Patent · US Expired

Cup insert for balancing

US4557717A · kind A · utility

4Cited by
6References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 20, 1982
Grant dateDec 10, 1985
Priority date
Expiry dateSep 20, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB04B2009/143
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A centrifuge cup insert having an outer container and an inner container disposed therein with a spacer means between the containers to afford a reservoir between the containers capable of holding a liquid, the reservoir communicating with the atmosphere; associated apparatus for weighing the cup insert and dispensing a metered amount of fluid into the reservoir; and a method of using the cup insert with or without the associated apparatus.

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