Seal for splicing thread in fluid lines, tubular links or similar, which has an annular groove in the splice thread and a plastic seal ring embedded in said groove, characterized by the fact that the annular groove in its the base is provided, in the known manner, with knurling and by the fact that the sealing ring is made of a temperature-resistant material, reinforced with glass fibers with high cold-flow properties and is endowed with less at the leading edge in the direction of the threading, of a bevel projecting from that annular groove. (Machine-translation by Google Translate, not legally binding)
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