Volumetric pipet
First Claim
1. A volumetric pipet, comprising:
- an outer casing;
a liquid fetching mouth arranged at a lower part of the outer casing;
a liquid container detachably mounted to the liquid fetching mouth;
a top cover provided at the top of the outer casing, which is detachably sealed to the outer casing;
a hollow core with a top opening arranged inside the outer casing; and
an inlet mouth on the side wall of the core;
wherein an internal wall surface of the outer casing is slip fitted with an external wall surface of the core, and the core is rotatable or slidable along its longitudinal orientation relative to the outer casing to make the liquid fetching mouth being aligned or staggered with the inlet mouth.
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Accused Products
Abstract
The invention relates to a kind of volumetric pipet. It includes an outer casing. At the lower part of the outer casing, there is a fetching mouth which is detachably mounted to a liquid container. At the top of the outer casing, there is a detachably sealed top cover. Inside the outer casing, there is a hollow core with a top opening. There is an inlet mouth on the side wall of the core that corresponds to the fetching mouth. The internal wall of the outer casing can slide against the external wall of the core. The core'"'"'s rotating or sliding along its longitudinal orientation makes the fetching mouth and the inlet mouth correspond or stagger. This invention provides an easy-to-operate, precise rationing, quick and sanitary volumetric pipet.
25 Citations
13 Claims
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1. A volumetric pipet, comprising:
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an outer casing; a liquid fetching mouth arranged at a lower part of the outer casing; a liquid container detachably mounted to the liquid fetching mouth; a top cover provided at the top of the outer casing, which is detachably sealed to the outer casing; a hollow core with a top opening arranged inside the outer casing; and an inlet mouth on the side wall of the core; wherein an internal wall surface of the outer casing is slip fitted with an external wall surface of the core, and the core is rotatable or slidable along its longitudinal orientation relative to the outer casing to make the liquid fetching mouth being aligned or staggered with the inlet mouth. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification