ZA935472B - Apparatus for retaining a device - Google Patents

Apparatus for retaining a device

Info

Publication number
ZA935472B
ZA935472B ZA935472A ZA935472A ZA935472B ZA 935472 B ZA935472 B ZA 935472B ZA 935472 A ZA935472 A ZA 935472A ZA 935472 A ZA935472 A ZA 935472A ZA 935472 B ZA935472 B ZA 935472B
Authority
ZA
South Africa
Prior art keywords
retaining
Prior art date
Application number
ZA935472A
Inventor
George Henry Webb
Original Assignee
George Henry Webb
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 George Henry Webb filed Critical George Henry Webb
Publication of ZA935472B publication Critical patent/ZA935472B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/14—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed air; by gas blast; by gasifying liquids
ZA935472A 1992-07-31 1993-07-29 Apparatus for retaining a device ZA935472B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929216355A GB9216355D0 (en) 1992-07-31 1992-07-31 An improved method of restraining a rock-breaking tube

Publications (1)

Publication Number Publication Date
ZA935472B true ZA935472B (en) 1994-02-23

Family

ID=10719650

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA935472A ZA935472B (en) 1992-07-31 1993-07-29 Apparatus for retaining a device

Country Status (5)

Country Link
CN (1) CN1090234A (en)
AU (1) AU4718993A (en)
GB (1) GB9216355D0 (en)
WO (1) WO1994003707A1 (en)
ZA (1) ZA935472B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9410896D0 (en) * 1994-05-31 1994-07-20 Webb George H An improved device for retaining a coal or rock-breaking mechanism
GB9600707D0 (en) * 1996-01-13 1996-03-13 Long Airdox Cardox Ltd Apparatus for retaining a material breaking device
AU729961B2 (en) 1996-09-06 2001-02-15 Alan Colin Mcgowan Blasting device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1514058A (en) * 1924-07-29 1924-11-04 Linnemann Adolf Mechanical coal and rock mining machine
US2253115A (en) * 1934-02-05 1941-08-19 Cardox Corp Mechanical gas pressure device

Also Published As

Publication number Publication date
GB9216355D0 (en) 1992-09-16
CN1090234A (en) 1994-08-03
AU4718993A (en) 1994-03-03
WO1994003707A1 (en) 1994-02-17

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