| 摘要 |
FIELD: machine building. ^ SUBSTANCE: when the method is being implemented, fibrous material with binding agent is wound on mandrel with formation of four-sided through channels in a wall and location of their diagonals on helical line(s); after that, fibrous material with binding agent is wound along diagonals of four-sided through channels with formation of three-sided through channels from them, and polymerisation is performed. ^ EFFECT: improving reliability of the pipe manufacturing method. ^ 3 dwg |
