Process for manufacturing tire segments

US4185065A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Ulrich Knipp · Bensberg, DE
• Paul Vente · Leverkusen, DE

Key dates

• Filing date: Dec 8, 1977
• Grant date: Jan 22, 1980
• Expiry date: Dec 8, 1997

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29D30/08
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

This invention relates to a process for the manufacture of a tire in segments in a closed mold wherein the internal surface of the mold determines the shape of the external surface of the tire segments, comprising: PA1 (a) radially moving from the center of a mold towards the internal surface of the mold a molding tool which determines the shape of the internal surface of the tire segments while leaving a space between said molding tool and said internal surface of said mold, said space conforming to the shape of said tire segments; PA1 (b) filling said space between said molding tool and said internal surface with a plastic compound; and when said plastic compound is solidified, PA1 (c) moving said mold or said molding tool in the circumferential direction so that the next segment follows immediately upon the segment already produced.