FIELD: civil engineering. SUBSTANCE: device has sectional core consisting of two equal-size rigid truncated cones with larger base at the ends, with removable flanges for fastening the bars of prestressed longitudinal and spiral reinforcement and calibrating half-rings for molding the bushing ends of protective layer, separable sliding funnels of appropriate diameters with vibration radiators for bearing and protective layers, power-operated platform in vertical guides for installation of funnel and service containers for concrete mix. EFFECT: improved design. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PRODUCING PRESTRESSED FUNNEL-FREE TUBES | 1992 |
|
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| TUBULAR ARTICLE MADE FROM PRESSED DISPERSE REINFORCED CONCRETE AND MOULDING HEAD FOR ITS MANUFACTURE | 1994 |
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| 0 |
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| METHOD OF MOULDING FERROCONCRETE PRESSURE PIPES FROM CONCRETE MIXES | 0 |
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SU908606A1 |
