(under subclass 287) Apparatus having (1) means thereon capable of absorbing large quantities of heat and used as a heat absorber or reservoir, or (2) barrier means preventing heat from reaching a portion of an apparatus or stock.
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103, for a process reshaping a glass preform utilizing a heat shield or sink.
104, for a process of reshaping a glass preform which includes a step of fire polishing, tempering or annealing.
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126, Stoves and Furnaces, 400, for a heat accumulator, per se.
