Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
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Mark Duffield & Sons Ltd
Original Assignee
Mark Duffield & Sons Ltd
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Filing date
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Application filed by Mark Duffield & Sons LtdfiledCriticalMark Duffield & Sons Ltd
Application grantedgrantedCritical
Publication of GB190527139ApublicationCriticalpatent/GB190527139A/en
Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices
(AREA)
Spark Plugs
(AREA)
Abstract
27,139. Duffield & Sons, M., and Upton, J. Dec. 29. Incandescent gas and oil burners.- The lower end of the mantle d, Fig. 1, is protected by being contained in an annular groove formed by the inner and outer rims a, b and a flange c on a collar, preferably of brass or copper, or of porcelain, earthenware, or steatite, and adjustable on the burner e by means of one or more set-screws f. The protector w, Fig. 4, may be attached to the chimney gallery t. In modifications, the lip q, Fig. 3, on the shorter outer rim p is sprung over an annular bulge o; or the inner rim may be made lower, and a flange sprung into a groove in the outer rim.
GB190527139D1905-12-291905-12-29A New or Improved Protector for Incandescent Mantles for Incandescent Gas Lighting and the like.
ExpiredGB190527139A
(en)