SEALABLE DOME ASSEMBLY

摘要

A dome assembly comprises an upper hemispherical window having a first end surface with an upper ring assembly sealingly connected to the upper hemispherical window at or near the first end surface and a lower hemispherical window having a second end surface with a lower ring assembly sealingly connected to the lower hemispherical window at or near the second end surface. The dome assembly further comprises a spider retainer assembly comprising a spider ring assembly and one or more saddle arms having a first end and a second end with each saddle arm fixedly attached to the spider ring assembly at a first end and fixedly attached to one or more of the upper ring assembly and the lower ring assembly at a second end.