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2016
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Invention
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A strip assembly helically windable to form a pipe.
A strip assembly helically windable to form ... |
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Invention
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A strip assembly helically windable to form a pipe. A strip assembly helically windable to form a... |
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Invention
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Locking means and method of producing strip windable into a pipe. A strip helically windable to f... |
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2014
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Invention
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A winding and welding machine. A winding and welding machine tor lining an underground conduit wi... |
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2013
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Invention
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A winding machine and winding cage for a helically wound pipe. A winding cage for winding a helic... |
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Invention
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A winding machine and winding cage for a helically wound pipe. A winding cage, for winding a heli... |
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P/S
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Pipes and tubing in this class; profile strips of plastics
material for producing tubular liners... |
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P/S
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Flexible pipes of PVC or polyethylene; non-metallic flexible pipes; tubing consisting of plastic ... |
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2012
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Invention
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A method and apparatus for pre-heating a plastic strip to facilitate plastic welding at a locatio... |
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2011
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Invention
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Method for stabilizing strip during winding. A method is disclosed for winding a composite strip ... |
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2007
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Invention
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Composite reinforced strip windable to form a helical pipe and method therefor. A composite strip... |
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Invention
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Method and apparatus for stabilizing strip during winding. A spool winding assembly for winding a... |
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Invention
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Method and apparatus for stabilising strip during winding. A spool winding assembly for winding a... |
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2006
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Invention
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Underground and partly submerged pipe winding apparatus and method. An apparatus and method for l... |
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Invention
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Composite strip windable to form a helical pipe and method therefor. A composite strip 10 windabl... |
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2003
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Invention
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Hydraulic control arrangement for a pipe relining machine. An hydraulic control arrangement (66) ... |
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P/S
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Pipes and tubing in this class; profile strips of plastics material for producing tubular liners ... |
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Invention
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Composite strip windable to form a helical pipe and method thereof. A composite strip (10) windab... |
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2001
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Invention
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Method and apparatus for winding a helical pipe from its inside. A machine (200) for winding a st... |
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2000
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P/S
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PLASTIC PIPES FOR PLUMBING PURPOSES; PLASTIC IN STRIP FORM FOR USE IN FURTHER MANUFACTURE OF PLAS... |
