Society of Glass Technology · [Sheffield] · leaf 506
lass,is inserted in the machine and the cam disc, 5, is set in motion, thuscausing a slight raising of the gathering end of the blow pipe. Inthis raised position the marvering roller, 39, is brought up intocontact with the glass, and held there under the action of a spring,which causes the glass to… … Fig. 47. vertically. During this swinging movement the marvering roller islifted clear of the mould by the action of cam tracts, 58, and 59as shown by the dotted lines. S. E. 97. Method of and Apparatus for Finishing Bulbs. W. R. Burrows, Newark, New Jersey, U.S.A. Assignor to GeneralElectric…
Glass
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