Patent ID: 6934989

Claim:
A disposable pillow comprising: a single sheet folded along a medial line, to form two side walls; separated by a marginal edge; a second, third and fourth marginal edge formed by sealing the two side walls around a perimeter of the folded single sheet to create a seal; a check valve located between the two side walls in one of the second, third or fourth marginal edges, so as to locally break the marginal edge seal where the check valve is located; wherein the check valve comprises; a first side portion; a second side portion registered with the first side portion and sealed along two opposite edges to form a first side seal and a second side seal and creating a top opening and a bottom opening; a first valve seal extending from the first side seal and terminating at the bottom opening; and a second valve seal extending from the second side seal and terminating at the bottom opening; wherein the first valve seal and second valve seal converge at the bottom opening.