Treater oven for manufacturing prepreg

A treater oven for drying a prepreg, comprising:

• a pipe conduit configured such that the prepreg is able to pass therethrough;
• a first structure connected to one side of the pipe conduit and supplying heated air to the pipe conduit;
• and
• a second structure connected to the other side of the pipe conduit and discharging the heated air from the pipe conduit to the outside,
• wherein the first structure and the second structure are spaced apart from each other along a longitudinal direction of the pipe conduit, and
• wherein the first structure comprises:
• an air supply portion connected to a heat exchanger and supplying the heated air;
• an air distribution discharge portion discharging the heated air supplied from the air supply portion through a pair of discharging outlets in both sides of the prepreg;
• and
• at least one perforated plate symmetrically disposed in air passageways of the air distribution discharge portion.