Method for manufacturing a vacuum-insulated panel

Abstract

A method for manufacturing a vacuum-insulated panel includes the steps of: providing at least one insulating core material with uneven surfaces, containing the insulating core materials within a bag with an opening, connecting the opening to a vacuum system, vacuumizing the sealed space of a bag to a desired vacuum degree, and sealing the opening of the bag to complete finished products of the vacuum-insulated panel. The surface of the insulating core materials are formed with grooves and the vacuum system only has to vacuumize the sealed space of bag. Therefore, the vacuumizing time can be reduced and production is simpler, more convenient and reliable.

What is claimed is:  
     
         1 . A method for manufacturing a vacuum-insulated panel, comprising: 
 a. providing at least one insulating core material with uneven surfaces;    b. containing the insulating core material within a bag with an opening;    c. vacuumizing the bag through the opening of the bag; and    d. sealing the opening of the bag.    
     
     
         2 . The method of  claim 1 , wherein the uneven surface of the insulating core material is formed by pressing a plurality of grooves on the insulating core material.  
     
     
         3 . The method of  claim 1 , wherein the grooves are formed V-shaped.  
     
     
         4 . The method of  claim 1 , wherein the insulating core material is provided with a plurality of open cells formed which has pores in the 10˜100 micron size range.  
     
     
         5 . The method of  claim 1 , wherein the insulating core material is selected from 100% polystyrene.  
     
     
         6 . The method of  claim 1 , wherein the insulating core material is provided with a plurality of cavities, and a plurality of getters within the cavities.  
     
     
         7 . The method of  claim 1 , wherein the opening of the bag sealed by heat sealing.  
     
     
         8 . The method of  claim 1 , wherein the manufacturing processes of the bag are stacking two films and sealing the three sides of the stacked films to form the bag.  
     
     
         9 . The method of  claim 1 , wherein the insulating core materials are stacked each other.  
     
     
         10 . The method of  claim 9 , wherein the insulating core materials with the uneven surface contact each other to form air passages.