GB2007570B – Method and apparatus for forming elongated tapered wall shells
– Google Patents
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
1977-11-09
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.)
1977-11-09
Filing date
1978-10-20
Publication date
1982-06-30
1977-11-09
Priority claimed from US05/849,996
external-priority
patent/US4129024A/en
1977-11-17
Priority claimed from US05/852,319
external-priority
patent/US4142396A/en
1978-10-20
Application filed by Aluminum Company of America
filed
Critical
Aluminum Company of America
1979-05-23
Publication of GB2007570A
publication
Critical
patent/GB2007570A/en
1982-06-30
Application granted
granted
Critical
1982-06-30
Publication of GB2007570B
publication
Critical
patent/GB2007570B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
1978
1978-10-19
SE
SE7810891A
patent/SE7810891L/en
unknown
1978-10-20
GB
GB7841430A
patent/GB2007570B/en
not_active
Expired
1978-10-24
IL
IL55784A
patent/IL55784A/en
unknown
1978-10-25
NO
NO783613A
patent/NO783613L/en
unknown
1978-10-25
NL
NL7810626A
patent/NL7810626A/en
not_active
Application Discontinuation
1978-11-02
DE
DE19782847812
patent/DE2847812A1/en
not_active
Withdrawn
1978-11-07
IT
IT51794/78A
patent/IT1106787B/en
active
1978-11-08
JP
JP13776578A
patent/JPS5499070A/en
active
Pending
1978-11-08
CH
CH1150878A
patent/CH632427A5/en
not_active
IP Right Cessation
1978-11-09
FR
FR7831694A
patent/FR2408406A1/en
not_active
Withdrawn
1978-11-09
CA
CA316,023A
patent/CA1081549A/en
not_active
Expired
Also Published As
Publication number
Publication date
JPS5499070A
(en)
1979-08-04
NO783613L
(en)
1979-05-10
IT1106787B
(en)
1985-11-18
DE2847812A1
(en)
1979-05-10
CH632427A5
(en)
1982-10-15
NL7810626A
(en)
1979-05-11
IT7851794D0
(en)
1978-11-07
GB2007570A
(en)
1979-05-23
CA1081549A
(en)
1980-07-15
IL55784A
(en)
1981-07-31
FR2408406A1
(en)
1979-06-08
SE7810891L
(en)
1979-05-10
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Legal Events
Date
Code
Title
Description
1983-05-25
PCNP
Patent ceased through non-payment of renewal fee
