Grinding beaker and laboratory mill with a grinding beaker

摘要

Grinding beaker (1) with a filling volume of less than or equal to 250 ml for receiving of the grinding stock for the comminution, the homogenization and / or mixing of sample material in a laboratory mill, with a arranged in the grinding beaker and during the operation of the rotating milling tool (4), with a grinding beaker cover (3) and with a grinding beaker bottom (2), wherein the grinding beaker (1) and a during the grinding operation of stationary devices adaptation (5) to be detachably connected to each other and the grinding beaker (1) during the grinding operation on the devices adaptation (5) is held, wherein a on the grinding tool (4) rotatably engaging in the grinding beaker bottom (2) supported shaft (6) by means of the grinding beaker (1) according to the outside and / or downwardly and a coupling projection (7) has supports or with a with a motor shaft (8) of the laboratory mill counter-coupling part (9) is connected, for torque transmission, can be coupled and wherein a sealing means in the region of a in the grinding beaker bottom (2) off the provided arranged and / or is formed, characterized in that the sealing action of the sealant is independent of the clutch status of the coupling projection (7) and that of the counter coupling piece (9) is.