Receptacles – Closures – Closures interconnected for common opening movement
Patent
1993-01-11
1994-02-01
Warden, Robert J.
Receptacles
Closures
Closures interconnected for common opening movement
422 99, 435287, B65D 5118
Patent
active
052825434
ABSTRACT:
An array of reaction tube covers adapted to seal a plurality of reaction tubes comprises a unitary body of flexible material having a plurality of flexible plastic nodules. Each nodule is adapted to seal one of the reaction tubes. Each of the nodules is flexible held in a predetermined planar spaced relationship from each other in rows, preferably in rows and columns, by an integral web having a plurality of apertures therethrough. Each of the nodules has a downwardly convex, generally hemispherical lower portion extending from the web, an upwardly convex upper portion extending from the web over the lower portion, and a centrally domed nipple extending upwardly from the upper portion.
REFERENCES:
patent: 3206017 (1965-09-01), Williams
patent: 3302854 (1967-02-01), Midgley et al.
patent: 3366265 (1968-01-01), Hesselbarth
patent: 4392389 (1983-07-01), Eckstein et al.
patent: 5038852 (1991-08-01), Johnson et al.
patent: 5056427 (1991-10-01), Sakabe et al.
Keese Ralph
Picozza Enrico
Ragusa Robert
Woudenberg Timothy M.
Grimes Edwin T.
The Perkin Elmer Corporation
Trembley Theresa A.
Wahl John R.
Warden Robert J.
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