Patent · US Active

Apparatus and method for making a rubber finish mixture containing at least one reactive additive

US11141883B2 · kind B2 · utility

0Cited by

7References

4Claims

0Family size

Assignee

Continental Reifen Deutschland GmbH · DE

Inventors

Frank Stefan Steiner · Hannover, DE
Fabian Dettmer · Braunschweig, DE

Key dates

Filing date	Jun 11, 2018
Grant date	Oct 12, 2021
Priority date	—
Expiry date	Jul 20, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29B7/52
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention is directed to an apparatus for making a finished rubber mixture which includes a reactive additive. The apparatus includes a tandem mixer with an upper machine having an upper mixing chamber and a lower machine having a lower mixing chamber. The lower mixing chamber is larger than the upper mixing chamber and there are rotors disposed in each mixing chamber. Mixture components are introduced into the lower mixing chamber via a loading shaft of a loading unit. The loading unit has at least two metering devices, a cutting or preheating unit connected upstream of a metering device and a first conveyor belt to the loading shaft. All conveyor belts of the apparatus can be switched on and off automatically, such that mixture components weighed in can be held in a “wait position” thereon.

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