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GB1304181A - - Google Patents

Info

Publication number
GB1304181A
GB1304181A GB1304181DA GB1304181A GB 1304181 A GB1304181 A GB 1304181A GB 1304181D A GB1304181D A GB 1304181DA GB 1304181 A GB1304181 A GB 1304181A
Authority
GB
United Kingdom
Prior art keywords
die
bore
holder
tool frame
heenan
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
Other languages
English (en)
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 filed Critical
Publication of GB1304181A publication Critical patent/GB1304181A/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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)
GB1304181D 1969-05-20 1969-05-20 Expired GB1304181A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2575269 1969-05-20

Publications (1)

Publication Number Publication Date
GB1304181A true GB1304181A (pt) 1973-01-24

Family

ID=10232717

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1304181D Expired GB1304181A (pt) 1969-05-20 1969-05-20

Country Status (1)

Country Link
GB (1) GB1304181A (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319794A (zh) * 2011-08-31 2012-01-18 无锡宝露锻造有限公司 锻件冲孔用模具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319794A (zh) * 2011-08-31 2012-01-18 无锡宝露锻造有限公司 锻件冲孔用模具

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees