Bottles and jars – Closures – With separate applied fastener to hold closure in closed...
Patent
1984-10-30
1985-11-12
Norton, Donald F.
Bottles and jars
Closures
With separate applied fastener to hold closure in closed...
53486, 215325, B65D 4502
Patent
active
045522782
ABSTRACT:
A separate capping assembly for a centrifuge tube includes a stopper having a plug adapted for close fitting receipt on the interior of the neck of the tube being sealed and a complimentary tubular sleeve sized for close fitting receipt over the exterior of the tube neck. The sleeve is responsive to a radially inwardly directed force by deformably crimping to compress the material of the neck of the bottle into an annular seal defined between the plug and the sleeve. The annular seal so formed resists fluid leakage from the interior of the tube during centrifugation of the tube.
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E. I. Du Pont de Nemours and Company
Norton Donald F.
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