Patent ID: 6883675
Filing Date: 2005-04-26
Classification: B65D

Abstract:
1. A venting device adapted to be sealingly received in an opening of a drum, the device comprising: a body having a pair of opposing sides and defining a plurality of vent passages, each vent passage having an opening at each of the pair of opposing sides and extending through the body, the vent passages being spaced apart and arranged around a center portion of the body; a membrane structure covering the openings of the vent passages on one of the pair of opposing sides of the body, the membrane structure being sealingly affixed to the body portion in a sealing band surrounding the openings of the vent passages, a portion of the membrane structure being further affixed to the center portion of the body at a spot, thereby defining a portion of the membrane structure between the sealing band and the spot, the membrane structure not being attached to the body in the portion defined between the sealing band and the spot; and a protective structure attached to the body and positioned over the membrane structure.