Fire extinguishers – Apparatus which isolates flames from non-burning area
Reexamination Certificate
2005-12-27
2005-12-27
Hwu, Davis (Department: 3752)
Fire extinguishers
Apparatus which isolates flames from non-burning area
C169S049000, C169S045000, C169S046000
Reexamination Certificate
active
06978845
ABSTRACT:
In a flame barrier arrangement (1), having at least two flame barrier elements (2) which are arranged one behind the other in the direction of flow of a combustible gas and have a multiplicity of gaps for extinguishing a flame impinging on the surface of a flame filter element (2), and having at least one spacer element (5) between flame fattier elements (2), in order to produce a space between adjacent flame barrier elements (2) one spacer element (5) is securely joined, at least at certain points, to the surface of an associated flame barrier element (2).
REFERENCES:
patent: 5402603 (1995-04-01), Henley
patent: 5415233 (1995-05-01), Roussakis et al.
patent: 5816333 (1998-10-01), Audic et al.
patent: 5974750 (1999-11-01), Landin et al.
Hwu Davis
Leinemann GmbH & Co.
Whitham Curtis & Christofferson, P.C.
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