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GB2177328B - An improved drill for pearl or the like - Google Patents

An improved drill for pearl or the like

Info

Publication number
GB2177328B
GB2177328B GB08516785A GB8516785A GB2177328B GB 2177328 B GB2177328 B GB 2177328B GB 08516785 A GB08516785 A GB 08516785A GB 8516785 A GB8516785 A GB 8516785A GB 2177328 B GB2177328 B GB 2177328B
Authority
GB
United Kingdom
Prior art keywords
pearl
improved drill
drill
improved
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
GB08516785A
Other versions
GB2177328A (en
GB8516785D0 (en
Inventor
Ching-Yieh Hsu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB08516785A priority Critical patent/GB2177328B/en
Publication of GB8516785D0 publication Critical patent/GB8516785D0/en
Publication of GB2177328A publication Critical patent/GB2177328A/en
Application granted granted Critical
Publication of GB2177328B publication Critical patent/GB2177328B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B23B39/22—Drilling machines with a plurality of working-spindles; Drilling automatons with working-spindles in opposite headstocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
GB08516785A 1985-07-02 1985-07-02 An improved drill for pearl or the like Expired GB2177328B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08516785A GB2177328B (en) 1985-07-02 1985-07-02 An improved drill for pearl or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08516785A GB2177328B (en) 1985-07-02 1985-07-02 An improved drill for pearl or the like

Publications (3)

Publication Number Publication Date
GB8516785D0 GB8516785D0 (en) 1985-08-07
GB2177328A GB2177328A (en) 1987-01-21
GB2177328B true GB2177328B (en) 1988-07-06

Family

ID=10581700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08516785A Expired GB2177328B (en) 1985-07-02 1985-07-02 An improved drill for pearl or the like

Country Status (1)

Country Link
GB (1) GB2177328B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103692484B (en) * 2013-12-16 2015-11-11 浙江大学 Pearl puncher
CN103862509B (en) * 2014-03-24 2015-02-25 诸暨市汉宇科技有限公司 Automatic pearl punching machine
CN104441269B (en) * 2014-11-19 2016-01-06 浙江大学 A kind of pearl automatic drilling device of turning

Also Published As

Publication number Publication date
GB2177328A (en) 1987-01-21
GB8516785D0 (en) 1985-08-07

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Legal Events

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