ULTRASONICALLY BONDED ARTICLES AND METHOD OF MANUFACTURING SUCH ARTICLES

摘要

The present invention is an absorbent article and a method for the manufacture of such an article without the need for including adhesives or glues for a construction connection, but rather including melt-fusion bonds respectively bonding, preferably by employing ultra-sonic connecting, more preferably ultra-sonic connecting using a flexible anvil. The present invention is also applicable to open type diapers, diapers with overfolded side margins and pre-closed pant-style diapers.

主权项

1. A disposable absorbent article to be worn on the lower torso of a wearer comprising a crotch region, to be positioned in the crotch region of a wearer during use and a front and a rear waist region extending forwardly and rearwardly to the waist region of a wearer during use,the article comprising
a liquid permeable topsheet; a liquid retaining backsheet a closing element for connecting the front and rear waist regions; and a liquid absorbing core comprising absorbent, preferably superabsorbent, material, preferably in particulate form, further preferably comprising a first and a second enveloping web; positioned between the topsheet and the backsheet,characterized in that
the topsheet, backsheet and absorbent core are functionally connected within themselves and to each other to form an absorbent article by melt-fusion bonds.