Method for the manufacture of vacuum tube bases and device for t

Details Method for the manufacture of vacuum tube bases and device for t Method for the manufacture of vacuum tube bases and device for t

1987-04-22

1989-01-31

Lindsay, Robert L.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 5928, 65140, 65155, 445 28, 445 35, 445 44, C03B 2702

Patent

active

048013200

ABSTRACT:
A method for the manufacture of vacuum tube bases wherein to mould bases of electronic tubes shaving conductors of different lengths, a widened opening is made in the upper mould and a distance sleeve with a dead hole is placed in it. This distance sleeve compensates for the difference in length with respect to the longest conductors. Also set forth is a device for application of this method.

REFERENCES:
patent: 2340879 (1944-02-01), Horn
patent: 3257708 (1966-06-01), Stricker
patent: 3276854 (1966-10-01), Felker et al.
patent: 3355274 (1967-11-01), Patriarche et al.
patent: 3551127 (1970-12-01), Stoll
patent: 4341545 (1982-07-01), Hale

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