Title:
LAMINATED COMPOSITE FILM AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JP2637001
Kind Code:
B2
Abstract:
PURPOSE: To provide a laminated composite film, in which a film composed of a material of a different kind to a film is bonded with the film consisting of various polymers with high strength.
CONSTITUTION: A laminated composite film has a porous first film 173, through which a large number of fine through-holes are bored uniformly in density of 500number/cm2 or more and which is made up of a polymer, second films 171 laminated on one surface or both surfaces of the first film 173 and adhesives layers 181 interposed among the first and second films 173, 171 and partially buried in a large number of the through-holes 180 of the first film 173.
Inventors:
KAGAWA SEIJI
Application Number:
JP415392A
Publication Date:
August 06, 1997
Filing Date:
January 13, 1992
Export Citation:
Assignee:
KAGAWA SEIJI
International Classes:
B29C65/54; B29C67/20; B32B7/14; B32B27/00; B29K105/04; B29L7/00; B29L9/00; (IPC1-7): B32B27/00; B29C65/54; B29C67/20; B32B7/14
Domestic Patent References:
| JP2274531A | ||||
| JP63272468A | ||||
| JP3123649A | ||||
| JP5826537U |
Attorney, Agent or Firm:
Takehiko Suzue