Patent · US Expired

Flexible dip tube for liquid dispenser

US6264073A · kind A · utility

51Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2000
Grant dateJul 24, 2001
Priority date
Expiry dateMay 2, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B11/1057
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A flexible dip tube for a liquid dispenser, the tube comprising an elongated integrally formed element having elongated end sections and an elongated intermediate section with a pair of spaced bellows defining flexible/weight portions respectively between one end section and the intermediate section and between the other end section and the intermediate section, one of the bellows functioning as a weight filled with liquid causing the tube to flex at the other end of the bellows.

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