摘要 |
A two-layer wristband, including: a first U-shaped symmetrical band having two hollow portion on the two ends of the first U-shaped symmetrical band, respectively, each hollow portion is formed with a vertical wall protruding from the first U-shaped symmetrical band; a second U-shaped symmetrical band having a depressed portion on its outer surface, a pair of ring-like grooves is formed in the depressed portion; wherein the first U-shaped symmetrical band is placed in the depressed portion of the second U-shaped symmetrical band, and the pair of vertical wall of the first U-shaped symmetrical band joins the pair of ring-like grooves, respectively. |
主权项 |
1. A two-layer wristband, comprising:
a first U-shaped symmetrical band having two curved portions, an inner surface and an outer surface being opposite to the inner surface, a hollow portion is formed on each area between one of the curved portions and one of the ends of the first U-shaped symmetrical band respectively, the hollow portion is peripherally formed with a vertical wall protruding from the inner surface, at least a part of the vertical wall is further formed with a horizontal wall, the protruding vertical wall extends away from the inner surface, the horizontal wall extends from the vertical wall toward the hollow portion; and a second U-shaped symmetrical band having two curved portions, an inner surface and an outer surface being opposite to the inner surface, wherein the outer surface of the second U-shaped symmetrical band is adhered to the inner surface of the first U-shaped symmetrical band, the outer surface of the second U-shaped symmetrical band has a depressed portion, a pair of ring-like grooves are formed in the depressed portion, each of the ring-like grooves has a vertical part and a horizontal part, the first U-shaped symmetrical band is appropriately placed in the depressed portion, the vertical wall of the first U-shaped symmetrical band joins the vertical part while the horizontal wall of the first U-shaped symmetrical band joins the horizontal part. |