Apparatus and process for producing a corrugated web and an absorbent article comprising a corrugated web

Abstract

Apparatus for continuously producing a web (1) which is corrugated from a thin sheet material which is elastic at least in a transverse direction of the web. The apparatus includes a guide bed (2) which has grooves extending parallel or inclined to each other in the direction of movement of the material. The apparatus also has holding-down devices (5) arranged opposite the grooves of the guide bed (2) so as to urge the web passing between the surface of the guide bed (2) and the holding-down devices (5) into the grooves of the guide bed (2) to obtain corrugations in the web. Finally, at the outlet end (4) of the guide bed (2) is an apparatus or substance which substantially prevents the formed corrugations from springing back to the original condition. A process for producing a strip and an absorbent article containing corrugated strips are included.

Dependencies are inferred from the claim text.