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Absorbent pads

The largest market for absorbent pads is for their use in absorbing human excreta. Many types of disposable consumer products such as diapers, training pants, feminine care articles, incontinence articles, and the like, utilize an absorbent pad structure for absorbing and wicking away bodily fluids. It is common knowledge that incontinent persons, many elderly and infants have difficulty controlling urination and often discharge or excrete large amount of urine suddenly, thus causing a fluid surge in the crotch area. Uncontrolled fluid surge results in leakage of fluid unless the absorbent article is especially constructed to contain the fluid surge in order to prevent or minimize fluid leakage. In general, absorbent articles are formed by multiple webs of material. Such webs generally include a bodyside liner and outer cover on opposing outside surfaces of the absorbent article. An absorbent core generally is located between the bodyside liner and the outer cover. The absorbent core generally has preformed barrier tissue located on a first surface, positioned between the absorbent core and the bodyside liner, and preformed forming tissue located on an opposing second surface, positioned between the absorbent core and the outer cover. The barrier tissue and forming tissue, in combination, completely surround and support the absorbent core. Absorbent pads for menstruation or urinary incontinence are intended to absorb and retain body fluids. Such pads typically comprise an absorbent structure disposed between a fluid (or liquid) permeable topsheet and a fluid impermeable backsheet. Leakage to the side has been a problem when using absorbent pads. This has been a problem in all types of absorbent pads, both the older types, i.e. thick and wide pads, and in more modern types, e.g. so-called body-shaped pads, which vary in thickness along their lengths and are relatively narrow in the mid-section where the pads are thickest.

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