A device formed by two or more uninterrupted cylindrical bodies arranged one around the other and united through one or more insulating lines of interpretation. (Machine-translation by Google Translate, not legally binding)

摘要

A device formed by two or more uninterrupted cylindrical bodies disposed one around the other and joined by means of one or more interlinking insulating link rings, attached to these bodies throughout their inner and outer periphery, characterized in that each link ring is interrupted at least at one point. (Machine-translation by Google Translate, not legally binding)