Patent ID: 11897207
Assignee: LG ENERGY SOLUTION, LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 9:
10. The sealing device of claim 1, wherein the heater part comprises a plurality of main heaters disposed in a first common plane and a plurality of auxiliary heaters disposed in a second common plane that is spaced apart from the first common plane by a predetermined distance,
wherein the plurality of main heaters comprises a first main heater disposed over a central portion of a first lateral side of the sealing block and a second main heater disposed over a central portion of a second lateral side of the sealing block, and
the plurality of auxiliary heaters comprises a first auxiliary heater disposed at the first lateral side of the sealing block and a second auxiliary heater disposed at the second lateral side of the sealing block.