Sealing bead for use at high temperatures
OwnerWilli Cremeriusinventor
Life of this patent
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Abstract
A sealing bead for use in sealing gaps in installations and machines which are intended to be operated at high temperatures, the sealing bead comprising a plurality of folded strips of paper which are twisted together to form a helical bundle of strips, the bundle being bound together by a helical thread with the helix formed by the thread being pitched less steeply than the helix formed by each of the strips.
Claims5
A sealing bead for sealing gaps in installations and machines which are operated at high temperatures, characterized in that the bead comprises a plurality of folded strips of paper consisting of from 60 to 80% of crimped paper and from 20 to 40% of tissue paper which is free of wood pulp, each of the paper strips having a surface/weight ratio not exceeding 30 grams per square meter, the strips of paper being twisted together to form a generally helically arranged bundle of strips which are bound together by a helical thread of unwaxed hemp with a thickness of about 0.3 mm, the helix formed by the thread being pitched less steeply than the helix formed by each of the strips.
Dependencies are inferred from the claim text.