GB605837A - Improvements in or relating to glass working - Google Patents

Improvements in or relating to glass working

Info

Publication number
GB605837A
GB605837A GB56146A GB56146A GB605837A GB 605837 A GB605837 A GB 605837A GB 56146 A GB56146 A GB 56146A GB 56146 A GB56146 A GB 56146A GB 605837 A GB605837 A GB 605837A
Authority
GB
United Kingdom
Prior art keywords
rod
thimble
glass
metal
blob
Prior art date
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
GB56146A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB56146A priority Critical patent/GB605837A/en
Publication of GB605837A publication Critical patent/GB605837A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors
    • H01J5/40—End-disc seals, e.g. flat header
    • H01J5/42—End-disc seals, e.g. flat header using intermediate part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0034—Lamp bases

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

605,837. Metal-to-glass seals. GENERAL ELECTRIC CO., Ltd., BREADNER, R. L., and SIMMS, C. H. Jan. 7, 1946, No. 561. [Class 36] A glass bead 4 by which a metal rod &c. 3 is insulated from a metal thimble 1 is formed on the rod by feeding a heated plastic glass rod to the rod whilst rotated by a chuck 5, the blob of glass 8, Fig. 2, being shaped (and dimensioned) by means of a profiled roller 6 mounted co-axially with, and adjustably-spaced from, the rod. The thimble 1 is then fitted on to the blob 8 with a bead 9 on the latter seating on the flange 2 of the thimble. For sealing the thimble to the glassed rod, this assembly is then placed in the recessed head 15, Fig. 3, of a jig 12, formed with a chamber 19 which can be evacuated by means of a suction-pipe 26. Radial gas-jets (not shown) are then played on to the thimble 1 to soften the glass which flows down to the shoulder 14 in the head 15.
GB56146A 1946-01-07 1946-01-07 Improvements in or relating to glass working Expired GB605837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB56146A GB605837A (en) 1946-01-07 1946-01-07 Improvements in or relating to glass working

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB56146A GB605837A (en) 1946-01-07 1946-01-07 Improvements in or relating to glass working

Publications (1)

Publication Number Publication Date
GB605837A true GB605837A (en) 1948-07-30

Family

ID=9706536

Family Applications (1)

Application Number Title Priority Date Filing Date
GB56146A Expired GB605837A (en) 1946-01-07 1946-01-07 Improvements in or relating to glass working

Country Status (1)

Country Link
GB (1) GB605837A (en)

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