Microcentrifuge tube

Details Microcentrifuge tube Microcentrifuge tube

1992-10-19

1993-10-19

Kryza, Lynn M.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 58, 422 72, 215237, 215272, 215306, 220339, 220307, 220336, G01N 2103

Patent

active

052543145

ABSTRACT:
Disclosed is an improved microcentrifuge tube (10). One improvement is a recessed well (20) within the top of the the lid (16) of the tube into which an identifying disk (22) is placed. Another claimed improvement is an expanded lower circumference (25) of the lower portion of plug (24) extending down from the bottom of the top (16) of the tube and an inwardly directed protrusion (26) on the inner surface of the top portion of the tube such that the expanded circumference (25) at the lower portion of the plug (24) fits under the inwardly directed protrusion (26) when said plug is inserted into the opening of the tube thus securing the lid to the top of the tube. A third improvement is a flange (32) connected to and extending vertically down the lower surface of the rim (30) of the lid (16), said flange being wide enough and long enough to prevent an investigator's thumb from coming into contact with the outer edge of the opening of the tube and with the outer surface of the plug (24) when the investigator is removing the lid from the tube.

REFERENCES:
patent: 4683058 (1987-07-01), Lyman et al.
patent: 4713219 (1987-12-01), Gerken et al.
patent: 4755356 (1988-07-01), Robbins et al.
patent: 4761379 (1988-08-01), Williams et al.
patent: 4874102 (1989-10-01), Jessop et al.
patent: 4956298 (1990-09-01), Diekmann

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