Apparel – Nether garments – Bifurcated
Reexamination Certificate
2000-10-16
2001-09-18
Hale, Gloria M. (Department: 3765)
Apparel
Nether garments
Bifurcated
C002S403000, C002S406000, C604S385101, C604S378000
Reexamination Certificate
active
06289519
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to disposable trunks-type pants.
BACKGROUND ART
Trunks- or briefs-type pants are usually made by cutting the stock material in components such as front and rear bodies and then stitching these components together. The pants completely stitched up must be subjected to finishing the steps of pressing or heat-setting and verification before the finished goods.
Such pants are based on the assumption that the pants will be repeatedly used. However, there has been an increased demand for disposable pants adapted to be worn not only by medical teams such as physicians and nurses but also by patients. On the other hand, a good feeling to wear is also required for such pants. However, the trunks-type pants are generally characterized in that the cuffs are not in close contact with wearer's thighs and therefore these cuffs are apt to be turned up along the wearer's thighs inside out during actual use of the pants. Such tendency of the cuffs to be turned up inside up may adversely affect the feeling to wear the pants.
SUMMARY OF THE INVENTION
It is an object of this invention to provide disposable trunks-type pants in which the cuffs are not readily turned up inside out.
The object set forth above is achieved, according to this invention, by disposable trunks-type pants having a waist-opening and a pair of leg-openings defined by upper and lower edges, respectively, of the pants.
The disposable trunks-type pants of this invention comprise a pair of intermediate body sheets positioned in plane symmetry to each other and respectively contoured by upper, lower, inner and outer edges, and a pair of lateral body sheets also positioned in plane symmetry to each other outside the respective intermediate body sheets and respectively contoured also by upper, lower, inner and outer edges; and each of the intermediate body sheets is formed between the inner and outer edges with an arcuate cutout convexly extending from the upper edge toward the lower edge, and the intermediate body sheets being put flat and sealed together along a sealing line defined by the cutouts but leaving a narrow marginal edge free, followed by putting the intermediate body sheets and the lateral body sheets flat and sealed together along sealing lines defined by the inner and outer edges of these body sheets but leaving narrow marginal regions free outside the inner and outer edges.
According to one embodiment of this invention, the intermediate body sheet is formed with the cutout in a manner that an angle at which opposite ends of the cutout intersect the upper edge of the intermediate body sheet is 30°-90°, a dimension from the inner edge to the adjacent one of the opposite ends of the cutout is larger than a dimension from the outer edge to the adjacent one of the opposite ends of the cutout and a total of these two dimensions is 5%-30% of a transverse dimension of the intermediate body sheet as measured along the upper edge thereof.
According to another embodiment of this invention, a bottom of the cutout is offset toward the inner edge of the intermediate body sheet.
According to still another embodiment of this invention, a first elastic member circumferentially extending along a periphery of the waist-opening is bonded with a tension to inner and/or outer surfaces of the lateral body sheets.
According to another further embodiment of this invention, second elastic members circumferentially extending along peripheries of the leg-openings are bonded under tension to the intermediate body sheets and/or the lateral body sheets.
According to an additional embodiment of this invention, the intermediate body sheets and/or said lateral body sheets are made of a nonwoven fabric.
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patent: 4698855 (1987-10-01), Hicks
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patent: 5340424 (1994-08-01), Matsushita
patent: 5440764 (1995-08-01), Matsushita
patent: 5864890 (1999-02-01), Niedermeyer
patent: 6092242 (2000-07-01), Niedermeyer
patent: 6240563 (2001-06-01), Niedermeyer
patent: S42-9056 (1967-05-01), None
patent: H4-60501 (1992-05-01), None
Ishikawa Hitomi
Matsushita Michiyo
Murakami Masaki
Myoga Akira
Baker & Daniels
Hale Gloria M.
Uni-Charm Co., LTD
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