Tub for washing machine and method of manufacturing the same
AssigneeLG Electronics Inc.
InventorsYoung Ho Kim, Byoung Soo Je, Si Moon Jeon, Dong Won Kim
Life of this patent
Estimating the term…
Abstract
A tub of a washing machine that prevents vibration and noise and a method of manufacturing the tub are provided. The tub includes a rear tub portion, a front tub portion located in front of the rear tub portion, and one or more linear reinforcing portions formed on at least one of the rear and front tub portions and extending in a direction parallel to a central axis of the front and rear tub portions.
Claims20
A tub of a washing machine, the tub comprising:
- a rear tub portion;
- a front tub portion located in front of the rear tub portion;
- and
- one or more linear reinforcing portions formed on at least one of the rear and front tub portions, wherein the linear reinforcing portion extends in a direction parallel to a central axis of the front and rear tub portions.
A washing machine, comprising:
- a tub including a rear tub portion having a body and a rear surface portion integrally formed with the body and provided with a motor shaft insertion hole and a front tub portion having a body coupled to a front portion of the rear tub portion,
- wherein one or more linear reinforcing portions are provided on an outer circumference of the bodies of the front and rear tub portions;
- and
- a motor coupled to the rear surface portion and having a driving shaft penetrating the motor shaft insertion hole.
A method of manufacturing a tub comprising a rear tub portion having a body and a rear surface portion and a front tub portion connected to a front portion of the rear tub, the method comprising:
- preparing a mold for forming at least one of the front and rear tub portions, the mold being provided with a longitudinal groove;
- forming a tub having a linear reinforcing portion corresponding to the longitudinal groove by injecting resin into the mold;
- and
- sliding the mold away from the formed tub portion in a direction parallel to the longitudinal groove.
Dependencies are inferred from the claim text.