/ RDLs / ISO 15926 Part 4: Core reference data - Edition 4 / CROWN BLOCK

CROWN BLOCK

Class
Identifier
https://posccaesar.org/ontology/15926-4/4.0/CROWN_BLOCK
Definition A <CROWN BLOCK> is a <FIXED PULLEY BLOCK> through which thedrilling line is threaded or reeved and is opposite and above the &amp;#39;traveling block&amp;#39;.