| 摘要 |
Apparatus for extruding an extrudable material, the apparatus comprising a hollow, elongated member (1) for receiving said extrudable material; an outlet from said elongated member through which said extrudable material is extruded; plunger means (20) slidably mounted within said elongated member (1) for urging said extrudable material toward said outlet and an inlet (16) to said elongated member (1) for introducing a drive liquid into said elongated member (1) to drive said plunger means (20). Preferably, the inlet (16) is suitable for connection to a domestic water supply. Preferably the plunger means comprises a piston having a body portion with a resilient skirt portion.
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