Daio Paper issued US patent for 'absorbent article having angled flaps'

ALEXANDRIA, Virginia , April 4, 2014 () – United States Patent no. 8,684,985, issued on April 1, was assigned to Daio Paper Corp. (Ehime, Japan).

"Absorbent article having angled flaps" was invented by Haruko Odoi (Sakura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a sanitary napkin having wings that can be easily attached by being properly folded back at correct positions without causing problems in the wing-like flaps, such as adhesion of adhesive surfaces to each other and wrong adhesion. In a sanitary napkin including wing-like flaps disposed on both sides of a main body to be fixed to an undergarment so as to wrap around a crotch portion of the undergarment when it is worn, each wing-like flap has a front outline extending outward from the main body and a back outline extending outward from the main body and is designed such that the angle formed by the width-direction line of the sanitary napkin and the back outline is larger than the angle formed by the width-direction line of the sanitary napkin and the front outline and that the gravity center of the wing-like flap is located more toward the front of the sanitary napkin than the center point of the boundary line of the root of the wing-like flap W and the main body."

The patent was filed on Nov. 26, 2008, under Application No. 12/745,092.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=8684985&OS=8684985&RS=8684985

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