GB8505554D0 - Rock hammer - Google Patents

Rock hammer

Info

Publication number
GB8505554D0
GB8505554D0 GB858505554A GB8505554A GB8505554D0 GB 8505554 D0 GB8505554 D0 GB 8505554D0 GB 858505554 A GB858505554 A GB 858505554A GB 8505554 A GB8505554 A GB 8505554A GB 8505554 D0 GB8505554 D0 GB 8505554D0
Authority
GB
United Kingdom
Prior art keywords
rock hammer
hammer
rock
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.)
Granted
Application number
GB858505554A
Other versions
GB2172030B (en
GB2172030A (en
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.)
KOSHUN KAIHATSU KK
Original Assignee
KOSHUN KAIHATSU KK
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 KOSHUN KAIHATSU KK filed Critical KOSHUN KAIHATSU KK
Priority to GB08505554A priority Critical patent/GB2172030B/en
Publication of GB8505554D0 publication Critical patent/GB8505554D0/en
Publication of GB2172030A publication Critical patent/GB2172030A/en
Application granted granted Critical
Publication of GB2172030B publication Critical patent/GB2172030B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/02—Percussive tool bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Earth Drilling (AREA)
GB08505554A 1985-03-05 1985-03-05 Rock hammer for underwater use Expired GB2172030B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08505554A GB2172030B (en) 1985-03-05 1985-03-05 Rock hammer for underwater use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08505554A GB2172030B (en) 1985-03-05 1985-03-05 Rock hammer for underwater use

Publications (3)

Publication Number Publication Date
GB8505554D0 true GB8505554D0 (en) 1985-04-03
GB2172030A GB2172030A (en) 1986-09-10
GB2172030B GB2172030B (en) 1988-03-16

Family

ID=10575415

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08505554A Expired GB2172030B (en) 1985-03-05 1985-03-05 Rock hammer for underwater use

Country Status (1)

Country Link
GB (1) GB2172030B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312664B1 (en) 1993-05-20 2001-11-06 The Regents Of The University Of California Biodegradable contrast media for MR imaging

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH670418A5 (en) * 1986-03-24 1989-06-15 Zepf Hans Rudolf
IE990399A1 (en) * 1999-05-18 2001-03-21 Thomas Gerard Murray "A Digging Tool"
KR100465008B1 (en) 2004-03-05 2005-01-13 강대우 Crushing method using large boreholes in underwater rock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312664B1 (en) 1993-05-20 2001-11-06 The Regents Of The University Of California Biodegradable contrast media for MR imaging

Also Published As

Publication number Publication date
GB2172030B (en) 1988-03-16
GB2172030A (en) 1986-09-10

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Legal Events

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

Effective date: 19990305