METHOD OF MANUFACTURING A PERSONAL HYGIENE PRODUCT

摘要

A method of manufacturing a disposable absorbent personal hygiene product, including a stretched elastic strand and a flat substrate portion, includes mixing a pressurized gas and hot melt adhesive to form a foamed adhesive and contact dispensing the foamed adhesive onto the stretched elastic strand by contacting the stretched elastic strand with the foamed adhesive. The foamed adhesive expands in volume on the stretched elastic strand and this expansion provides improved bond characteristics and/or reduced add on weight when the stretched elastic strand is secured to the flat substrate portion, thereby improving the personal hygiene product. The foamed adhesive may also be spread around on a periphery of the stretched elastic strand by wiping the foamed adhesive with a notch in a contact nozzle or by discharging air at the foamed adhesive in contact with the stretched elastic strand.

主权项

1. A method of manufacturing a disposable absorbent personal hygiene product including a stretched elastic strand and a first flat substrate portion, the method comprising:
moving the stretched elastic strand in a machine direction past a contact nozzle; mixing a pressurized gas and hot melt adhesive to form a foamed adhesive; contact dispensing the foamed adhesive at the contact nozzle by contacting the stretched elastic strand with the foamed adhesive; expanding the foamed adhesive in volume during and after the contact dispensing onto the stretched elastic strand; and securing the stretched elastic strand to the first flat substrate portion with the foamed adhesive.