Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Reexamination Certificate
2005-03-28
2011-10-25
Miggins, Michael C (Department: 1782)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
C428S421000, C428S422000, C428S500000, C428S035700, C428S036900, C428S036800
Reexamination Certificate
active
08043685
ABSTRACT:
The object of the present invention is to provide a sheet applicable for closing an opening of a liquid dispensing container for a liquid handling system used in chemical experiments, in which the sheet is capable of preventing natural volatilization of a liquid in the container even if the tip is frequently inserted and drawn, and also facilitating inserting and drawing of the tip. The composite sheet of the present invention comprises a sheet having elastic property and another sheet having slip property wherein the sheets are stacked.The composite sheet of the present invention can be used to close an opening of a liquid dispensing container for a liquid handling system used in chemical experiments. It can prevent volatilization of the solvent, and also facilitate inserting and drawing of the tip.
REFERENCES:
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Kinoshita Kazumasa
Shimura Hideo
Yoshinari Kiyoshi
Chugai Seikaku Kabushikikaisha
Michaelson Peter L.
Michaelson & Associates
Miggins Michael C
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