Title:
ケーシング材料及びその製造方法及び装置
Document Type and Number:
Japanese Patent JP3633628
Kind Code:
B2
Abstract:
The invention relates to a method and to an apparatus for perforating a web of material intended to form an outer casing sheet of absorbent articles. As the web is advanced, the web is first provided with a large number of mutually separated cuts in the nip defined between raised plateaus on a matrix cylinder and circumferentially extending knife-edges of a cutting cylinder. The web is then deformed transversely to its plane at parts which border on each cut. The invention also relates to a perforated outer casing sheet which includes recesses in the form of mutually adjacent elongated channel-like grooves.
Inventors:
Lindkist, vent
Arescoug, Stephan
Stroline, Andels
Arescoug, Stephan
Stroline, Andels
Application Number:
JP52090596A
Publication Date:
March 30, 2005
Filing Date:
December 28, 1995
Export Citation:
Assignee:
SCA Hygene Products AB
International Classes:
A61F13/511; A61F13/15; A61F13/472; A61F13/49; A61F13/514; B26F1/18; B26F1/20; B29C59/04; B29D7/01; (IPC1-7): A61F13/15; A61F13/472; A61F13/49; A61F13/511; A61F13/514
Domestic Patent References:
| JP3111198A | ||||
| JP1119251A | ||||
| JP60259260A | ||||
| JP64034365A |
Attorney, Agent or Firm:
Mitsuo Adachi
Nobuaki Kazehaya
Nobuaki Kazehaya