World Intellectual Property Organization publishes Unicharm patent for 'disposable wearing article'

Nevin Barich

GENEVA , June 24, 2013 (U.S. Fed News) – Publication No. WO/2013/089198 was published on June 20.

Title of the invention: "DISPOSABLE WEARING ARTICLE."

Applicants: UNICHARM CORPORATION (JP).

Inventors: Noriyuki Kurita (JP) and Tomoko Tsuji (JP).

According to the abstract* posted by the World Intellectual Property Organization: "Provided is a disposable wearing article which comprises: a chassis for the wearing article; and side panels provided to the chassis, and which is configured so that the flexibility of particularly the side panels can be maintained. A diaper (1) is configured so that side panels (70) are connected to a chassis (10) through connection sheets (80). The chassis (10) includes an inner surface sheet (20), an outer surface sheet (30), an absorption body (40) which is located between the inner and outer surface sheets (20, 30), a leakage prevention sheet (50), and a pair of sealing sheets (60). The inner region (82) of each of the connection sheets (80) is affixed between the outer surface sheet (30) and each of the sealing sheets (60) by bonding regions (86, 87), the outer region (81) of the connection sheet (80) is affixed to each of the side panels (70) by a bonding region (84), and the intermediate region (83) of the connection sheet (80) separates the chassis (10) and the side panel (70) in the lateral direction (X). Each of the side panels (70) has a first sheet (71), a second sheet (72), an elastic body (73), an elastic region (74) which can elastically contract in the lateral direction (X), and inner and outer non-elastic regions (75, 76) which are located on both outsides of the elastic region (74) in the lateral direction (X) and which do not elastically extend and contract. Ends (73A, 73B) of each of the elastic bodies (73) are respectively located in the inner and outer non-elastic regions (75, 76)."

The patent was filed on Dec. 13, 2012 under Application No. PCT/JP2012/082410.

*For further information, including images, charts and tables, please visit: http://www.wipo.int/patentscope/search/en/detail.jsf?docId=WO2013089198

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