FIRE-RETARDANT FILTER MEDIUM AND AIR FILTER UNIT

A fire-retardant, gas-permeable base material is provided at least on one surface of a porous film of polytetrafluoroethylene (PTFE) to provide a filter medium, which is usable for ceiling materials and has an excellent flame resistance, and an air filter unit using the filter medium.

Saved in:
Bibliographic Details
Main Authors INOUE, OSAMU, ASANO, JUN, URAOKA, NOBUKI, CHAEN, SHINICHI, HARA, SATOSHI, KUSUMI, TOSHIO, HIRANO, SEIICHI
Format Patent
LanguageEnglish
French
Published 19.02.1998
Edition6
Subjects
BUILDING
CEILINGS
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
INSULATION OR OTHER PROTECTION OF BUILDINGS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
ROOFS
SEPARATION
TRANSPORTING
WALLS, e.g. PARTITIONS
Online AccessGet full text

Cover

More Information
Summary:A fire-retardant, gas-permeable base material is provided at least on one surface of a porous film of polytetrafluoroethylene (PTFE) to provide a filter medium, which is usable for ceiling materials and has an excellent flame resistance, and an air filter unit using the filter medium.
Bibliography:Application Number: CA19972262821