C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
117/100
C03C 25/00 (2006.01) C03C 1/00 (2006.01) C03C 1/02 (2006.01)
Patent
CA 1115144
ABSTRACT A method is disclosed for processing waste glass strands and/or fibrous filaments which are produced In the course of operating a glass fiber forming plant for subsequent reuse as batch ingredients for a glass fiber forming process. The method described involves controlled thermal treatment of the waste glass strands and/or filaments to produce particulate glass which can be recycled to a fiber glass forming furnace. The reprocessing of waste glass strands and/or filaments reduces substan- tially the raw material cost involved in feeding glass batch ingredients to a glass fiber forming operation. Apparatus for accomplishing the repro- cessing of the waste glass filaments and/or strands in accordance with the method disclosed is also described.
315420
Barch Herbert W.
Chardello Patrick C.
Grodin Martin A.
Harvey Frank E.
Borden Ladner Gervais Llp
Ppg Industries Inc.
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