Ointment applicator

US5219448A · kind A · utility

Assignee

• Bramlage GmbH · DE

Inventor

• Ludger Hackmann · Löhne, DE

Key dates

• Filing date: Dec 3, 1984
• Grant date: Jun 15, 1993
• Expiry date: Dec 3, 2004

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D83/76
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

According to the invention the packing container, which is shaped as a cartridge (1) having diverging wall openings (5), has at its rear end, which is equipped with a collar (4) for insertion in an application handle (A), an insertion region of larger cross section for a piston (10) which is adapted to the front smaller cross section of the cartridge, with an air-pervious perforation contact between piston sealing surface and inner wall of the region (9) of larger cross section, the end of which region is closed by a membrane (15) which can be pierced by a piston rod (16) of the application handle (A).