Patent ID: 8851782

Claim:
A brush, comprising: a plurality of brush bristles; a substrate comprising: a main body having a first loading surface supporting the brush bristles, the first loading surface defining a through hole, and the main body defining a first receiving groove communicating with the though hole; and a handle extending from the main body, and defining a second receiving groove communicating with the first receiving groove, wherein the handle has a second loading surface, the second receiving groove passes through a portion of the second loading surface adjacent to the first receiving groove; a storage bag for receiving paste, the storage bag received in the second receiving groove and partially extending into the first receiving groove to communicate with the through hole; a pushing element comprising a baffle inserted in the second receiving groove, wherein the storage bag is squeezed by the baffle when the baffle is moved in the second receiving groove towards the first receiving groove, and thus the main body is adapted for a flow of paste from the storage bag and through the through hole into gaps between the brush bristles; and a fixing plate positioned on the second loading surface, the fixing plate comprising a connecting surface facing the second loading surface and a supporting surface opposite to the connecting surface, the fixing plate defining a sliding groove passing through the connecting surface and the supporting surface, a length of the sliding groove greater than a length of the second receiving groove, the baffle passing through the sliding groove to be received in the second receiving groove, and the pushing element comprising a pushing plate positioned on the supporting surface.