GB1557933A - Apparatus for performing work on a workpiece - Google Patents

Apparatus for performing work on a workpiece

Info

Publication number
GB1557933A
GB1557933A GB1037277A GB1037277A GB1557933A GB 1557933 A GB1557933 A GB 1557933A GB 1037277 A GB1037277 A GB 1037277A GB 1037277 A GB1037277 A GB 1037277A GB 1557933 A GB1557933 A GB 1557933A
Authority
GB
United Kingdom
Prior art keywords
workpiece
performing work
work
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
GB1037277A
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.)
SPRINGFIELD TOOL AND DIE Inc
Original Assignee
SPRINGFIELD TOOL AND DIE Inc
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 by SPRINGFIELD TOOL AND DIE Inc filed Critical SPRINGFIELD TOOL AND DIE Inc
Priority to GB1037277A priority Critical patent/GB1557933A/en
Publication of GB1557933A publication Critical patent/GB1557933A/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
    • B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
    • 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
    • B21D28/30—Perforating, i.e. punching holes in annular parts, e.g. rims

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB1037277A 1977-03-11 1977-03-11 Apparatus for performing work on a workpiece Expired GB1557933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1037277A GB1557933A (en) 1977-03-11 1977-03-11 Apparatus for performing work on a workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1037277A GB1557933A (en) 1977-03-11 1977-03-11 Apparatus for performing work on a workpiece

Publications (1)

Publication Number Publication Date
GB1557933A true GB1557933A (en) 1979-12-19

Family

ID=9966637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1037277A Expired GB1557933A (en) 1977-03-11 1977-03-11 Apparatus for performing work on a workpiece

Country Status (1)

Country Link
GB (1) GB1557933A (en)

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Legal Events

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