FIELD: machine building.
SUBSTANCE: at least, one hole is made in pipe wall nearby the joint to extend through wall from non-conducting layer to conducting layer. Said hole is filled with conducting material to make conducting bridge from conducting layer through non-conducting layer to its outer part to earth conducting layer.
EFFECT: earthing without changing sizes nor rates pressure.
11 cl, 3 dwg
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| PLASTICS BARREL AND METHOD FOR MAKING IT | 2003 |
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RU2258003C2 |
| FACILITY AND PROCEDURE FOR APPLICATION OF COATING ON PADDING | 2006 |
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| MULTICOMPONENT PIPE DESIGN | 2019 |
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RU2715807C1 |
