Safety Fuse

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safety fuse

[′sāf·tē ‚fyüz]
(engineering)
A train of black powder which is enclosed in cotton, jute yarn, and waterproofing compounds, and which burns at the rate of 2 feet (60 centimeters) per minute; it is used mainly for small-scale blasting.

Safety Fuse

 

(also Bickford fuse, blasting fuse), a fuse that transmits a heat pulse in the form of a cluster of sparks to a detonator, or blasting cap, within an exactly specified time interval. The safety fuse is covered by waterproof mastic and consists of a lightly compacted core of gunpowder grains—the powder train—that is surrounded by two layers of braided material. In the USSR, safety fuses are manufactured under the trademarks OSh-DA and OShP for underwater operations and OSh A for dry and damp operations. They range from 5 to 6 mm in diameter and burn at a rate of 10 mm per sec.

safety fuse

A flexible cord containing an internal burning medium by which fire is conveyed at a continuous and uniform rate for the purpose of firing blasting caps.
References in periodicals archive ?
And you didn't put in a safety fuse. What would you expect but to heat up and smoke that tiny wire?
The contract includes - Provision for qualification and security accreditation,- Technical support for state testing,- Employment training- Provision of safety fuses. This contract project is subject to the negotiated procurement procedure with prior publication and competitive tendering in accordance with Articles 201-s 1, 34, 243 and 244 of the Public Procurement Code,Pursuant to Article 248 of the Public Procurement Code, the market may have one or more tranche Conditional in the manner which will be explained in the record of the consultation.
They had further claimed that officials had recovered 25 kilogrammes of explosive devices, safety fuses, detonators and detonation cords from their possession.
CTD also recovered explosive material, detonators, safety fuses and other material from them.
The CTD recovered 2kg explosives, two meter safety fuses, non-electric detonators, and ball bearings.
During the operation, two terrorists including Noor Syed and Khanamullah were arrested.Four rockets, artillery shells, dynamite, safety fuses and other material used in terrorist activities were recovered.
The CTD team recovered a Klashnikov with bullets, two pistols, 4 kg explosives, seven detonators, 6 meter safety fuses from their possession.
ISLAMABAD -- Police have held a suspect on Monday in Faizabad and seized 492 detonators, 196 explosive sticks and 300metre safety fuses in his possession at a time when protesters belonging to rightist movements have camped in the area.
Eleven rocket shells, 600 other shells, a battery, five magazines of Kalashnikovs, 25-kilograms of chemical fertilisers containing ammonium nitrate, 11 rifle guns, nine grenades, 11 safety fuses, two Walki Talkies, an anti-tank mine, and two bundles of electric wire were recovered from the houses of Mohammad and Mullah Obaidullah, the statement claimed.
The spokesman said explosives, detonators and safety fuses were also recovered from their custody.
Police also recovered Anti Pakistan literature of JSMM, explosive material, Safety Fuses and ball bearings from the possession of the terrorists.
More importantly the report noted that 'seven Indian companies manufactured most of the detonators, detonating cord, and safety fuses documented by CAR's field investigation teams.