GB812888A - Bore-hole closure for blasting work - Google Patents

Bore-hole closure for blasting work

Info

Publication number
GB812888A
GB812888A GB74858A GB74858A GB812888A GB 812888 A GB812888 A GB 812888A GB 74858 A GB74858 A GB 74858A GB 74858 A GB74858 A GB 74858A GB 812888 A GB812888 A GB 812888A
Authority
GB
United Kingdom
Prior art keywords
bore
hole closure
blasting work
house
tamping
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
GB74858A
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.)
HEINZ WEICHELT
STEPHEN FINK
Original Assignee
HEINZ WEICHELT
STEPHEN FINK
Filing date
Publication date
Priority to DEF24488A priority Critical patent/DE1041843B/en
Priority to FR1189439D priority patent/FR1189439A/en
Application filed by HEINZ WEICHELT, STEPHEN FINK filed Critical HEINZ WEICHELT
Publication of GB812888A publication Critical patent/GB812888A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • F42D1/18—Plugs for boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Dowels (AREA)

Abstract

812,888. Tamping plugs. FINK, S. and WEICHELT, H. Jan. 8, 1958, No. 748/58. Class 9(1) A conical plug for tamping boreholes has a conical recess 1 at the thicker end opening into an axial passage 2 which is enlarged at the thinner end of the plug to house a ball 3 whose escape is prevented by a transverse pin 4. A second through passage 5 is provided to house the firing lead.
GB74858A 1957-11-26 1958-01-08 Bore-hole closure for blasting work Expired GB812888A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEF24488A DE1041843B (en) 1957-11-26 1957-11-26 Borehole closure
FR1189439D FR1189439A (en) 1958-01-08 1958-01-02 Blast hole shutter for blasting

Publications (1)

Publication Number Publication Date
GB812888A true GB812888A (en) 1959-05-06

Family

ID=1593441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB74858A Expired GB812888A (en) 1957-11-26 1958-01-08 Bore-hole closure for blasting work

Country Status (1)

Country Link
GB (1) GB812888A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954058A (en) * 1974-05-03 1976-05-04 Barney Sanders Coal mine shooting plug
WO1997017588A1 (en) * 1995-11-03 1997-05-15 Orica Australia Pty Ltd Method and apparatus for blasthole stemming
AU722007B2 (en) * 1995-11-03 2000-07-20 Orica Explosives Technology Pty Ltd Method and apparatus for blasthole stemming

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954058A (en) * 1974-05-03 1976-05-04 Barney Sanders Coal mine shooting plug
WO1997017588A1 (en) * 1995-11-03 1997-05-15 Orica Australia Pty Ltd Method and apparatus for blasthole stemming
US5979327A (en) * 1995-11-03 1999-11-09 Orica Australia Pty Ltd Method and apparatus for blasthole stemming
AU722007B2 (en) * 1995-11-03 2000-07-20 Orica Explosives Technology Pty Ltd Method and apparatus for blasthole stemming
AU722007C (en) * 1995-11-03 2002-05-02 Orica Explosives Technology Pty Ltd Method and apparatus for blasthole stemming

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