GB358369A - - Google Patents

Info

Publication number
GB358369A
GB358369A GB3791130A GB3791130A GB358369A GB 358369 A GB358369 A GB 358369A GB 3791130 A GB3791130 A GB 3791130A GB 3791130 A GB3791130 A GB 3791130A GB 358369 A GB358369 A GB 358369A
Authority
GB
United Kingdom
Prior art keywords
central hole
string
rods
blasting
pulling string
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
GB3791130A
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
Publication of GB358369A publication Critical patent/GB358369A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
    • F42D5/06—Unloading boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

358,369. Blasting tampings. VOORTMANN, W., 45, Hiittnerstrasse, Dortmund, Germany. Dec. 16, 1930, No. 37911. Convention date, March 5. [Class 9 (i). A plug 1 of wood or press-spahn intended to be placed over a blasting charge in a borehole and adapted to be pulled out therefrom in case of missfire is made with a central hole 2 for the pulling string, a lateral hole 4 for the ignition wires, and side slots 5, 6 for the attachment of flat rods 7, 8 between which a primer cartridge may be secured by an incombustible string passed through holes 9, 10 in the ends of the rods. The central hole has a conical enlargement 3 at the inner end for a knot in the pulling string.
GB3791130A 1930-03-06 1930-12-16 Expired GB358369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE573596T 1930-03-06

Publications (1)

Publication Number Publication Date
GB358369A true GB358369A (en) 1931-10-08

Family

ID=34584635

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3791130A Expired GB358369A (en) 1930-03-06 1930-12-16

Country Status (4)

Country Link
BE (1) BE375512A (en)
DE (1) DE573596C (en)
FR (1) FR708219A (en)
GB (1) GB358369A (en)

Also Published As

Publication number Publication date
FR708219A (en) 1931-07-21
DE573596C (en) 1933-04-03
BE375512A (en)

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