Method for manufacturing dial knob of washing machine

Details Method for manufacturing dial knob of washing machine Method for manufacturing dial knob of washing machine

2006-04-12

2008-03-18

Cozart, Jermie E. (Department: 3726)

Metal working

Method of mechanical manufacture

Knob or knob shank making

C029S428000, C029S458000, C029S557000, C200S564000, C200S296000

Reexamination Certificate

active

07343680

ABSTRACT:
A dial knob of a washing machine is provided. In the dial knob, a dial is inserted into a center part of a knob guard, and a periphery edge of the knob is formed to be lustrous. A lamp window body is securely attached on a rear surface of the knob guard. The knob guard is formed of an aluminum material. Thereafter, a front surface of the knob guard is formed to be lusterless and an edge of the front surface is formed to be lustrous. Finally, the dial is connected to the lamp window body.

REFERENCES:
patent: 5359165 (1994-10-01), Leveque et al.
patent: 5391848 (1995-02-01), Murphy
patent: 5641952 (1997-06-01), Collings et al.
patent: 6032609 (2000-03-01), Luoma
patent: 6155691 (2000-12-01), Miyasaka
patent: 6228351 (2001-05-01), Viders
patent: 6768075 (2004-07-01), Kikuchi et al.
patent: 6894242 (2005-05-01), Muller et al.
patent: 7059735 (2006-06-01), Orikasa

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