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Seam joining together at least two web materials
专利权人:
Lucas Bäck
发明人:
Lucas Bäck
申请号:
US12307964
公开号:
US08197458B2
申请日:
2006.07.13
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A seam joining together at least two web materials in an overlapped manner, wherein the overlapped portions are bonded together by ultrasonic welding, heat bonding, laser welding or the like, in a bonding pattern extending over at least a part of the overlapped portion to form said seam. The bonding pattern has a main bonding pattern extending in longitudinal direction along at least a part of the overlapped portion, and at least one edge bonding pattern extending in longitudinal direction along at least a part of along and adjacent at least one side edge of the overlapped portion, the bonded area of said edge bonding pattern occupying no more than 30% of the total bonded area of the central bonding pattern plus the bonded area of the edge bonding pattern. The seam may be present in a personal care absorbent article.
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