Disposable ventilated face shield and head covering

Publication Date

April 28, 2010

Patent Number

US6374823B1

Abstract

PROBLEM TO BE SOLVED: To restrain containers conveyed on a conveyor of an ultraviolet sterilizing apparatus from jumping when the containers are influenced by vibrations of the conveyor and to prevent the mouth parts of the containers from colliding with ultraviolet lamps or a housing of the apparatus. SOLUTION: In the ultraviolet sterilizing apparatus comprising a conveyer 22 which conveys PET(polyethylene terephthalate) bottles 30 each opened at its opening 30c, a container sterilizing chamber 21 in a tunnel-shaped structure for letting the conveyer 22 pass therethrough and ultraviolet lamps 45 arranged along the conveyer 22 and mounted detachably at the inside of the container sterilizing chamber 21 for irradiating the mouth parts 30c of the conveyed PET bottles 30 with ultravilot rays, guide bars 70 are provided at positions close to the ultraviolet lamps 45 so that the mouth parts 30c of the PET bottles 30 can be prevented from coming close not more than in a specified distance to the ultraviolet lamps 45.

Disposable ventilated face shield and head covering