Patent · US Expired

Electrically operated device, especially duplicating device, with a receptacle to accommodate fluid for the chemical treatment of objects

US4295913A · kind A · utility

6Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1980
Grant dateOct 20, 1981
Priority date
Expiry dateFeb 28, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/85954
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An electrically operated device such as a duplicating machine has a recptacle for accommodating a fluid for the chemical treatment of sheet material and like objects. The receptacle may be in the form of a dip tank designed for passing sheet material therethrough. This dip tank is connected via a supply conduit to a storage tank and the supply conduit includes a pump controlled by an automatic charging and metering unit for supplying fluid to the dip tank. A drain conduit leading to the storage tank is connected to the dip tank. This drain conduit includes a solenoid valve for stopping or allowing the flow of fluid through the drain conduit.

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