Drum-type washing apparatus

A drum-type washing apparatus comprising:

• a housing having an opening in a front of the housing;
• a washing tub, having a cylindrical shape, supported to spin inside the housing and arranged to receive laundry through the opening;
• and
• a door to open and close the opening,
• wherein washing tub has
• a first pattern on an inner circumferential surface of the washing tub, and including an even area and a plurality of dewatering holes in the even area, and
• a second pattern on the inner circumferential surface of the washing tub, and including an uneven area and a plurality of dewatering holes in the uneven area.

A drum-type washing apparatus comprising:

• a housing having an opening in a front of the housing;
• a washing tub, having a cylindrical shape, supported to spin inside the housing and arranged to receive laundry through the opening;
• and
• a door configured to open and close the opening,
• wherein the washing tub has a plurality of unit patterns repeatedly located along a circumferential direction of the washing tub on an inner circumferential surface of the washing tub, each unit pattern including a first uneven area, a second uneven area, a first recessed area between the first uneven area and the second uneven area and recessed with respect to the first uneven area and the second uneven area, and a dewatering hole in the first recessed area, and
• wherein for each two unit patterns of the plurality of unit patterns that are adjacent to each other, a second recessed area having a depth different from a depth of the first recessed area is located between the two unit patterns.