Patent ID: 7291005

Claim:
A mold for manufacturing a housing of a hydraulic unit of an anti-lock brake system, the housing having a plurality of bores formed therein wherein the mold comprises: a lower mold mounted in a first frame for defining a housing forming space where a lower part and side parts of the housing are formed; an upper mold mounted in a movable frame disposed adjacent the first frame such that when the movable frame is vertically moved a predetermined distance, the upper mold covers an upper part of the housing forming space of the lower mold to define an upper part of the housing therewith; lower cores attached to the lower mold such that the lower cores protrude from an inner lower surface of the lower mold to form lower-side bores of the housing; an upper core attached to the upper mold for forming at least one upper-side bore of the housing; and a plurality of side cores disposed transverse to the upper and lower cores at the lower mold such that the side cores move into and out of the housing forming space defined in the lower mold through the lower mold in four directions to form the bores provided at four sides of the housing.