| 摘要 |
The invention refers to a capsule (1) for moulding blanks for the extrusion of objects, especially of pipes and similar elongated airtight objects of metal in particular those which are described in the Swedish patent application nr. 7908702-9 at which above the front and rear end of the inner pipe (2) which is furnished with lubricant in the form of glass powder and or by a roll of glass-wool (7) which has almost the same dimensions as the inner pipe and has a covering plate or covering lid set up (6,8) which has a somewhat greater diameter than outer diameter of the inner pipe (2) and which is concentrically placed above the inner pipe (2) and closely welded fast on the plane end surfaces (4) of the liner (3, 9) along the edge surfaces (4) of the cover plate (6, 8).<IMAGE> |
