THOMAS R. J. CORRIGAN,RYAN D. ERICKSON,ALAN R. DOMBROWSKI
申请号:
US16761572
公开号:
US20200269033A1
申请日:
2018.11.02
申请国别(地区):
US
年份:
2020
代理人:
摘要:
An article comprises a cap and a cover. The cap comprises an opening to an interior cavity, and has an inner surface defining the interior cavity and an outer surface. The cover is disposed within the interior cavity of the cap near the opening. The cover comprises a base having an inner surface facing the cap opening and an opposite outer surface. A sidewall of the cover extends from a perimeter of the base toward the cap opening. The sidewall has an outer surface facing the inner surface of the cap and an opposite inner surface. Micro features are provided on at least the inner surface of the sidewall. The cover is displaceable into the interior cavity of the cap.