B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/44
B65D 39/00 (2006.01) B65D 41/04 (2006.01) B65D 41/28 (2006.01)
Patent
CA 2030609
ABSTRACT OF THE DISCLOSURE A polyethylene cap, for use with containers, particu- larly polypropylene containers for containing medical speci- mens in preservative fluid such as formaldehyde, is provided with a 3-face seal, wherein a rim portion of the container is trapped in sealing, contacting relation on three mutually adjoining faces, whereby any tendency of the container rim to "relax" out of sealing engagement with a contacting face por- tion of the cap is effectively precluded by the geometry of the cap seal. In the case of polypropylene, which is suscept- ible to such "relaxation", the subject cap enables the effect- ive sealing of polypropylene containers so that advantage may be taken of the superior properties of polypropylene in non- reactive, secure containment of possibly contaminated medical specimens in liquids such as formaldehyde, a known carcinogen. In a preferred embodiment the cap has a "feel" element, to give actual indication of engagement.
Daykin Victor Alexander
Macartney Charles Terrence
Macartney Charles Terrence
Ridout & Maybee Llp
Samco Scientific Inc.
Starplex Scientific Inc.
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