| 摘要 |
713,109. Casting composite articles. N.S.U. WERKE.-GES. Dec. 11, 1951 [Dec. 15, 1950], No. 28999/51. Drawings to Specification. Class 83 (1). [Also in Group XXVII] A lining for the inlet passage of an internalcombustion engine, (see also Group XXVII], is fixed in a chill mould and the cylinder head cast around it. The lining, in the form of a tube, is he'd in place in the mould by extensions of the tube which are removed after casting. |
