Fire-proof material

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...

Reexamination Certificate

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Details

C428S332000, C428S703000, C106S461000, C106S467000, C106S470000, C106S471000

Reexamination Certificate

active

07101614

ABSTRACT:
The fire-protection material for constructions made of concrete and prestressed concrete, especially for tunnels, in the form of prefabricated plates or sprayed-on and cured coatings is prepared from hydraulically curing compositions containing aluminous cement, optionally in admixture with Portland cement, fillers and, if desired, fibers, curing accelerators, curing delayers, plasticizing agents and foaming agents, wherein the cured material contains less than 5% by weight of ettringite and wherein the composition contains from 50 to 200 weight parts of aluminous cement and from 10 to 250 weight parts of xonotlite in the uncured composition.

REFERENCES:
patent: 3042536 (1962-07-01), Bishop
patent: 4101335 (1978-07-01), Barrable
patent: 4840672 (1989-06-01), Baes
patent: 19517267 (1997-01-01), None
patent: 0943590 (1999-09-01), None
patent: 2091067 (1972-01-01), None
patent: 10310477 (1998-11-01), None

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