Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1982-07-12
1986-04-29
Thomas, Alexander S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428264, 428265, 428268, 428272, 428273, 428274, 428275, 428325, 428494, 428500, 428921, 174121A, 106 1811, 106 1827, 106 1836, B32B 700, B32B 904, B32B 516
Patent
active
RE0321311
ABSTRACT:
A fire protective tape using a halogen-free mastic coating on a fabric support is provided, the essential components of the mastic being solids including a low fusing ceramic frit, hydrated solids having chemically bonded water which is released as a fire protective water vapor when heated, solids which expand or intumesce during the same heat application to form a porous, expanded or foamy insulating body, solids which have a fire break effect, such as antimony oxide and zinc tetraborate, and binder solids which are thermoplastic resins and serve to bind the solids into a flexible coating when applied, the binder solids being dispersed as an emulsion in water and mixed with the other solids to form a mastic. With further addition of water the mastic is converted to a selected viscosity for application by troweling, coating or spraying. The mastic is applied as a coating upon the sheet-like carrier, which may be wound as a tape upon single or grouped electric power and control cables to restrict fire propagation and to prevent self ignition of cables from fires due to overloading or other electrical faults, or from oil, waste or trash fire sources, thereby minimizing the danger of self ignition of gases or combustible materials such as other cable jacketing, insulation or other flammable materials.
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Abbruzzese Salvatore J.
Rodrick Robert M.
Thomas Alexander S.
Thomas & Betts Corporation
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