Flexible valve and device incorporating the same

摘要: Flexible valve adpated to have a device inserted therethrough having body of elastomeric material comprising cylindrical wall portion with bore extending and longitudinal central axis. At least three flexible leaflets are provided which adjoin the subtend 360° adapted said therethrough. Each leaflet has inwardly inclined planar adjoining first second portions is vee-shaped in cross-section plane perpendicular sealing surfaces at their distal extremities. The one abut surface adjacent on side edge other whereby yieldable seal formed by abutting when not present valve.