Patent ID: 9539775
Date: 2017-01-10
CPC Classifications: B29C,B29D,B63B,F17C,Y10T

Claim:
1. A device for bonding an auxiliary secondary barrier to exposed portions of a main secondary barrier, which are exposed between upper heat insulation boards adjacent to each other and spaced apart from each other in a liquefied natural gas (LNG) storage tank comprising a lower heat insulation board, the main secondary barrier, and upper heat insulation boards which are successively stacked between an inner hull and a primary barrier, the device comprising: a frame; a driving unit of which a portion is mounted on the frame, the driving unit allowing the frame to move on the upper heat insulation boards corresponding to the exposed portion of the main secondary barrier; an adhesive applying unit mounted on the frame to apply an adhesive onto the exposed portion; an auxiliary secondary barrier supply unit mounted on the frame to supply the auxiliary secondary barrier onto the applied adhesive; and a heater disposed on the frame to heat the auxiliary secondary barrier to be supplied on the applied adhesive, wherein the heater comprises: