About: http://webisa.webdatacommons.org/454021361

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 one type, the bevel tip of a needle is embedded in a relatively soft material such as rubber or cork stopper as shown in U.S. Pat. Nos. 2,688,963; 2,667,163; 2,688,964; and 3,416,657.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com