Mold apparatus for forming profile employing reinforcing preform

US4381908A · kind A · utility

Assignee

• Werkzeugbau Wolfgruben GmbH · DE

Inventor

• Manfred Roth · Munich, DE

Key dates

• Filing date: Mar 5, 1981
• Grant date: May 3, 1983
• Expiry date: Mar 5, 2001

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S264/83
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A form box for manufacturing a form, which form box is adapted to hold a reinforcing preform in position during the period of time that an expanding foam mass is injected into the area between the reinforcing preform and the form box. Pins are secured to the form box and project inwardly into the form cavity in which is located the reinforcing preform. The free ends of the pins engage the reinforcing preform to hold same in a fixed position during the period of time that the expanding foam mass is injected into the cavity between the reinforcing preform and the form box.