| 摘要 |
1,088,294. Raising sunken objects. ASAHI KASEI KOGYO KABUSHIKI KAISHA. June 16, 1965 [Nov. 7, 1964], No. 25523/65. Heading B7S. [Also in Division E1] An apparatus for refloating a submerged body comprises a gas generator 4, Fig. 1, containing a propellant 1 from which gas is generated on actuation of ignition means 2 by ignition switch 3, a gas vessel 6 made of iron in which gas is collected by replacement of water and a member 9 to connect to the submerged body. On admission of a suitable amount of water into the vessel the apparatus is gravitated to the sea bed for connection to the body to be refloated. In other embodiments the gas is collected in a collapsible closed vessel or in a collapsible semi-closed bellows. A gas cooler may also be included. A further embodiment combines a rocket-type specimen collecting instrument with the refloating apparatus. |
