PROCESS FOR THE MANUFACTURE OF HIGH ALUMINA REFRACTORY BRICKS FROM SILLIMANITE BEACH SAND

摘要

pA railway coupler connection is provided for slackless arrangements wherein spacer lugs are provided between the coupler shank and the sill side castings to restrain lateral movement of the coupler member at about the draw key; and access ports are provided in a pocket casting to facilitate withdrawal of a wedge holding the coupler parts together whereby the parts may be disassembled./p[US4700853A]