Multi-component pipette tip and associated methods

B - Operations – Transporting – 01 – L

Patent

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Details

B01L 3/02 (2006.01)

Patent

CA 2637010

Described are pipette tips and methods of making the same. The pipette tips may include at least two components, an annular component and a tubular body component. The annular component may comprise a different and relatively more compliant material. The annular component may be partially or entirely telescopically received within the tubular body component. Alternatively, the annular component may comprise a proximal end of the pipette tip and the tubular body component may comprise a distal end of the pipette tip. A portion of the tubular body component may be telescopically received by the annular component or otherwise attached thereto. The pipette tip may be formed by first molding the annular component and next molding the tubular body component. Alternatively, the tubular body component may be molded first and the annular component may be molded within, adjacent, or about the tubular body component.

L'invention porte sur des pointes de pipettes et des procédés de fabrication de ces dernières. Les pointes de pipettes de l'invention peuvent inclure au moins deux composants, un composant annulaire et un composant corps tubulaire. Le composant annulaire peut comprendre un matériau différent et relativement plus souple. Le composant annulaire peut être reçu de manière télescopique, entièrement ou partiellement, à l'intérieur du composant corps tubulaire. Dans un autre mode de réalisation, le composant annulaire peut comprendre une extrémité proximale de pointe de pipette et le composant corps tubulaire peut comprendre une extrémité distale de pointe de pipette. Une partie du composant corps tubulaire peut être reçue de manière télescopique dans le composant annulaire ou peut lui être attaché de toute autre manière. On peut former la pointe de pipette en moulant d'abord le composant annulaire et ensuite, le composant corps tubulaire. Dans un autre mode de réalisation, on peut mouler d'abord le composant corps tubulaire et mouler ensuite le composant annulaire à l'intérieur du composant corps tubulaire, adjacent à celui-ci ou autour de ce dernier.

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