发明名称 Perfectionnement aux dispositifs de protection des glissières de machines-outils
摘要 923,618. Machine-tool details. DEREFA, ETABLISSEMENT POUR LE DEVELOPPEMENT, RECHERCHES ET FABRICATIONS INDUSTRIELLES. May 24, 1961 [May 27, 1960], No. 18752/61. Class 83 (3). [Also in Group XXIV] In a machine tool, air is blown between a slideway and a collapsible covering element 11a of plastics, leather or metal sheeting to prevent the ingress of dust. In a milling and boring machine, the spindle head 3 is displaceable vertically on a horizontally-movable column 1. Air is drawn from an external pipe 35 and blown through ducts 33, 27, the outlets beneath the telescopic element 11a being controlled by valves 29. Similar air supply means are provided for the covering means 11b, 44a.
申请公布号 FR1267192(A) 申请公布日期 1961.07.21
申请号 FR19600828333 申请日期 1960.05.27
申请人 DEREFA, ETABLISSEMENT POUR LE DEVELOPPEMENT, RECHERCHES ET FABRICATIONS INDUSTRIELLES 发明人
分类号 B23Q11/00;B23Q11/08;F16C29/08 主分类号 B23Q11/00
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