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US 7,682,568 B2Granted
Pipette with tip container
AssigneeThermo Electron Corporation
InventorsKari Jarvimaki, Mauno Heinonen, Juha Miettinen
Life of this patent
Estimating the term…
Abstract
A pipette including a cylinder part having a cylinder and a tip part, which includes a tip channel connected to the cylinder and a movable piston tightly fit within the cylinder for aspirating liquid into and removing liquid from the tip container attached to the cylinder. In the pipette at least the tip part is made of an elastic material, such as rubber. The tip container can thus be easily and reliably fixed to and removed from the tip container.
Claims19
A pipette comprising:
- a cylinder part having a cylinder;
- a movable piston fitted within the cylinder;
- and
- a tip part having a tip channel, which is connected to the cylinder and having an end to which a tip container is attachable by friction, wherein the tip part is made of an elastic material softer than the tip container and wherein the cylinder part and the tip part are made of a same elastic material.
1 more element
A pipette unit having a cylinder part comprising:
- a cylinder;
- a piston movable within the cylinder;
- and
- a tip part having a tip channel, which is connected to the cylinder and to whose end a tip container is attachable by friction,
- wherein at least the tip part is made of an elastic material softer than the tip container and wherein the cylinder part and the tip part are made of a same elastic material.
2 more elements
A pipette, comprising:
- a cylinder part having a cylinder;
- a movable piston fitted within the cylinder;
- and
- a tip part having a tip channel, which is connected to the cylinder and having an end to which a tip container is attachable by friction, wherein the tip part is made of an elastic material softer than the tip container and wherein said tip part consists of a single material.
1 more element
Dependencies are inferred from the claim text.