Defrosting heater, and manufacturing method thereof

A defrost heater, in which the strength of an insertion force needed for inserting a second glass tube in a plug is specified to be smaller than that needed for inserting a first glass tube in a plug. Thereby, dispersion in the insertion force needed for attaching the plug with a double glass tube c...

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Bibliographic Details
Main Author MORIKAWA YUKIO,ONISHI ICHIRO,MAEDA TOSHIKI
Format Patent
LanguageEnglish
Published 16.05.2007
Subjects
BLASTING
COLD ROOMS
COMBINED HEATING AND REFRIGERATION SYSTEMS
COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HEAT PUMP SYSTEMS
HEATING
ICE-BOXES
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
REFRIGERATION OR COOLING
REFRIGERATORS
WEAPONS
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Summary:A defrost heater, in which the strength of an insertion force needed for inserting a second glass tube in a plug is specified to be smaller than that needed for inserting a first glass tube in a plug. Thereby, dispersion in the insertion force needed for attaching the plug with a double glass tube can be reduced, and the assembling efficiency is improved.
Bibliography:Application Number: CN2002822548