About: http://webisa.webdatacommons.org/233476915

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 pipe coupling of claim 5, wherein said front surface of said wedge shaped projections facing the outer end is disposed at an angle other than a right angle but greater than 45 degrees to the longitudinal axis.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com