Bulb-type lamp and manufacturing method for the bulb-type lamp
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United States of America Patent
Stats
-
May 18, 2004
Grant Date -
Oct 3, 2002
app pub date -
Mar 19, 2002
filing date -
Mar 27, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To provide a bulb-type lamp in which a globe is fixed to a case without a tilt, and a manufacturing method for the bulb-type lamp. The globe is bonded to a connector using a thermosetting resin, in a state where a neck part of the globe is inserted in a groove of the connector without contacting the bottom of the groove. The connector is then fixed to the case by means of a fitting construction. This makes it unnecessary to perform a heating process to cure an adhesive after an envelope is formed by the globe and the case. Hence the tilting of the globe caused by the thermal expansion of air in the envelope can be prevented.
First Claim
Family
International Classification(s)
Cited Art Landscape
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