Title: Humidity indicating diaper cover

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Claims: What is claimed is:

1. A humidity indicating diaper comprising:

a. an outer sheet of material substantially impervious to liquid, having an outer face and an inner face,

b. an inner sheet of liquid-absorbing material against the inner face of said outer sheet,

c. a hole extending through said outer sheet from said outer face to said inner face and in liquid communication with said inner sheet,

d. a moisture indicator strip of material impregnated with a chemical agent adapted to change state in the presence of moisture,

e. means mounting at least a portion of said indicator strip on the outer face of said outer sheet so that said portion of said indicator strip is visible from the outer face of said outer sheet,

f. said mounting means mounting at least a portion of said indicator strip in registry with said hole for communication with liquid through said hole.

2. The invention according to claim 1 in which said mounting means comprises a transparent tape covering said portion of said indicator strip on the outer face of said outer sheet, and means for securing said transparent tape upon the outer face of said outer sheet.

3. The invention according to claim 1 in which said entire indicator strip is mounted on said outer face.

4. The invention according to claim 1 in which a first portion of said indicator strip is mounted on said outer face and a second portion of said indicator strip extends through said opening.

5. The invention according to claim 4 in which said second portion of said indicator strip extends between the inner face of said outer sheet and said inner sheet.

6. The invention according to claim 5 comprising a plurality of said holes, said indicator strip being substantially elongated and sinuously threaded through said holes so that said first portions of said strip are mounted on said outer face and alternate with the second portions mounted on said inner face.

7. The invention according to claim 1 in which said mounting means comprises a pocket member having a transparent outer wall and a perforated inner wall, said perforated inner wall being fixed over and in liquid communication with said hole, said indicator strip being received in said pocket member between said inner and outer walls.

Other info:

Inventors: Summers, F. Wayne (Nashville, TN, US)

Application Number: 492686
Filing Date: 1974-07-29
Publication_date: 1976-04-27
Assignee:
Primary Class(es): 604/361 116/206
Other Classes:
US Patent Ref:

1843234	Feb, 1932	Karnes et al.	116/114.
2918893	Dec, 1959	Norton	116/114.
3004895	Oct, 1961	Schwartz	128/290.
3084658	Apr, 1963	Schell	116/114.
3198163	Aug, 1965	Williams	116/114.
3731685	May, 1973	Eidus	128/284.

Other Refs:
Primary Examiner: Medbery, Aldrich F.
Assistant Examiner:
Attorney: Lackey; Harrington A.