<http://webisa.webdatacommons.org/262538332>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/262538332>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/104578974>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/262538332> .
<http://webisa.webdatacommons.org/prov/59832145>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/262538332> .
<http://webisa.webdatacommons.org/262538332>	<http://www.w3.org/ns/prov#value>	"The high-density layer 14 is made of a material, such as polyvinyl chloride or synthetic rubber, which is mixed with a filler." .