Mixing capsule

US6884071B2 · kind B2 · utility

Assignee

• 3M ESPE AG · DE

Inventor

• Mathias Martin · Deggendorf, DE

Key dates

• Filing date: Feb 15, 2001
• Grant date: Apr 26, 2005
• Expiry date: May 3, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S366/602
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A mixing capsule, especially for the production of dental materials, comprises a cartridge that is closed on one end by a piston. The piston has a hemispherical recess that forms a secondary chamber and is closed off from the main chamber of the cartridge by a separating device. A body that is provided in the initial state in the main chamber is used to facilitate the mixing process and to penetrate the separating device at the beginning of the process, whereby the main chamber and the secondary chamber form a single mixing area. The body preferably disintegrates during the mixing process.