Pipette tip rack and refill pack containing large maximized volume freely nestable pipette tips
US5779984A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Dec 4, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D25/108
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A plurality of large maximized internal volume freely nestable pipette tips for mounting in a standard pipette tip rack or refill pack including a horizontally extending pipette tip support having a plurality of through holes arranged in an array, each hole having a center which is spaced a distance "s" from centers of immediately adjacent through holes, each pipette tip having a substantially cylindrical proximal portion and an elongated generally conical distal portion coaxial with and joined to its proximal portion adjacent a downward facing outwardly extending shoulder and including at a distal end of the tip a relatively small orifice for receiving and dispensing fluid into and from the pipette tip upon operation of a pipette to which the pipette tip is mounted, the proximal portion of each pipette tip having an outer diameter equal to or slightly less than "s" and a slightly conical inner surface for tightly receiving and releasably attaching to a pipette tip mounting shaft of a large volume pipette and the distal portion of each pipette tip in a first array of tips being vertically oriented in a different one of the through holes in the support with its shoulder on a top of …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.