ZA775348B - Improvements in or relating to yieldable mine roof supports - Google Patents

Improvements in or relating to yieldable mine roof supports

Info

Publication number: ZA775348B
Authority: ZA; South Africa
Prior art keywords: relating; mine roof; roof supports; yieldable mine; yieldable
Prior art date: 1977-09-06

Application number

ZA00775348A

Inventor

L Herron

Original Assignee

Atlas Copco Ab

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.)

1977-09-06

Filing date

1977-09-06

Publication date

1979-05-30

1977-09-06 Application filed by Atlas Copco Ab filed Critical Atlas Copco Ab

1977-09-06 Priority to ZA00775348A priority Critical patent/ZA775348B/en

1979-05-30 Publication of ZA775348B publication Critical patent/ZA775348B/en

Links

ZA00775348A 1977-09-06 1977-09-06 Improvements in or relating to yieldable mine roof supports ZA775348B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
ZA00775348A ZA775348B (en)	1977-09-06	1977-09-06	Improvements in or relating to yieldable mine roof supports

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ZA00775348A ZA775348B (en)	1977-09-06	1977-09-06	Improvements in or relating to yieldable mine roof supports

Publications (1)

Publication Number	Publication Date
ZA775348B true ZA775348B (en)	1979-05-30

Family

ID=25571995

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00775348A ZA775348B (en)	1977-09-06	1977-09-06	Improvements in or relating to yieldable mine roof supports

Country Status (1)

Country	Link
ZA (1)	ZA775348B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9347316B2 (en)	2012-08-30	2016-05-24	Burrell Mining Products, Inc.	Telescopic mine roof support
US9611738B2 (en)	2014-08-27	2017-04-04	Burrell Mining Products, Inc.	Ventilated mine roof support
US9903203B2 (en)	2014-08-27	2018-02-27	Burrell Mining Products, Inc.	Ventilated mine roof support

1977
- 1977-09-06 ZA ZA00775348A patent/ZA775348B/en unknown

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9347316B2 (en)	2012-08-30	2016-05-24	Burrell Mining Products, Inc.	Telescopic mine roof support
US9611738B2 (en)	2014-08-27	2017-04-04	Burrell Mining Products, Inc.	Ventilated mine roof support
US9903203B2 (en)	2014-08-27	2018-02-27	Burrell Mining Products, Inc.	Ventilated mine roof support

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