Patent · US Expired

Apparatus for washing grossly soiled products of plastic material for subsequent re-use

US4106518A · kind A · utility

3Cited by

5References

21Claims

0Family size

Assignee

Maschinenfabrik Buckau Aktiengesellschaft · DE

Inventors

Heinrich Buzga · Grevenbroich, DE
Werner Steprath · Dormagen, DE
Kurt Pause · Eutin, DE

Key dates

Filing date	Jan 6, 1977
Grant date	Aug 15, 1978
Priority date	—
Expiry date	Jan 6, 1997

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S264/911
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

An apparatus for continuously cleaning grossly soiled products of plastic material, such as sheets, bands, sacks or the like and for preparing the material for subsequent re-use, comprising an elongated container having at least one downwardly extended funnel-shaped portion closed by a valve, means for feeding soiled comminuted plastic material in the region of one end wall into the container in which a bath of washing solution is maintained, a partition adjacent the other end wall extending into the bath and dividing the interior of the container into a washing zone and a discharge zone, communicating with each other adjacent the bottom of the container, means for agitating the working solution and the comminuted plastic material in the washing zone, and a sieve conveyor for removing the comminuted and cleaned plastic material from the discharge zone.

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