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Application filed by Ole-Bendt RasmussenfiledCriticalOle-Bendt Rasmussen
Priority to MYPI20070986ApriorityCriticalpatent/MY146339A/en
Publication of MY146339ApublicationCriticalpatent/MY146339A/en
A LAMINATE OF THERMOPLASTIC FILM MATERIALS EXHIBITING THROUGHGOING POROSITY AND COMPRISING PLIES A AND B, A HAVING AN INNER SURFACE A1 PARTLY IN CONTACT WITH B AND AN OUTER SURFACE A2, AND B HAVING AN INNER SURFACE B1 PARTLY IN CONTACT WITH A AND AN OUTER SURFACE B2, A AND B . CONSISTING OF CONTINUOUS MATERIAL EXCEPT FOR A MULTITUDE OF PERFORATIONS (6, 7) IN EACH PLY, WHEREBY ESSENTIALLY NO PERFORATION IN A CORRESPONDS DIRECTLY TO A PERFORATION IN (7)B, THE LAMINATION BETWEEN A AND B ON SURFACES A1 AND B1 BEING A) THROUGH A COEXTRUDED LOWER MELTING LAMINATION LAYER (3, 4) ON A AND/OR B AND B) ESTABLISHED IN SUCH DISCO .NTINUOUS MANNER THAT THERE IS FORMED A CHANNEL SYSTEM (130, 131) BETWEEN A1 AND B1 CONNECTING THE MAJORITY OF THE PERFORATIONS IN A EACH WITH AT LEAST ONE OF THE PERFORATIONS (7) IN B, AND CONNECTING THE MAJORITY OF THE PERFORATIONS IN B EACH WITH AT LEAST ONE OF THE PERFORATIONS IN A IS PROVIDED IN ADDITION TO A PROCESS AND APPARATUS FOR PRODUCING SUCH A LAMINATE.
MYPI20070986A2007-06-212007-06-21Laminate of thermoplastic film materials exhibiting throughgoing porosity
MY146339A
(en)