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    • 22. 发明授权
    • Apparatus for making plastic hose
    • 制造塑料软管的装置
    • US3706624A
    • 1972-12-19
    • US3706624D
    • 1969-01-21
    • GOODRICH CO B F
    • RINKER WILLIAM R
    • B29C53/60B29C53/82B29D27/00
    • B29C53/827B29C53/607
    • An apparatus for making continuous reinforced plastic hose by extruding a ribbon of heated plastic, with portions having compositions of different stiffness, winding the ribbon in a continuous helix over two spaced rotating mandrels, and uniting adjacent pitches of the helix during the winding to form a continuous tube. In one embodiment, The mandrels are mutually skewed with one mandrel being power-rotated and the other free to rotate. In that embodiment, the hose is axially advanced by the axial component of rotation of the skewed mandrels. Another embodiment provides for winding of the ribbon over parallel mandrels with the free mandrel having longitudinally sequentially reciprocating slats to axially advance the tubing.
    • 一种用于通过挤压加热塑料带的连续增强塑料软管的装置,其具有不同刚度组成的部分,将带卷绕在两个间隔开的旋转心轴上的连续螺旋中,并且在缠绕期间将螺旋的相邻间距联合在一起形成 连续管。 在一个实施例中,心轴相互偏斜,一个心轴被动力旋转,另一个心轴自由转动。 在该实施例中,通过倾斜的心轴的旋转的轴向分量使软管轴向前进。 另一个实施例提供了将带卷绕在平行的心轴上,自由心轴具有纵向顺序地往复运动的板条以轴向推进管道。