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US006869423B2
(12) United States Patent (io) Patent No.: US 6,869,423 B2
Onishi et al. (45) Date of Patent: Mar. 22,2005
(54) DISPOSABLE DIAPER
(75) Inventors: Kazuaki Onishi, Kagawa-ken (JP);
Yasushi Sayama, Kagawa-ken (JP);
Hiroyuki Tanji, Kagawa-ken (JP)
(73) Assignee: Uni-Charm Corporation, Ehime-ken
(JP)
( * ) Notice: Subject to any disclaimer, the term ol this patent is extended or adjusted under 35 U.S.C. 154(b) by 351 days.
(21) Appl. No.: 10/073,882
(22) Filed: Feb. 14, 2002
(65) Prior Publication Data
US 2002/0111594 Al Aug. 15, 2002 (30) Foreign Application Priority Data
Feb. 15, 2001 (IP) 2001-038551
(51) Int. C I. A61F 13/15
(52) U.S. CI 604/385.01; 604/378; 604/385.28
(58) Field of Search 604/378, 379,
604/385.17, 385.01, 385.28, 385.29, 383
(56) References Cited
U.S. PATENT DOCUMENTS
2,837,095 A * 6/1958 Stevenson 604/354
