Pipe belling apparatus and method
An improved pipe belling apparatus and method are shown in which a spiral strip of thermoplastic material is extruded and wrapped spirally about a mandrel and integral gasket. The heated material is allowed to cool and the connection thus formed is stripped from the mandrel. The gasket is retained w...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
20.09.2005
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| Online Access | Get full text |
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| Summary: | An improved pipe belling apparatus and method are shown in which a spiral strip of thermoplastic material is extruded and wrapped spirally about a mandrel and integral gasket. The heated material is allowed to cool and the connection thus formed is stripped from the mandrel. The gasket is retained within a groove which is simultaneously formed of the thermoplastic extrusion. |
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