Patent ID: 8887359

Claim:
A manufacturing apparatus for manufacturing an opening matter of long-sized fiber tow, the manufacturing apparatus comprising: a preliminary opening unit having at least one pair of rolls, an opening unit connected to the preliminary opening unit, and a swelling and shaping unit connected to the preliminary opening unit; the preliminary opening unit, the opening unit and the swelling and shaping unit being connected so as to form a communicated space for delivering a fiber tow continuously; the opening unit including: an adding part of particulate additives, and an opening part connected to the adding part; the opening part including a cylindrical body part being opened to both ends, where an opening on a first end being connected to an adding part body, and a second end, opposite to the first end, being connected to the swelling and shaping unit, a nozzle part having nozzles, inside the adding part of the body part, which are arranged at regular intervals with an inner peripheral surface of the body part, and a gas supplying pore which is provided so as to communicate with the inside and outside of the body part and which is opened to face a gap between the nozzle part and the body part; the body part including a first opening zone which the nozzles of the nozzle part face, and a second opening zone extending from the first opening zone to the second end; an inner diameter of at least the first opening zone being uniform; the swelling and shaping unit being connected to the second end of the body part via an adapter, and including the adapter and an elastic body which is fixed to the adapter and which is for regulating a shape of a swelling fiber tow from outside; and the adapter including, in its inside, an inclined surface which is enlarged toward an exit.