GB452487A - Improvements in tamping means for blasting cartridges - Google Patents

Improvements in tamping means for blasting cartridges

Info

Publication number
GB452487A
GB452487A GB5872/35A GB587235A GB452487A GB 452487 A GB452487 A GB 452487A GB 5872/35 A GB5872/35 A GB 5872/35A GB 587235 A GB587235 A GB 587235A GB 452487 A GB452487 A GB 452487A
Authority
GB
United Kingdom
Prior art keywords
pressure
fluid
tamping
borehole
plunger
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
GB5872/35A
Other languages
English (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.)
SAFETY MINING CO
Original Assignee
SAFETY MINING CO
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 SAFETY MINING CO filed Critical SAFETY MINING CO
Publication of GB452487A publication Critical patent/GB452487A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
    • F42B3/06—Blasting cartridges, i.e. case and explosive for producing gas under pressure with re-utilisable case
    • 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
    • F42D1/22—Methods for holding or positioning for blasting cartridges or tamping cartridges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Earth Drilling (AREA)
GB5872/35A 1934-02-28 1935-02-23 Improvements in tamping means for blasting cartridges Expired GB452487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US713338A US2083733A (en) 1934-02-28 1934-02-28 Anchoring means

Publications (1)

Publication Number Publication Date
GB452487A true GB452487A (en) 1936-08-24

Family

ID=24865747

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5872/35A Expired GB452487A (en) 1934-02-28 1935-02-23 Improvements in tamping means for blasting cartridges

Country Status (3)

Country Link
US (1) US2083733A (fr)
FR (1) FR786577A (fr)
GB (1) GB452487A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428884A (en) * 1942-04-17 1947-10-14 Hercules Powder Co Ltd Electric blasting cap
DE1036789B (de) * 1954-09-24 1958-08-21 Ici Ltd Gasdrucksprengvorrichtung fuer Kohle u. dgl. mit durch einen Verschlusskolben gesteuerten Gasauslassoeffnungen

Also Published As

Publication number Publication date
FR786577A (fr) 1935-09-05
US2083733A (en) 1937-06-15

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