Device for splicing textile yarns with the aid of compressed air

A device for splicing textile yarns by admixing and intermingling the component fibers thereof with the aid of compressed air, comprising a blending chamber having a substantially V-shaped cross-sectional outline, with an opening formed centrally in correspodence with the bottom wall thereof and connected via a cutoff valve to a source of compressed air, a lid borne by a movable supporting member for closing said chamber frontally, means for shifting said lid from an inoperative position away of the chamber to a chamber closing position and vice versa, means synchronized with said lid-shifting means for opening said valve during a preselected time when the lid is in its closed position, fixed guideways for positioning the yarns to be spliced and placed at both sides and away of the blending chamber, members comprised of fixed and movable portions for clamping the yarns and severing means comprised of fixed and movable scissors blades for severing the free tails of the yarns on the opposite side as referred to the chamber and relative to the clamping side, the movable portions of the clamping members and the movable scissors blades of the severing members being controllable in synchronization with the movement of said lid from its inoperative position to the position of closure of the blending chamber, the device being characterized in that the fixed portions of the clamping members and the severing members, respectively, on the two sides of the blending chamber are mutually confronting, that the fixed portions of the clamping members are arranged in an advanced position relative to the direction of motion of the lid from its inoperative position to its closure position, with reference to the blending chamber and also relative to the severing member, and that the supporting members for the lid carries in an adjustable position actuating means for the movable scissors blades.