AU4227489A - Improvements in pneumatic percussion hammers - Google Patents

Improvements in pneumatic percussion hammers

Info

Publication number
AU4227489A
AU4227489A AU42274/89A AU4227489A AU4227489A AU 4227489 A AU4227489 A AU 4227489A AU 42274/89 A AU42274/89 A AU 42274/89A AU 4227489 A AU4227489 A AU 4227489A AU 4227489 A AU4227489 A AU 4227489A
Authority
AU
Australia
Prior art keywords
pneumatic percussion
percussion hammers
hammers
pneumatic
percussion
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
AU42274/89A
Other versions
AU623434B2 (en
Inventor
William Lister
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 AU42274/89A priority Critical patent/AU623434B2/en
Publication of AU4227489A publication Critical patent/AU4227489A/en
Application granted granted Critical
Publication of AU623434B2 publication Critical patent/AU623434B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU42274/89A 1988-09-22 1989-09-14 Improvements in pneumatic percussion hammers Ceased AU623434B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU42274/89A AU623434B2 (en) 1988-09-22 1989-09-14 Improvements in pneumatic percussion hammers

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPJ0549 1988-09-22
AUPJ054988 1988-09-22
AU42274/89A AU623434B2 (en) 1988-09-22 1989-09-14 Improvements in pneumatic percussion hammers

Publications (2)

Publication Number Publication Date
AU4227489A true AU4227489A (en) 1990-04-18
AU623434B2 AU623434B2 (en) 1992-05-14

Family

ID=25625920

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42274/89A Ceased AU623434B2 (en) 1988-09-22 1989-09-14 Improvements in pneumatic percussion hammers

Country Status (1)

Country Link
AU (1) AU623434B2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8514505D0 (en) * 1985-06-07 1985-07-10 Weaver & Hurt Ltd Rock drills
ZA878007B (en) * 1986-10-24 1988-04-29 Lister William A pneumatic percussion hammer

Also Published As

Publication number Publication date
AU623434B2 (en) 1992-05-14

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