GLAND DEVICE Russian patent published in 2003 - IPC

FIELD: sealing of towed antenna cable of submarine. SUBSTANCE: device includes gland, ball lock, cut-off valve and automatic shut-off valve rigidly joined one with another and with submarine and forming discharge duct for placing and taking off antenna cable from submarine. Cable is sealed at laying it and taking it off by means of collars in the form of thin-wall sleeves of elastic wear-resistant material communicated with compressed-air pipeline and at towing cable is sealed by means of sleeve sealing with clamp unit. Ball lock provides doubled closure of duct at cutting off and at changing cable. Automatic shut-off valve arranged outside submarine closes duct at cable rupture. EFFECT: enhanced reliability of gland device. 2 cl, 3 dwg