Flushable absorbent article and method
OwnerFrederick W. Georgeinventor
Life of this patent
Estimating the term…
Abstract
A toilet flushable diaper for use by infants and incontinent adults. The diaper has a liquid impervious back sheet comprised of a soluble film center layer covered on both sides with flocking or nonwoven material. An absorbent member is carried on the inner surface of the back sheet comprises a liquid pervious cover which encapsulates an inner body for absorbing urine and other body fluids. The diaper is formed with a weakened tear sheet which enables manual tearing of it into several pieces, allowing the pieces to dissolve when absorbing water as they are flushed down a toilet.
Claims21
A unitary, completely toilet. flushable, wastewater dissolving absorbent article comprising:
- a liquid impervious back sheet, a liquid pervious top sheet forming a closed envelope with the back sheet;
- an absorbent body interposed between the back sheet and top sheet within the envelope;
- a durable water insoluble continuous coating on both surfaces;
- the liquid impervious back sheet being made of a water soluble film providing sole supportive structural integrity to the coating on both surfaces;
- the article having an original length to width ratio, a weakened tear path structure in the the article for enabling change in the original length to width ratio by tearing along the weakened tear paths into multiple contiguous parts, the article being capable of elongating preparatory to flushing, and means for applying traction to the elongated article for controlling the article's orientation as it is flushed down a toilet.
A method of flushing a unitary, completely toilet flushable, wastewater dissolving absorbent article in multiple separate parts in multiple flushes.
Dependencies are inferred from the claim text.