A method for manufacturing a highly airtight thermal insulation container and the thermal insulation container manufactured therefor
A thermal insulation container and a manufacturing method technology, applied in the direction of thermal insulation containers, containers, non-pressure containers, etc., can solve the problems of cracked glass glue, non-insulation of vacuum insulation containers, and easy drop of glass glue, so as to prolong the service life and ensure Insulation effect, not easy to break effect
Active Publication Date: 2019-09-10
FOSHAN KEITH TITANIUM TECH CO LTD
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Problems solved by technology
[0002] The existing tailless vacuum insulated container manufacturing method is to use glass glue to seal the cavity outside the container body at the bottom of the container body. However, because the container body is made of metal, and the glass glue is a non-metallic material, the glass glue and the glass glue are non-metallic materials. The degree of fusion and adhesion of the main body of the container is not good, and the glass glue is easy to crack due to high temperature or vibration. The service life of the insulated container is greatly shortened
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[0026] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0027] The manufacture method of the airtight strong thermal insulation container of the present embodiment, as figure 1 shown, including the following steps:
[0028] In step A, an exhaust groove 111 sunken from the outside to the inside is provided at the bottom of the housing 11, and the low-temperature sealing layer 2 is welded at the depression of the exhaust groove 111, so that the exhaust groove 111 and the low-temperature sealing layer 2 forming a composite layer 3;
[0029] Step B, setting vent holes 31 in the composite layer 3;
[0030] Step C, installing the inner shell 12 in the outer shell 11 to form a container body 1, and the container body 1 forms a thermal insulation cavity 13 between the outer shell 11 and the inner shell 12;
[0031] Step D, such as figure 2 As shown, the con...
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The invention discloses a manufacturing method of a high-airtightness insulated container and the manufactured insulated container. The manufacturing method comprises the steps that A, an exhaust groove which sinks from outside to inside is formed in the bottom of an outer shell, a low-temperature sealing layer is welded to the sinking portion of the exhaust groove, and therefore the exhaust groove and the low-temperature sealing layer constitute a composite layer; B, an exhaust hole is formed in the composite layer; C, an inner shell is mounted in the outer shell to form a container body, and the container body forms an insulated cavity between the outer shell and the inner shell. The low-temperature sealing layer and the outer shell are both made of metal materials, accordingly, compared with glass cement, the fusion degree of the low-temperature sealing layer and the outer shell is better; moreover, the metal low-temperature sealing layer is not prone to breakage, and the low-temperature sealing layer and the outer shell are closely attached without a clearance, so that the low-temperature sealing layer is not likely to fall after long-time using, air is effectively prevented from entering the insulated cavity through the exhaust hole, the insulation effect of the vacuum insulated container is guaranteed, and the service life of the vacuum insulated container is prolonged.
Description
technical field [0001] The invention relates to the field of vacuum heat preservation containers, in particular to a method for manufacturing a highly airtight heat preservation container and the heat preservation container manufactured therefor. Background technique [0002] The existing tailless vacuum insulation container manufacturing method is to use glass glue to seal the cavity outside the container body at the bottom of the container body. However, because the container body is made of metal, and glass glue is a non-metallic material, glass glue and glass glue are non-metallic materials. The degree of fusion and adhesion of the main body of the container is not good, and the glass glue is easy to crack due to high temperature or vibration. The service life of the insulated container is greatly shortened. Contents of the invention [0003] The object of the present invention is to propose a method for manufacturing a highly airtight heat-insulation container and th...
Claims
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IPC IPC(8): B65D81/38A47G19/22A47J41/02
Inventor 刘敏业
Owner FOSHAN KEITH TITANIUM TECH CO LTD