Closing device for cryogenic container

摘要

PCT No. PCT/FR88/00208 Sec. 371 Date Nov. 21, 1988 Sec. 102(e) Date Nov. 21, 1988 PCT Filed Apr. 28, 1988 PCT Pub. No. WO88/08501 PCT Pub. Date Nov. 3, 1988.The closing device is constituted by a principal stopper (11) having a lateral notch (17) and an auxiliary stopper (12) having a general shape conjugate with that of this notch, the auxiliary stopper being provided with at least one bore (22) and means (19) for fixing on the edge of the opening of the container.