About: http://webisa.webdatacommons.org/448104431

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In this embodiment, a surrounding member in the form of a cylinder 28 is secured to the inner periphery of the through hole 25 by suitable means such as welding.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com