APPARATUS AND METHOD FOR MANUFACTURING A TUBE

The invention provides an apparatus and a method for manufacturing a tube. The apparatus for manufacturing a pipe according to the present invention comprises: a mold part having an inner surface corresponding to the outer shape of the pipe, and a core part having an outer surface corresponding to the inner shape of the pipe, in which the mold part comprises an upper mold, a plurality of side molds, and a lower mold, and a core portion including a plurality of corner cores corresponding to inner corners of the pipe and a plurality of side cores provided between the plurality of corner cores and corresponding to inner side surfaces of the pipe, in which the lower mold is supported to move the plurality of side molds, the lower mold is mounted to slide the plurality of side cores, and the plurality of side cores are positioned between the plurality of corner cores and the plurality of side cores are positioned between the plurality of corner cores and the plurality of side cores. The plurality of side molds and