Mask
AssigneeShigematsu Works Co., Ltd.
InventorsNobuo Shigematsu, Kenichi Ono, Shuichiro Shimada
Life of this patent
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Abstract
A mask comprising a mask main body and a face seal, wherein the outer periphery part of the main body and the outer periphery part of the face seal are adhered, said face seal is composed of a sheet prepared by laminating soft resin such as polyurethane resin on one surface of elastic fabric made of nylon or polyester fibers, and said laminated sheet is cut off to have a modified ring shape.
Claims2
A mask comprising a mask main body and a face seal, wherein the outer periphery part of the main body and the outer periphery part of the face seal are joined, said face seal is composed of a sheet prepared by laminating soft resin such as polyurethane resin on one surface of elastic fabric made of nylon fiber or polyester fiber, and said laminated sheet is cut off to have a modified ring shape.
Dependencies are inferred from the claim text.