Double-shot molded button and method for making the same

1. A double-shot molded button, comprising:

a main portion including an operation surface; and

at least one inserted portion embedded in the main portion, the inserted portion including an exposed surface exposed from the operation surface to configure a symbol for denoting an operation function, an orthographic projection image of the inserted portion on the exposed surface being within the exposed surface, wherein the inserted portion defines at least one groove therearound, the main portion comprises at least one protrusion engaging in the corresponding groove.

2. The double-shot molded button as claimed in claim 1 , wherein the main portion and the inserted portion are respectively made of different materials and integrally formed.

3. The double-shot molded button as claimed in claim 2 , wherein the main portion is made of transparent material.

4. The double-shot molded button as claimed in claim 2 , wherein the inserted portion is made of opaque material.

5. The double-shot molded button as claimed in claim 1 , wherein the main portion comprises a rim portion extending around edges thereof, the rim portion is configured for securing the button.

6. The double-shot molded button as claimed in claim 5 , wherein the main portion comprises a plurality of brackets extend from the rim portion for mounting the button.

7. The double-shot molded button as claimed in claim 1 , wherein the inserted portion has one of following cross-section: rectangle, trapezoid, and T-shape.