GB278739A - Improvements in or relating to explosive mines - Google Patents

Improvements in or relating to explosive mines

Info

Publication number
GB278739A
GB278739A GB26578/27A GB2657827A GB278739A GB 278739 A GB278739 A GB 278739A GB 26578/27 A GB26578/27 A GB 26578/27A GB 2657827 A GB2657827 A GB 2657827A GB 278739 A GB278739 A GB 278739A
Authority
GB
United Kingdom
Prior art keywords
mines
spring
cable
ship
firing pin
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
GB26578/27A
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.)
Nuovo Pignone Holding SpA
Original Assignee
Pignone Officine Meccanique e Fonderia SpA
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 Pignone Officine Meccanique e Fonderia SpA filed Critical Pignone Officine Meccanique e Fonderia SpA
Publication of GB278739A publication Critical patent/GB278739A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C14/00—Mechanical fuzes characterised by the ammunition class or type
    • F42C14/04—Mechanical fuzes characterised by the ammunition class or type for torpedoes, marine mines or depth charges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B22/00—Marine mines, e.g. launched by surface vessels or submarines
    • F42B22/24—Arrangement of mines in fields or barriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/28—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids
    • F42C15/295—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids operated by a turbine or a propeller; Mounting means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Control Devices (AREA)

Abstract

278,739. Soc. Anon. Fonderia del Pignone. Oct. 8, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Mines, marine. - Relates to mines connected in pairs by a horizontal cable which when encountered by a passing ship causes the mines to swing in and explode against the ship. According to the invention, the explosion is brought about a given time after the ship encounters the cable, determined by a dashpot or a screw propeller. As shown in Fig. 7, the mines c, d are connected together by a cable b attached to spring plungers 17, 17<1> intended to close switches 16, 16<1> when the mines are laid to set towing propellers in action. Each mine is provided with a small screw propeller 7 on a screw spindle 8 in engagement with a sliding nut 10 carrying a firing pin 11. When a passing ship drags the cable b, the propeller 7 is caused to rotate and draws the nut 10 against a spring 12, until the nut reaches the point 14, when it is freed from the spindle 8 and is thrust by the spring 12 against a percussion cap 15. In a modification, Fig. 5, the cable connecting the mines is attached to a bolt t connected to a dashpot piston k and to a firing pin u. After a given travel of the dashpot piston k, a joint s is freed, and the firing pin is thrust against the percussion cap v by a spring m. Projections x, w constitute the switch which is closed when the mines are laid, or a switch controlled by a separate spring is provided for this purpose. In other modifications, the firing is performed by the closing of the circuit of an electric igniter.
GB26578/27A 1926-10-08 1927-10-07 Improvements in or relating to explosive mines Expired GB278739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT278739X 1926-10-08

Publications (1)

Publication Number Publication Date
GB278739A true GB278739A (en) 1927-10-26

Family

ID=11222506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26578/27A Expired GB278739A (en) 1926-10-08 1927-10-07 Improvements in or relating to explosive mines

Country Status (2)

Country Link
FR (1) FR648854A (en)
GB (1) GB278739A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084627A (en) * 1960-12-15 1963-04-09 Carl H Holm Underwater launched surface mine
GB2515565A (en) * 2013-06-28 2014-12-31 Ian Holmes Improvements to submarine guidance system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084627A (en) * 1960-12-15 1963-04-09 Carl H Holm Underwater launched surface mine
GB2515565A (en) * 2013-06-28 2014-12-31 Ian Holmes Improvements to submarine guidance system

Also Published As

Publication number Publication date
FR648854A (en) 1928-12-14

Similar Documents

Publication Publication Date Title
US1795972A (en) Charging device for electrical fuses
GB1021249A (en) A relay for rocket weapons
GB467515A (en) Improvements in or relating to explosion rivets
GB278739A (en) Improvements in or relating to explosive mines
US2967506A (en) Anti-torpedo system
GB874332A (en) Improvements in safety electric primers for mines
US2338322A (en) Torpedo
DE18801C (en) Innovations in torpedoes with safety devices against accidental explosion
US2682223A (en) Timing mechanism
DE916275C (en) Electric cord lighter
DE514567C (en) Device for securing electrical igniters against stray currents
GB128703A (en) Improvements in or relating to Submarine Mines.
AT201488B (en) Electric safety igniter for mines
DE844557C (en) Projectile with shaped charge
GB223576A (en) Improvements in and relating to discharging bombs
GB162694A (en) An improved method of and means for reconnoitring from aircraft at night
DE17771C (en) Innovations to torpedoes with a substance ignition device
GB600555A (en) Improvements in or relating to aerial bombs
DE1025037B (en) Pull protection for cables in an explosion-proof connector
SU152191A1 (en) Device for signaling overheating of the engine bearing
GB145557A (en)
DE415221C (en) Procedure for securing electrical igniters
GB126410A (en) Improvements in or relating to the Firing of Explosive Mines and the like.
SU142173A1 (en) Electric detonator protected from premature trips from stray currents
GB362383A (en) Improvements in or relating to explosive mines