CONTROLLING THE POROSITY AND PERMEATION OF A WEB

Publication Date

January 11, 2006

Patent Number

EP832318B1

Abstract

PROBLEM TO BE SOLVED: To provide a sanitary mask with a new structure enabling a person to wear spectacles without a fogging phenomenon on them, which is troublesome to him or her. SOLUTION: The sanitary mask consists of a mask body 1 with ear hooks and a thin film shape band 2 and is formed by integrating the lower end edge of the band 2 over the whole width of the upper end edge of the mask body 1 and permitting the upper and lower effective widths of the both bottom parts of the band 2 to be projected upward further than the upper end edge of the mask body 1.

CONTROLLING THE POROSITY AND PERMEATION OF A WEB