METHOD FOR STRENGTHENING A POLYETHYLENE TUBULAR MEMBER
A method for strengthening a polyethylene tubular member. The polyethylene tubular member has an outer surface, a circumference, a wall thickness, and an area to be strengthened and the outer surface of the polyethylene tubular member contains polyethylene. The method contains the step of wrapping a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A method for strengthening a polyethylene tubular member. The polyethylene tubular member has an outer surface, a circumference, a wall thickness, and an area to be strengthened and the outer surface of the polyethylene tubular member contains polyethylene. The method contains the step of wrapping a fabric layer around the circumference of the tubular member at least two full rotations and covering the area to be strengthened. The fabric layer contains a plurality of interwoven tape elements with a base layer of a strain oriented olefin polymer disposed between covering layers of a heat fusible olefin polymer. The method also contains the step of applying heat and optionally pressure to the fabric layer bonding the tape elements of the fabric layer together and bonding the tape elements and the tubular member together. |
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