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Expired
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GB16458/32A
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Individual
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Individual
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Publication of GB386533ApublicationCriticalpatent/GB386533A/en
H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
H01R33/05—Two-pole devices
H01R33/46—Two-pole devices for bayonet type base
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Mutual Connection Of Rods And Tubes
(AREA)
Abstract
386,533. Moulding internally-threaded rings by pressing plungers and dies. SAVARY, A., 49, Boulevard Victor Hugo, Clichy, Seine, France. June 10, 1932, No. 16458. Convention date, Feb. 23. Addition to 386,223, [Group XI]. [Class 87 (ii).] A ring 22 with an internal screw thread consisting of a single turn, to act as the shadering of an electric lampholder, is made in a mould consisting of pieces 23, 24 enclosing a recess in which the body of the ring is formed, and dies 18, 19 with interlocking projections 20, 21 to form the screw thread.
GB16458/32A1932-02-231932-06-10Improvements in electric lamp holders
ExpiredGB386533A
(en)