Auxiliary pneumatic device

US3986325A · kind A · utility

Assignee

• Heberlein Maschinenfabrik AG · CH

Inventors

• Helmut Ritter · Wuppertal, DE
• Emil Jung · Wattwil, CH

Key dates

• Filing date: Oct 22, 1974
• Grant date: Oct 19, 1976
• Expiry date: Oct 22, 1994

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2701/31
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Pneumatic yarn aspirating device includes at least one tube, a vacuum source connected to the tube, openings and filament aspirating elements spaced along the tube, and means for controlling the size of the openings.