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PERFORATION OF LAMINATED MATERIALS
专利权人:
Brightwake Limited
发明人:
COTTON STEPHEN,COTTON STEPHEN
申请号:
PL09764017
公开号:
PL2382069T3
申请日:
2009.11.30
申请国别(地区):
PL
年份:
2017
代理人:
摘要:
A method is described for introducing perforations into a sheet (1) of laminated material that includes a layer of hydrophobic gel (4). The method involves contacting perforating elements (13) with the sheet and subjecting the sheet (1), at least in the regions contacted with the perforating elements (13), to high frequency mechanical vibrations, eg using a sonotrode (14). The hydrophobic gel (4) is most suitably a silicone gel, and the perforated laminate may be utilised in a wound dressing.
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