Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMPOSITE FILM AND METHOD FOR PRODUCING THE COMPOSITE FILM AND METHOD FOR PRODUCING A SECURITY DOCUMENT HAVING SUCH A COMPOSITE FILM
Document Type and Number:
WIPO Patent Application WO/2011/023346
Kind Code:
A3
Abstract:
The invention relates to a composite film, a method for producing the same and a method for producing a security document having such a composite film, the composite film (12) comprising at least one polymer film (14), a scratch protection layer (17) and a composite film release film (19), that can be pulled off the scratch protection layer, being provided on one side of the polymer film (14) and an adhesive layer (21) being provided on the opposite side of the polymer film (14), and the polymer film (14) comprising a plurality of cut-outs (24) produced by means of punchings (23), the punching (23) penetrating the adhesive layer (21), the polymer film (14) and the scratch protection layer (17) and penetrating partially into the release film (19), and the cut-outs (24) being laminated off-center onto the card (40) in order to produce a multilayer security document (50).

Inventors:
LEOPOLD ANDRE (DE)
GAHLBECK JEFFRY (DE)
MAERTENS DETLEF (DE)
SEIJO-BOLLIN HANS-PETER (DE)
Application Number:
PCT/EP2010/005147
Publication Date:
May 12, 2011
Filing Date:
August 23, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BUNDESDRUCKEREI GMBH (DE)
LEOPOLD ANDRE (DE)
GAHLBECK JEFFRY (DE)
MAERTENS DETLEF (DE)
SEIJO-BOLLIN HANS-PETER (DE)
International Classes:
B42D15/00; B32B38/00; B32B38/04; B42D15/10; B44C1/17
Domestic Patent References:
WO1995020493A11995-08-03
Foreign References:
EP0466118A21992-01-15
Attorney, Agent or Firm:
MASER, Jochen (Tilsiter Str. 3, Sindelfingen, DE)
Download PDF: