DE146615C - - Google Patents
Info
- Publication number
- DE146615C DE146615C DENDAT146615D DE146615DA DE146615C DE 146615 C DE146615 C DE 146615C DE NDAT146615 D DENDAT146615 D DE NDAT146615D DE 146615D A DE146615D A DE 146615DA DE 146615 C DE146615 C DE 146615C
- Authority
- DE
- Germany
- Prior art keywords
- tube
- flame
- friction
- friction tube
- prevent
- 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.)
- Active
Links
- 239000007789 gas Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- 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
- F42B3/10—Initiators therefor
- F42B3/117—Initiators therefor activated by friction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Bei den gebräuchlichen Zündkapseln mit Friktionszündung, mangelt oft ein geeigneter Rauchabzug. Dieser ist aber notwendig, um zu verhüten, daß die im Augenblick der Flammenbildung sich entwickelnden Gase das Hütchen gewaltsam abwerfen, so daß die Flamme noch nach außen zündend wirken könnte. Dieser Nachteil ist durch die nachfolgend beschriebene Ausführungsform vermieden, in welcher auch für größere Sicherheit des Flammenabschlusses Sorge getragen ist. Das Röhrchen (Reibungsröhrchen) b besitzt einen Kranz kleiner halbkugelförmiger Wulste e, die aus diesem herausgedrückt sind.The conventional detonators with friction ignition often lack a suitable smoke vent. This is necessary, however, to prevent the gases developing at the moment of flame formation from forcibly throwing off the cap so that the flame could ignite to the outside. This disadvantage is avoided by the embodiment described below, in which care is also taken to ensure greater safety of the flame seal. The tube (friction tube) b has a ring of small hemispherical bulges e that are pushed out of it.
Auch kann das Reibungsröhrchen b an seinem unteren Ende derart umgebördelt sein, daß die Umbördelung einen zweiten nach oben geöffneten Zylinder bildet. The friction tube b can also be beaded at its lower end in such a way that the beading forms a second cylinder which is open at the top.
Die Wirkungsweise des SicherheitszündersHow the safety detonator works
2o" ist die, daß das die Zündpille tragende Hütchen d über das die Zündschnur aufnehmende Reibungsröhrchen b geschoben und in tiefster Stellung gedreht wird, wodurch die Zündpille zur Entzündung kommt. Die entstehenden Gase können nun durch die von den Wulsten e gebildeten Zwischenräume abziehen, während die Flamme an dem Austritt nach außen gehindert ist, und zwar weil sie dem langen Wege in Verbindung mit der durch die Umbördelung von b bedingten Wegkrümmung wegen zu starker Abkühlung unmöglich folgen kann.2o 'is that the squib bearing cones d is the the fuse receiving friction tube pushed b and rotated in its lowest position, whereby the squib ignition occurs. The gases formed can deduct now by the formed by the beads e interstices, while the flame is prevented from escaping to the outside, because it cannot possibly follow the long path in connection with the path curvature caused by the flanging of b because of excessive cooling.
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
DE146615C true DE146615C (en) |
Family
ID=413869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT146615D Active DE146615C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE146615C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3264023A4 (en) * | 2015-02-25 | 2018-10-24 | Daicel Corporation | Igniter |
-
0
- DE DENDAT146615D patent/DE146615C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3264023A4 (en) * | 2015-02-25 | 2018-10-24 | Daicel Corporation | Igniter |
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