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US 5,851,638 AGranted
Fabric for strengthening and/or reinforcing flat-shaped articles
AssigneeSynteen Gewebe Technik GmbH
InventorsBernd Lagemann, Friedrich Mathias
Life of this patent
Estimating the term…
Abstract
A fabric for strengthening flat-shaped articles consisting of warp threads and woof threads which form a basic fabric having a connected edge area which is strengthened relative to the basic fabric.
Claims9
A roofing material comprising:
- a fabric made of woof threads and warp threads which define open areas having a main area and a reinforced edge area wherein said reinforced edge area includes means for strengthening the edge area with respect to the main area wherein the reinforced edge area has a strength greater than that of the main area, the strength of the reinforced edge area being sufficient so that the roofing material passes Standard Test FM I-90, that is, a 3.8 m.times.7.5 m piece of fabric can withstand a pressure of 4.3 kPa for one minute without damage.
Dependencies are inferred from the claim text.