Method of the Manufacture of Thin-Walled Reinforced-Cement Pipes,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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The patent describes a method for the manufacture of thin-walled reinforced-cement pipes by stacking onto a flexible bottom plate of a mesh reinforcement and cement-sand layer, the compacting of it by vibration, hardening and subsequent winding onto a core. The reinforced-cement layer with winding onto the core is subjected simultaneously to the action of vibration and pressing.
- Pumps, Filters, Pipes, Tubing, Fittings and Valves