Squirm resistant filament

Details Squirm resistant filament Squirm resistant filament

1978-09-25

1980-06-17

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Incandescent lamps

313341, 313344, H01K 142, H01K 908

Patent

active

042086094

ABSTRACT:
Low wattage incandescent lamp filaments have improved squirm resistance when wound with low mandrel ratios and high pitch ratios. Squirm resistant is further enhanced when the filament is mounted under tension.

REFERENCES:
patent: 3462631 (1969-08-01), Hashimoto et al.
patent: 3522466 (1970-08-01), Kamegaya et al.

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