PRE-FABRICATED BALLOON FOR GASES UNDER PRESSURE

摘要

A pre-fabricated balloon for gases under pressure has a cylinder, at least one movable cover, at least one fitting, gasket and wire. The cover is arranged with teeth at the outer surface and is connected to cylinder by means of wire that is winded with tension along the cylinder in screw line at angle 80-89° to axis and forms continuous-winded pressure shell. The cover and the teeth on the cover are rounded in places of wire adjoining.