Cartridge holder, multichamber cartridges and metering and mixing devices which comprise these

US10464086B2 · kind B2 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Sibylle Schoeps · Munster, DE
• Thomas Krueger · Tilst, DK
• Joachim Vosskuhl · Thedinghausen, DE
• Roland Meisner · Schorndorf, DE
• Ernst Schneider · Langenzenn, DE

Key dates

• Filing date: Jul 6, 2015
• Grant date: Nov 5, 2019
• Expiry date: Mar 13, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B05C17/015
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A metering and mixing device contains a multichamber cartridge and a cartridge holder having a reception container for the multichamber cartridge and a compressed air connection and a connection for an application device. The reception container has an internal tube arranged coaxially to the walls of the cartridge holder and equipped with static mixing elements. The multichamber cartridge contains an upper portion having a directional valve, a middle portion configured as a tubular empty space surrounded by at least two chambers arranged tubularly in the direction of the longitudinal axis of the cartridge, and a lower portion having a piston for each chamber. The multichamber cartridge is arranged in the cartridge holder such that the inner wall of the inner tube of the multichamber cartridge bears, leak-tight, against the outer wall of the tube of the cartridge holder.