18836440. Seal Unit, Joint, Industrial Device and Method (ABB SCHWEIZ AG)
Seal Unit, Joint, Industrial Device and Method
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Seal Unit, Joint, Industrial Device and Method
This abstract first appeared for US patent application 18836440 titled 'Seal Unit, Joint, Industrial Device and Method
Original Abstract Submitted
A seal unit for being installed in a joint, the seal unit having a first adapting ring concentric with a seal unit axis; a dynamic seal in contact with, and allowed to slide relative to, the first adapting ring; and a holding device configured to adopt two states, at least one of the states being associated with a unique seal unit width of the seal unit along the seal unit axis; wherein the holding device is configured to hold the dynamic seal compressed against the first adapting ring in at least one of the states. A joint, an industrial device and a method of installing a seal unit are also provided.