Patent ID: 8616022

Claim:
An apparatus for manufacturing a float glass, comprising: a bottom block in which molten metal is stored and floats; a loop block positioned above and covering the bottom block; side seals disposed between the loop block and the bottom block; wherein the bottom block, the loop block, and the side seals define a float chamber, and wherein the loop block has at least one hole formed therethrough and a lower surface facing the float chamber; a heater installed through the at least one loop block hole; and a fragment intercepting member installed within the at least one loop block hole for preventing fragments generated at the loop block from falling onto the bottom block through the at least one loop block hole; wherein the fragment intercepting member includes a packing body of refractory material surrounding the heater and contacting both the heater and a surface of the loop block exposed on an inner wall of the hole and a flange protruding from the packing body so as to contact the lower surface of the loop block.