C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
39/105
C21C 5/46 (2006.01)
Patent
CA 1328557
ABSTRACT A radially guided ring (36) is axially vertically displaceable by means of two lifting spindle systems (43) provided on each side of said ring and bears pivotable hooks (16, 16') for receiving the lance (77) and for pressing the latter axially against a sealing surface (74) on the coupling head (4). The hooks (16, 16') are connected to the stationary coupling head (41 via pivotable connecting rods (24, 24') whose length is alterable, these connecting rods (24, 24') being articulated eccentrically on the support pin (30, 30') of the hooks (16, 16'); the bearing bore at the coupling head end of the connecting rods (24, 24') has a larger diameter (see clearance 66 in Fig. 2) than the associated wrist pin (68, 68'). When the ring (36) is displaced axially, the hooks (16, 16'), which have swung out, in a first phase first of all sur- round the supporting pins (96, 96') on the upper part of the lance (Figs. 3a to 3e); as the ring (36) is displaced further, the hooks (16, 16'), without executing any further pivoting movement, pull the lance head into sealing contact with the coupling head (4).
575984
Devillet Serge
Fries Daniel
Heintz Carlo
Kremer Andre
Monai Jean
Gowling Lafleur Henderson Llp
Paul Wurth S.a.
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