| 摘要 |
<p>PURPOSE: To manufacture a web at a low cost and to provide high safety in an extruding process to a cylinder housing member. CONSTITUTION: A web has plural parts 8a, extending in the longitudinal direction of the web 7 of a built-in double lock cylinder and counterposed to each other. These parts 8a are stamped sheet metal parts or cast parts, which can be produced in very cot-effective manner. Two outer parts 8a form a shell 8, into which a stamped interior part 12 of steel has been inserted. The two outer parts 8a can be produced cost-effectively as cast parts, for example of zinc, aluminum or a plastic material, and the interior part 12 can be produced as a stamped sheet metal part.</p> |
