Patent · US Expired

Cell for analysis device, to collect a fraction of a liquid sample for reaction and analysis

US4623519A · kind A · utility

14Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 1984
Grant dateNov 18, 1986
Priority date
Expiry dateJul 2, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/111666
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention relates to a fractionating and observation cel of a liquid analysis device comprising a rotor, a central distribution cup or container for said liquid, and an assembly of cells on the periphery of the rotor, wherein the cells and the duct are formed by welding of two plastic pieces comprising said rotor, the liquid feed and gas evacuation duct is provided by the space existing between the two plastic pieces welded to each other by two welding seams along the edges of each duct, the opposite faces of the said pieces that constitute the duct with the said seams being left rough from molding.

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