About: http://webisa.webdatacommons.org/233022287

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	The coupling part 14 is made of metal, for example brass, and preferably comprises a screw-in stub 24 with an external thread for coupling the housing part 2 to a threaded bore of any desired assembly (not shown).
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com