Patent ID: 9625434
Date: 2017-04-18
CPC Classifications: B01L,B05B,B65B,B65D,B67D,G01N

Claim:
1. A removable cap assembly comprising: an outer portion that attaches to an orifice of a container through a plurality of threads defined in an inner surface of the outer portion of the removable cap assembly; wherein the inner surface of the outer portion of the removable cap assembly defines a cavity in an underside of the outer portion, wherein the cavity in the underside of the outer portion provides a gap between the underside of the outer portion of the removable cap assembly and a top of a permanent sealing assembly disposed in the container to which the removable cap assembly attaches; a connecting portion that, when the outer portion of the removable cap assembly is secured to the orifice of the container, contacts and seals with an outflow tube portion of the permanent sealing assembly of the container, wherein the connecting portion comprises a nipple that extends outwardly from an underside of the removable cap assembly; an inflow tube that provides inflow of gas to provide positive pressure to the container interior; and an outflow tube extending between a liquid analysis instrument and the connecting portion that provides outflow of contents of the container via fluid communication between the nipple and the outflow tube of the permanent sealing assembly of the container; wherein, in response to the removable cap assembly being partially unscrewed, a plurality of threads of an outer surface of the orifice and the plurality of threads of the removable cap assembly form a vent region.