baby diapers

Abstract

The invention relates to the field of sanitary articles, and provides an infant diaper. The infant diaper comprises an outer cover, an absorbing body, an anti-leakage retaining wall, leg elastic rubber bands and back connecting waist bands, wherein the inner end of the fixing part of the anti-leakage retaining wall along the width direction is fixedly connected with the outer cover in an ultrasonic welding way; the inside end of the anti-leakage retaining wall along the width direction is downwards folded to form an overlapping layer for coating the anti-leakage rubber bands; the overlapping layer is fixed in the ultrasonic welding way; a front air ventilation passage is formed between a first ultrasonic welding area and a second ultrasonic welding area of the front waist area and penetrates along the length direction; a back air ventilation passage is formed between a first ultrasonic welding area and a second ultrasonic welding area of the back waist area and penetrates along the length direction. The infant diaper has the advantages that the production cost is low, the comfortability in use is good, and the air ventilation property along the length direction of the outer cover is good.

Description

technical field [0001] The invention relates to the field of hygienic products, especially baby diapers. Background technique [0002] At present, the structure of baby diapers on the market mainly includes an outer cover, an absorber, a leak-proof retaining wall, elastic elastic bands on the legs and a rear connecting waistband. The outer cover includes a non-water-permeable outer layer and a water-permeable inner layer. The outer layer and the water-permeable inner layer are fixed by glue bonding along the edge of the absorber. The leak-proof retaining wall, the elastic elastic bands of the legs and the rear connection belt are all fixed on the outer cover by glue bonding. There is a magic buckle, and when in use, it is connected to the waistband to fit the diapers on the body. Such as figure 1 As shown, the leak-proof retaining wall is divided into a movable part b and a fixed part a from inside to outside. The middle part of the direction is separated from the water-p...

AI Technical Summary

Problems solved by technology

The deficiencies in existing baby diapers are: 1. When the diapers are used, there are only such figure 1 The position c between the two leak-proof retaining walls shown can be ventilated. Due to the fixed structure at the middle of the movable part b, the air passage of the diaper along the length direction is narrowed from bottom to top, so there is length direction ventilation The problem of poor performance; 2. The rear connection belt and the leak-proof retaining wall are all bonded to the outer cover by glue. In order to ensure the firmness of the connection, a large amount of glue is used. Too much glue can not only increase the production cost, but also Increased weight affects the comfort of use; 3. On the front and rear ends of the outer cover in the length direction, the non-water-permeable outer layer and the water-permeable inner layer are bonded by glue. In the actual assembly line production process, the impervious outer layer and the water-permeable inner layer The water-permeable inner layer enters the cutting process soon after the glue bonding process, that is, the glue between the impermeable outer layer and the water-permeable inner layer has not yet Complete cooling realizes the fixation of the two, so most diapers have partial separation between the impermeable outer layer and the water-permeable inner layer at the front and rear ends. Although it does not affect the use, the separated impermeable outer layer and water-permeable The permanent inner layer is equivalent to openings at the front and rear ends of the diaper, which may scratch the baby's skin and affect the comfort of use; 4. Urine is easy to leak successively

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