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)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (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
BE375512A (en)
FR708219A (en) 1931-07-21
DE573596C (en) 1933-04-03

Similar Documents

Publication Publication Date Title
GB358369A (en)
GB240718A (en) Improvements in and relating to blasting detonators and the like
GB407582A (en) Blasting detonator packages and method of forming the same
GB242834A (en) A ground anchor
GB372625A (en) Improvements in or relating to wall-plugs
GB455913A (en) Improvements relating to wall plugs
GB166494A (en) Improvements relating to tubular wall plugs made from string or like material
GB271801A (en) Improvements in devices for connecting match cords to the detonators of blasting cartridges
GB342644A (en)
USD132779S (en) Design for a rug fastener
GB486846A (en) A new or improved keyholder
GB381876A (en) Mouthpieces for tobacco pipes, cigar holders and the like
GB314218A (en) Improvements in smoking pipes
GB259004A (en) Improvements in and relating to safety devices for aeroplanes
GB223130A (en) Improvements in or relating to curtain supporting and reeving or drawing appliances
GB305107A (en) Improvements in drilling jigs
GB516321A (en) Improved shock-absorbing device for a wire rope
USD76091S (en) Baymond h
GB341699A (en) Improvements in line throwing apparatus
GB159942A (en) Improvements in or relating to pit props and the like
GB245298A (en) Improvements relating to display-busts, lay-flgures or the like
GB503791A (en) Improvements in and relating to tobacco pipes
GB477709A (en) Locking device for rope or cord
GB382005A (en) Improvements in projectiles
GB319107A (en) Improvements in pit props for use in coal or other mines