Receptacles – Closures – Secondary closure within parameter of primary closure
Patent
1996-01-29
1999-09-21
Pollard, Steven
Receptacles
Closures
Secondary closure within parameter of primary closure
220324, B61D 3900
Patent
active
059542187
ABSTRACT:
A cover for an open head hazardous waste container. The open head container is of the type having a container body that is constructed of elongated side walls and an end wall which border and define a container body cavity. The open head container further being of the type in which the cover is secured to the container body by a bolt ring that is secured around the cover and the container body. The cover has a housing with a passage provided therethrough. The housing also has a sealing portion that is sealably engageable to the container such that the housing passage is connected to the container body cavity. A hinge is then provided upon the housing, and a lid is movably connected to the hinge. The lid is sealable with the housing, and movable about the hinge through open and closed positions. When the lid is in the open position, the housing passage is uncovered. When the lid is in the closed position, the lid is in sealed engagement with the housing. A lock is used to secure the lid into air-tight engagement with the housing. The lock is preferably one or more clamps provided around the lid at the housing first end. A first gasket is provided between the housing and the container body. A second gasket is provided between the lid and around the housing opening.
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