| 摘要 |
The device (1000), for dispensing viscous or pasty material (42), such as sealing materials or adhesives, comprises a drive unit (2) in a housing (3), by means of which a main guide rod (1) which may be connected at the front end thereof to a piston (5, 500) is mounted such as to be axially movable, introducible into a main cylinder (9) and connectable to the drive unit (2) on the drive side by first assembly means (8′, 23) and retains at least one sealing element (7, 71; 700; 701) on the front side thereof by means of two assembly means (8; 800). The piston (5; 500) driven by the main guide rod (1) acts on the material (42) and forces the same out of the main cylinder (9) through the sealing element (7, 71; 700; 701). According to the invention, an auxiliary cylinder (900) held coaxially in the main cylinder (9) and filled with the material (42) for dispensing, is provided, which has the sealing element (700; 701) retained by the second assembly means (8; 800) on the front thereof and the piston (500) is arranged therein on the drive side, which may be driven by the main guide rod (1).
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