Dispenser for pasty materials
Abstract
Abstract 1. Dispenser for pasty materials, with a housing (1) having a piston (2) shiftable in the emptying direction only, and with an outer actuating handle (H) formed on a headpiece (5) compressible in the direction of the piston in a concertina-like manner and having a dispenser outflow orifice (·O), from which extends an inwardly directed tube (7) dipping freely into the pasty material by means of its inner mouth end in any position of the concertina (B), characterized in that underneath the inner mouth end (7") of the tube (7) in the ceiling (8) of the housing (1), from which extends an attachment collar (6) for the concertina (B), there is a flap valve (9) with a through-orifice (10) located in the direction of the tube (7) (arrow z).
Inventors
- 👤 Herbert Mettenbrink
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.