About: http://webisa.webdatacommons.org/41818930

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	may be partially removed to leave a ring or other structure that surrounds the hole in the strip portion which could offer the advantage of a stronger opening through the strip portion.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com