DEVICE FOR SINGLE-SIDED ATTACHMENT OF HOSE IN HOSE BOARD OF FILTER Russian patent published in 2003 - IPC

FIELD: cleaning gas from dust; ferrous and non- ferrous metallurgy; manufacture of building materials; chemical industry. SUBSTANCE: proposed device has wire framework mounted inside hose and metal ring fitted in end loop of upper portion of hose; inner diameter of said ring is equal to diameter of hole in hose board. Device is provided with bush with spherical surface mounted on cap of framework and engageable with inner surface of upper portion of hose; framework is mounted inside hose for motion in horizontal and vertical planes; radius of spherical surface of bush is equal to half inner diameter of hose; hole in hose board is made in form of neck whose narrowing part is directed downwards. EFFECT: enhanced reliability of attachment of hose; avoidance of penetration of dust-laden gas into clean gas chamber; facilitated procedure of mounting. 1 dwg