Washing apparatus for pipelines

Claim 1

WASHING APPARATUS FOR A PIPELINE, WHICH COMPRISES A TRANSPORTABLE HOUSING HAVING TWO CONTAINERS, ONE OF WASHING LIQUID AND THE OTHER FOR FLUSHING LIQUID, A CONNECTION FOR SUPPLYING WATER TO EACH CONTAINER, A FLOAT VALVE IN EACH CONTAINER FOR CONTROLLING ITS WATER CONNECTION, A THERMOSTATICALLY-CONTROLLED ELECTRIC HEATING ELEMENT IN THE WASHING LIQUID CONTAINER, THE HOUSING ALSO HAVING A FIRST PIPE ADAPTED FOR CONNECTION TO ONE END OF SAID PIPELINE AND A SECOND PIPE ADAPTED FOR CONNECTION TO THE OPPOSITE END OF SAID PIPELINE, AN OUTLET CONNECTION FROM EACH CONTAINER TO SAID FIRST PIPE, AN OUTLET VALVE IN EACH OUTLET CONNECTION, AN INLET CONNECTION FROM SAID SECOND PIPE TO THE WASHING LIQUID CONTAINER, AN INLET VALVE IN SAID INLET CONNECTION, A DISCHARGE CONNECTION FROM SAID SECOND PIPE, AND A DISCHARGE VALVE IN SAID DISCHARGE CONNECTION, WHEREBY SAID VALVES ARE OPERABLE ALTERNATELY FOR PASSAGE OF WATER FROM THE FLUSHING CONTAINER THROUGH SAID PIPELINE AND BACK TO SAID DISCHARGE CONNECTION AND FOR CIRCULATION OF LIQUID FROM THE WASHING CONTAINER THROUGH SAID PIPELINE AND BACK TO SAID WASHING CONTAINER.