Stock material or miscellaneous articles – Structurally defined web or sheet – Honeycomb-like
Reexamination Certificate
2005-02-15
2005-02-15
Stein, Stephen (Department: 1775)
Stock material or miscellaneous articles
Structurally defined web or sheet
Honeycomb-like
C428S073000, C428S920000, C428S923000, C156S306900, C156S307700
Reexamination Certificate
active
06855393
ABSTRACT:
A fire barrier panel of the kind suitable for lining car decks and engine rooms of high speed aluminum ferries is described. The panel (10) includes a relatively thin layer of inorganic insulating material (12) adhered to a lightweight support structure (14). The layer of inorganic insulating material may be an intumescent material made from mineral fibers. The decribed lightweight support structure (14) is a honeycomb panel having a honeycomb core (18) of non-combustible aluminum foil provided with two face skins made of glass reinforced plastics resin material (16). This construction of the honeycomb panel (14) is lightweight and has high stiffness and rigidity suitable for stiffening and supporting the insulating material into a rigid panel. The layer of intumescent material (12) supported on the panel expands when exposed to high temperatures to form a thick fire insulating barrier panel. Because the panels are self-supporting, and therefore support structures, installation costs are much lower than for prior art fire insulation systems.
REFERENCES:
patent: 4299872 (1981-11-01), Miguel et al.
patent: 4530877 (1985-07-01), Hadley
patent: 4973506 (1990-11-01), Bauer et al.
patent: 1957676 (1978-05-01), None
patent: 56-164059 (1981-12-01), None
patent: 3-206237 (1991-09-01), None
patent: WO 9624489 (1996-08-01), None
International Search Report Dated Aug. 18, 2000.
Ashmere Holdings Pty Ltd.
Ostrolenk Faber Gerb & Soffen, LLP
Stein Stephen
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