| 摘要 |
A process is provided for the manufacturing of a hollow rotating body which process comprises mounting at least two wheels in a parallel fashion upon a shaft, placing a plurality of strips of glass fiber fabric along the outer circumference of the wheels, whereby an enveloping cylinder is formed, impregnating the strips with plastics or synthetic resins capable of subsequent setting, setting, applying helically layers of impregnated fiber strips tangentially to the cylinder mantle whereby the size of the walls increase, applying a reinforcing belt of wire or tape, applying a finishing coat of plastic or synthetic resin, whereby surface irregularities are smoothed, setting, and mechanically treating the surface to remove irregularities. An apparatus for accomplishing this process is disclosed.
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