Title:
METHOD FOR PRODUCTION OF PARTIALLY PERFORATED FILM
Document Type and Number:
Japanese Patent JP3553435
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing a partially perforated film especially preferably used as the surface material of an absorbable article such as a sanitary napkin or a disposable diaper and the partially perforated film obtained by this method.
SOLUTION: In a method for producing a partially perforated film, a part of the region where through-holes are present of a perforated film having a large number of through-holes is pressed to make the perforation area of each through-hole in the pressed part zero or smaller than the open area of each through-hole before pressing.
Inventors:
Masashi Matsuda
Application Number:
JP29137599A
Publication Date:
August 11, 2004
Filing Date:
October 13, 1999
Export Citation:
Assignee:
Kao Corporation
International Classes:
A61F13/511; A61F5/44; A61F13/15; A61F13/49; B29C55/02; B29C67/20; B29L7/00; B29L31/48; (IPC1-7): B29C67/20; A61F5/44; A61F13/15; A61F13/49; A61F13/511
Domestic Patent References:
| JP5168660A | ||||
| JP11086909A | ||||
| JP59155114U | ||||
| JP10085257A | ||||
| JP5269168A | ||||
| JP10094558A | ||||
| JP64000926U | ||||
| JP5237150A | ||||
| JP50129660A |
Attorney, Agent or Firm:
Osamu Hatori
Yoshiyuki Matsushima
Yoshiyuki Matsushima
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