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US 6,182,517 B2Granted
Burette tip
AssigneeMetrohm AG
InventorPaul Zähner
Life of this patent
Estimating the term…
Abstract
A burette tip (1) for metering a titrating agent consists essentially of a burette body (10) with a seat (3) for a membrane and with such a membrane (2). The burette tip (1) comprises, for protecting the membrane (2) and the seat (3) against mechanical damage, a covering (4, 5, 15) which at least partly encloses and covers the membrane (2) and the seat (3). The membrane (2) is clamped between the burette body (10) and a cover part (5) and is held in the burette body (10).
Claims9
A burette tip (1) for titrating a fluid, the burette tip consisting of
- a substantially tubular burette body (10),
- a membrane (2) for preventing reverse flow of fluid into the burette body, and
- a cover part (5),
- said burette body having means defining a seat (3),
- wherein the membrane is (2) is held between said seat (3) and the cover part (5), and
- wherein the cover part at least partly covers the membrane (2) and the seat (3) thereby protecting the membrane (2) and the seat (3) from mechanical damage.
3 more elements
Dependencies are inferred from the claim text.