Patent ID: 9156532
Filing Date: 2015-10-13
Classification: A63B,B63C

Abstract:
1. A waterproof mask, comprising: a frame portion; a leaning portion, being tightly connected to the frame portion, the leaning portion having an upper surface and a lower surface opposing to the upper surface, in which the lower surface is flat for contacting a user's face; and a nose mask portion, disposed below the frame portion and adjacent to a lower portion of the leaning portion, wherein the nose mask portion comprises a bulge and a base connected to the bulge; wherein the upper surface of the leaning portion has a plurality of first structures and a plurality of second structures being alternately arranged with the first structures, in which each of the first structures has a first thickness smaller than a second thickness of each of the second structures, wherein the first structures and the second structures are long stripes which are arranged transversely along a periphery of the upper surface; wherein the bulge has a plurality of third structures and a plurality of fourth structures, the third structures and the fourth structures are alternately arranged, and a third thickness of each of the third structures is thinner than a fourth thickness of each of the fourth structures.