A new or improved packing ring for stuffing boxes

摘要

446,869. Stuffing - box packing. NAAMLOOZE VENNOOTSCHAP MACHINERIEEN - EN APPARATEN FABRIEKEN MEAF, 30, Croeselaan, Utrecht, Holland. July 11, 1935, No. 19875. Convention date, Aug. 31, 1934. [Class 122 (v)] Rubber &c. elastic rings e are housed in soft metal, e.g. lead rings d of L-section. The limbs of the L-ring may be separately formed and apertures g may be provided for passage of lubricant from a space f to the shaft.