Apparatus and method for attenuating glass ribbon

Glass manufacturing – Processes – Forming product or preform from molten glass


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651824, C03B 1806




An edge roll apparatus for engaging the marginal edge portion of a hot ribbon of glass, including a body portion and circumferentially positioned teeth. The teeth are shaped to establish at least a angle between the surface of the glass and the leading and outwardly directed edges of the teeth during at least one half of a tooth's engagement path to improve gripping ability.

patent: 3520672 (1970-07-01), Greanler et al.
patent: 3661548 (1972-05-01), Ito et al.
patent: 3713797 (1973-01-01), Lawrenson
patent: 3929444 (1975-12-01), May et al.
patent: 4157908 (1979-06-01), Gagne


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