Abstract: A method of producing a concrete pipeline in an area where the pipeline is to be laid has the steps of making a trench, installing in the trench a cylindrical elastic element with a diameter equal to an inner diameter of the pipeline to be laid' placing armature on the cylindrical elastic element, pouring a liquid concrete solution on the element with the armature and hardening the concrete solution, after the hardening of the concrete solution turning a part of the element inside out, placing a reinforcing on a thusly obtained portion of the element with turned part, pouring a concrete solution again onto the portion of the element with the armature.

Abstract: A method of coating a pipeline includes introducing into one of two open ends of a pipeline a quantity of a pasty coating material, inserting after the material in the one end an elastic sleeve device, and supplying compressed air into the one end.