Riser sleeve, method for producing a riser body for the riser sleeve as well as an expander element and core box for producing a riser body

US11358212B2 · kind B2 · utility

Assignee

• GTP Schäfer Gießtechnische Produkte GmbH · DE

Inventors

• Olof Hilger · Wuppertal, DE
• Jörg Schäfer · Frechen, DE
• Thomas Schäfer · Karlsdorf-Neuthard, DE

Key dates

• Filing date: Feb 12, 2020
• Grant date: Jun 14, 2022
• Expiry date: Feb 12, 2040

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22C9/088
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A riser sleeve (1) for using when pouring metals into a casting mould includes a riser body (2). The riser body (2) includes