METHOD OF PRODUCING FLEXIBLE HEAT-INSULATING SHEET PRODUCT AND CORRESPONDING DEVICE Russian patent published in 2016 - IPC A62C8/06 B32B37/08 B32B7/08 B32B33/00 

FIELD: fire safety.

SUBSTANCE: invention relates to fire-fighting materials and a method of producing flexible heat-insulating sheet product and corresponding device. Method comprises: attaching a first sheet of insulating material to a first cover sheet through crosslinking using first suture to form a first portion of sheet product having a perimeter; attaching a second sheet of insulating material to second cover sheet through crosslinking using first suture to form a second portion of sheet product having a perimeter; attaching said first portion of sheet product to a second portion of sheet product, at least in region of their perimeters, and with a plurality of point stitches between them, wherein said point stitches are composed of second suture, so that said first sheet of insulating material is adjacent to second sheet of insulating material, wherein first and second portions of sheet product are combined to produce a sheet product.

EFFECT: invention provides of fire-protective material with improved resistance to burn, which does not produce toxic vapour under effect of heat and open flame.

12 cl, 2 dwg