Patent · US Expired

Device for adjusting correction factor of a plunger lift pipet

US5531131A · kind A · utility

28Cited by
9References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 21, 1994
Grant dateJul 2, 1996
Priority date
Expiry dateOct 21, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01L2300/026
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A plunger lift pipet for a slip-on pipet tip which includes adjusting mechanism for changing the travel of the plunger, display mechanism for the liquid volume pipetted each time, disengageable coupling mechanism between the adjusting mechanism and the display mechanism for changing a pipet correction factor determining the relation between the travel of the plunger and the indicated liquid volume, the coupling mechanism positively connecting to each other the adjusting mechanism and the display mechanism and switching mechanism for completely disengaging the coupling mechanism and changing the pipet correction factor by setting the adjustment mechanism being provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.