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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||228/176 ; 228/184 ; 29/455R ; 215/12R|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 10 인용 특허 : 0|
A process for producing a metal vacuum bottle composed of internal and external shells made of metal, said process comprising the steps of brazing the seamed portion formed between said two shells through a vacuum heating treatment for an assembly of the vacuum bottle accommodating a getter to be sealed therewithin, and of enhancing the vacuum degree between said shell by maintaining the temperature of activating the getter for a certain period of time.
A process for producing a metal vacuum bottle composed of internal and external shells respectively made of metal in which a seam between said two shells is formed simultaneously with an evacuation between said two shells by a vacuum brazing operation, said process characterized in comprising a step of brazing an assembly of the vacuum bottle at said seamed portion thereof through a vacuum heating treatment, said assembly being formed in a predetermined shape and constructed by assembling the internal and the external shells together and accommodating a ...