Abstract: The disclosure provides a liquid administering device capable of accurately administering a liquid to a predetermined part in a nasal cavity. A liquid administering device 2 includes a main body 4, a first nozzle 6 that protrudes from the main body 4 in a predetermined direction and dispenses a liquid while being inserted into one nasal cavity 28a of a user, and a second nozzle 8 that protrudes from the main body 4 in the predetermined direction and is inserted into the other nasal cavity 28b of the user to position the first nozzle 6 with respect to one nasal cavity 28a.

Abstract: According to the present disclosure, a heat treatment apparatus includes a heating treatment unit that heat-treats a strip-shaped sheet while transferring the strip-shaped sheet, and a cooling unit that cools the strip-shaped sheet having been heat-treated in the heating treatment unit while transferring the strip-shaped sheet. The cooling unit includes a cooling roller that allows a refrigerant to flow through the inside thereof, and an outer wall that surrounds the space in which the cooling roller is disposed. The heat treatment apparatus may further include a take-up unit in which the strip-shaped sheet having been cooled in the cooling unit is wound.