREA)
IT51794/78A 1977-11-09 1978-11-07 Procedimento ed apparecchio per formare gusci oblunghi a pareti rastremate IT1106787B (it)

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
IT7851794A0 IT7851794A0 (it) 1978-11-07
IT1106787B true IT1106787B (it) 1985-11-18

Family

ID=27126889

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51794/78A IT1106787B (it) 1977-11-09 1978-11-07 Procedimento ed apparecchio per formare gusci oblunghi a pareti rastremate

Country Status (11)

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

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
JPS5499070A (en) 1979-08-04
SE7810891L (sv) 1979-05-10
IT7851794A0 (it) 1978-11-07
GB2007570A (en) 1979-05-23
GB2007570B (en) 1982-06-30
IL55784A (en) 1981-07-31
NL7810626A (nl) 1979-05-11
CA1081549A (en) 1980-07-15
DE2847812A1 (de) 1979-05-10
CH632427A5 (fr) 1982-10-15
FR2408406A1 (fr) 1979-06-08
NO783613L (no) 1979-05-10

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