About: http://webisa.webdatacommons.org/12410753

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 a second, preferred embodiment of the invention, the coining operation is a double coining operation as shown in FIG. 2, and the resulting core metal insert 10 has a double-coined backbone as shown in FIG. 3b.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com