PIPE LINE
FIELD: manufacture of thermoplastic pipes. ^ SUBSTANCE: proposed pipe line includes pipes with thermoplastic and reinforcing layers, sleeves and tenon joints. Tenon joints are wedge-shaped in form; one side of wedge adjoins bead of wall of pipe recess and other side adjoins wall of sleeve slot. ^ EF...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: manufacture of thermoplastic pipes. ^ SUBSTANCE: proposed pipe line includes pipes with thermoplastic and reinforcing layers, sleeves and tenon joints. Tenon joints are wedge-shaped in form; one side of wedge adjoins bead of wall of pipe recess and other side adjoins wall of sleeve slot. ^ EFFECT: enhanced reliability. ^ 2 dwg |
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