B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 85/50 (2006.01) B01L 3/00 (2006.01)
Patent
CA 2497853
A container assembly for use as a sampling device for microorganisms includes a base member and a lid removably coupled to the base member. The lid includes a top wall and a side wall depending from the top wall. The base member has a side wall with an outer surface that complements the inner surface of the side wall of the lid. A plurality of lugs are formed on the outer surface of the base member to provide a gripping force to secure the lid to the base member. The gripping force is provided by the surface area of the lugs so that the lid is secured to the base member while enabling the lid to be readily removed from the base member without sticking or binding. The lugs are odd in number, are uniformly spaced around the side wall of the base member, and are dimensioned to provide a point of contact with the outer wall of the lid causing the wall of the lid to flex outwardly at the point of contact so that the distortion and flexing of the wall of the lid provide a resilient gripping force against the lugs of the base member. The lugs are spaced apart a distance so that the wall of the lid is able to flex inwardly between adjacent points of contact between the lugs and the wall of the lid when the lid is distorted. In one embodiment, three lugs are provided and uniformly spaced apart so that no two lugs are diametrically opposed from one another and a point of contact and outward deflection of the wall of the lid is diametrically opposed to an area of inward deflection of the wall of the lid.
Becton Dickinson And Company
Gowling Lafleur Henderson Llp
LandOfFree
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