FITTING FOR CORRUGATED TUBES Russian patent published in 2002 - IPC

FIELD: fittings for corrugated tubes. SUBSTANCE: proposed fitting has body with coneshaped section of surface and passage giving access to corrugated tube engageable with body. Setting bush is located in corrugated tube and passes from cone-shaped section of body surface. Nut is fitted on body. Pair of split circular washers having inclined surface is mounted in recess of corrugated tube. Inclined surface of washers and inclined surface of body form double bell-mouth of corrugated tube. Tube is cut off in recess and circular split washer is mounted in recess near cut-off end; body is leveled relative to tube by connecting the setting bush to body, nut is tightened, thus forming double bell-mouth between cone-shaped section of body surface and inclined surface of washer having angle which is equal to angle of inclination of cone-shaped section of body. EFFECT: prompt assembly of fitting with corrugated tube without additional special tools; enhanced reliability of joint. 15 cl, 19 dwg