GB1297287A - - Google Patents

Info

Publication number
GB1297287A
GB1297287A GB1297287DA GB1297287A GB 1297287 A GB1297287 A GB 1297287A GB 1297287D A GB1297287D A GB 1297287DA GB 1297287 A GB1297287 A GB 1297287A
Authority
GB
United Kingdom
Prior art keywords
drilling
web
rig
flanges
movable
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 GB1297287A publication Critical patent/GB1297287A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B41/003—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for drilling elongated pieces, e.g. beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)
GB1297287D 1970-11-02 1970-11-02 Expired GB1297287A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5191170 1970-11-02

Publications (1)

Publication Number Publication Date
GB1297287A true GB1297287A (enrdf_load_stackoverflow) 1972-11-22

Family

ID=10461890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297287D Expired GB1297287A (enrdf_load_stackoverflow) 1970-11-02 1970-11-02

Country Status (1)

Country Link
GB (1) GB1297287A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523793A (en) * 1975-06-27 1977-01-12 Toshitaka Yamagata Clamping apparatus in drilling machine
CN107350508A (zh) * 2017-08-31 2017-11-17 重庆固捷钢结构有限公司 一种钢板钻孔装置
CN118143322A (zh) * 2024-05-13 2024-06-07 赣州俊东管道制作安装工程有限公司 一种角铁圆法兰的自动打孔装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523793A (en) * 1975-06-27 1977-01-12 Toshitaka Yamagata Clamping apparatus in drilling machine
CN107350508A (zh) * 2017-08-31 2017-11-17 重庆固捷钢结构有限公司 一种钢板钻孔装置
CN118143322A (zh) * 2024-05-13 2024-06-07 赣州俊东管道制作安装工程有限公司 一种角铁圆法兰的自动打孔装置

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Legal Events

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