B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/52
B65D 39/00 (2006.01) B60K 15/04 (2006.01)
Patent
CA 1178557
A B S T R A C T ARRANGEMENT FOR CLOSING A FILL PIPE OF A STORAGE TANK The invention relates to an arrangement for closing a fill pipe of a storage tank comprising a cap. The cap is provided with a cylindrical lower part adapted to cooperate with the cylindrical upper part of the fill pipe. A locking pin attached to one of the parts cooperates with a locking groove in the other part. The locking groove comprises such a sequence of grooves that the cap can only be removed from the fill pipe by a predetermined sequence of alternating tangential and axial manipulations of the cap relative to the fill pipe. (Fig. 1)
405581
Shell Canada Limited
Smart & Biggar
LandOfFree
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