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Metal composite vacuum plate with edge sealed by seal strip and manufacturing method thereof
A metal composite vacuum plate with the edge sealed by a seal strip comprises a face plate, a connecting layer and a vacuum cavity and is characterized in that the face plate is a metal plate, the connecting layer enables the face plate and the vacuum cavity to be connected to form a whole, the face plate and/or the connecting layer provide/provides additional strength for the vacuum cavity and ensure/ensures the smoothness of the vacuum cavity under atmospheric pressure, the vacuum cavity is formed by welding a low-carbon steel plate in a vacuum furnace by utilizing a glass solder under the high vacuum and high temperature, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the low-carbon steel plate is matched with the coefficient of thermal expansion of the glass solder, and a support is arranged in the vacuum cavity and is independently manufactured or is directly formed on the vacuum cavity. A manufacturing method of the metal composite vacuum plate is simple in process, the air impermeability of the vacuum cavity of the metal composite vacuum plate can be effectively ensured, the service life of the metal composite vacuum plate can be prolonged, and strength and heat-insulation, sound-insulation and fireproof performance can be improved.
Metal composite vacuum plate with edge sealed by seal strip and manufacturing method thereof
A metal composite vacuum plate with the edge sealed by a seal strip comprises a face plate, a connecting layer and a vacuum cavity and is characterized in that the face plate is a metal plate, the connecting layer enables the face plate and the vacuum cavity to be connected to form a whole, the face plate and/or the connecting layer provide/provides additional strength for the vacuum cavity and ensure/ensures the smoothness of the vacuum cavity under atmospheric pressure, the vacuum cavity is formed by welding a low-carbon steel plate in a vacuum furnace by utilizing a glass solder under the high vacuum and high temperature, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the low-carbon steel plate is matched with the coefficient of thermal expansion of the glass solder, and a support is arranged in the vacuum cavity and is independently manufactured or is directly formed on the vacuum cavity. A manufacturing method of the metal composite vacuum plate is simple in process, the air impermeability of the vacuum cavity of the metal composite vacuum plate can be effectively ensured, the service life of the metal composite vacuum plate can be prolonged, and strength and heat-insulation, sound-insulation and fireproof performance can be improved.
Metal composite vacuum plate with edge sealed by seal strip and manufacturing method thereof
DAI CHANGHONG (author)
2015-07-01
Patent
Electronic Resource
English
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