DESTRUCTIBLE COVER OF LAUNCHING TUBE Russian patent published in 2003 - IPC

FIELD: development of structures of the destructible covers of launching tubes and means of protection of the in-process vessels. SUBSTANCE: the cover is made in the form of a spherical segment with a mantle ring secured in a casing. Slackening slots filled with a solid material are made on the inner surface of the spherical segment. The slots form a system of interconnected slots, including the end slots, located concentrically to the longitudinal axis of the spherical segment, and meridionally located slots. The diameter of one of the annular slots corresponds to the diameter of the cover flow area after destruction of the cover. The cover may be provided with cloth members positioned on the peripheral section of the inner surface of the spherical segment in the areas between the slackening slots. The mantle ring of the spherical segment may be installed in a casing by means of a seal of elastic material. EFFECT: complete liberation of the flow area of the cover at its destruction. 3 cl, 3 dwg