Timed pyric chain apparatus, in particular for the ignition...

Details Timed pyric chain apparatus, in particular for the ignition... Timed pyric chain apparatus, in particular for the ignition...

2006-09-05

2006-09-05

Clement, Michelle (Department: 3641)

Ammunition and explosives

Igniting devices and systems

Holders for fuse or fuse cord to blasting cartridge,...

C102S275100, C102S276000, C102S275700

Reexamination Certificate

active

07100512

ABSTRACT:
A timed pyric chain apparatus, particularly for the ignition of pyrotechnical fireworks includes a main conduit (2) for a retard fuse (16) the main conduit (2) having lateral branch conduits (5). The apparatus consists of coupled modular elements, each modular element having a fuse holder (1) including a main conduit (2) in which a retard fuse (16) is to be placed. The main conduit is divided into a first portion (4), the cross section of the first portion (3) being smaller than the cross section of the second portion (4), the fuse holder further including a lateral branch conduit (5) for receiving a wick (17) retainer (11) for a part of its length. The wick is provided with a fire passing sheath (18), the coupling of a first fuse holder (1) to a second fuse holder (1′) resulting from the introduction of the first portion (3) of the first fuse holder (1) in a second portion (4′) of the second fuse holder (1′).

REFERENCES:
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patent: 4314508 (1982-02-01), Love
patent: 6499405 (2002-12-01), Ambrico
patent: 6655289 (2003-12-01), Bornheim et al.
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patent: 2 040 025 (1980-08-01), None
patent: WO 99/20975 (1999-04-01), None

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