| 摘要 |
<p>A portable dispenser for semi-solids such as toothpaste, margarine or jam comprises a container (10) for the semi-solid (11) provided at an outlet end (14) with a discharge assembly (12) controlled by a valve (48) and having movable in its other end a plunger (19) biased by a compression spring (17) to apply pressure to the semi-solid (11). The loading of the spring (17) can be adjusted by relatively rotating the container (10) and a base unit (16) so that the container (10) is telescopically received into the base unit (16). The discharge assembly (12) is releasably connected to the container (10) by a bayonet joint (13) and flow through its passage (38) is controlled by a screw (39). In a modification the semi-solid (11) is introduced into the container (10) prepacked in a flexible cartridge. Two alternative discharge assemblies are also disclosed.</p> |
