| 摘要 |
<p>The support stay (3) has an integral wall ring bearing (7) for fitting the grid on a supporting wall ring (5). The wall ring bearing can be moulded out from the support stay. Independent claim describes method for manufacturing wall ring bearing on a support stay wherein first a material face is shaped out from the stay above the fixing point of the stay tangentially to the wall ring and then a tongue (7) is angled radially out from this material face.</p> |
