GB2196885B - Drilling apparatus - Google Patents

Drilling apparatus

Info

Publication number
GB2196885B
GB2196885B GB8725524A GB8725524A GB2196885B GB 2196885 B GB2196885 B GB 2196885B GB 8725524 A GB8725524 A GB 8725524A GB 8725524 A GB8725524 A GB 8725524A GB 2196885 B GB2196885 B GB 2196885B
Authority
GB
United Kingdom
Prior art keywords
drilling apparatus
drilling
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 - Fee Related
Application number
GB8725524A
Other versions
GB8725524D0 (en
GB2196885A (en
Inventor
Alec Reginald Carruthers
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.)
ALH Systems Ltd
Original Assignee
ALH Systems Ltd
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 GB868626355A external-priority patent/GB8626355D0/en
Application filed by ALH Systems Ltd filed Critical ALH Systems Ltd
Priority to GB8725524A priority Critical patent/GB2196885B/en
Publication of GB8725524D0 publication Critical patent/GB8725524D0/en
Publication of GB2196885A publication Critical patent/GB2196885A/en
Application granted granted Critical
Publication of GB2196885B publication Critical patent/GB2196885B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/044—Drills for trepanning with core holding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/21—Glued connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
GB8725524A 1986-11-04 1987-10-30 Drilling apparatus Expired - Fee Related GB2196885B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8725524A GB2196885B (en) 1986-11-04 1987-10-30 Drilling apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868626355A GB8626355D0 (en) 1986-11-04 1986-11-04 Drilling apparatus
GB8725524A GB2196885B (en) 1986-11-04 1987-10-30 Drilling apparatus

Publications (3)

Publication Number Publication Date
GB8725524D0 GB8725524D0 (en) 1987-12-02
GB2196885A GB2196885A (en) 1988-05-11
GB2196885B true GB2196885B (en) 1990-07-04

Family

ID=26291492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8725524A Expired - Fee Related GB2196885B (en) 1986-11-04 1987-10-30 Drilling apparatus

Country Status (1)

Country Link
GB (1) GB2196885B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8719594D0 (en) * 1987-08-19 1987-09-23 Water Res Centre Hole saw device
CN112589154B (en) * 2020-11-26 2023-10-20 信阳市鸿利达安装工程有限公司 Perforating device for gas pipe installation

Also Published As

Publication number Publication date
GB8725524D0 (en) 1987-12-02
GB2196885A (en) 1988-05-11

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Legal Events

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

Effective date: 19921030