Method and apparatus for making continuous foam glass product

Details Method and apparatus for making continuous foam glass product Method and apparatus for making continuous foam glass product

1975-12-17

1977-07-26

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

With pore forming in situ

65 18, 65 88, 65 89, 65144, 65145, 65192, 264 458, 264122, 425817C, 425DIG108, C03B 1908

Patent

active

040380637

ABSTRACT:
A continuous process for the manufacture of cellular ceramic product. Ceramic feed material is transported successively through a preheat kiln section, through a foaming section whereat foaming agent mixed with the ceramic feed material is activated, and into a drawing kiln section. An elongate hollow product can be formed by drawing the foamed ceramic while soft around and past a hollow mandrel to form an elongate hollow cylindrical member.

REFERENCES:
patent: 2257681 (1941-09-01), Haux
patent: 2322581 (1943-06-01), Lytle
patent: 3441396 (1969-04-01), D'Eustachio et al.
patent: 3473904 (1969-10-01), Kraemer et al.
patent: 3767373 (1973-10-01), Velev

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