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US 5,258,216 AGranted
Sheet-like structures capable of intumescence, their production
AssigneeBayer Aktiengesellschaft
InventorsWulf von Bonin, Ulrich von Gizycki
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Abstract
New sheet-like structures which are capable of intumescence contain a layer of granular intumescence material between two textile sheet-like structures which are stitched or sewn to one another.
Claims1
A flexible sheet-like structure comprising
- a) a first textile sheet,
- b) a layer of expandable graphite on said first sheet,
- c) a second textile sheet on said layer of expandable graphite, and
- d) stitching extending from said first to said second sheet, thereby locking the layer of expandable graphite into the structure.
1 more element
Dependencies are inferred from the claim text.