Apparatus for sensing a glass ribbon edge and method of use

Details Apparatus for sensing a glass ribbon edge and method of use Apparatus for sensing a glass ribbon edge and method of use

1982-06-30

1984-04-03

Kellogg, Arthur D.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 996, 651823, 651824, C03B 1806

Patent

active

044405596

ABSTRACT:
Nip width of a glass ribbon advancing on a molten metal bath is determined by repeatedly, at selected intervals, advancing an edge detector from a first home position toward and into contact with the ribbon edge and then back to a second home position. The first and second home positions are compared at the end of each interval to determine nip width and/or change in nip width. The facilities for determining nip width include a detector responsive to fluid pressure changes. Facilities are also taught relating to measurement of substrate displacements by contacting the substrate edge with a pivotal member to activate an electrical system.

REFERENCES:
patent: 3482954 (1969-12-01), Yuen
patent: 3500548 (1970-03-01), Mitsumo
patent: 3528795 (1970-09-01), Swillinger
patent: 3794477 (1974-02-01), Farabaugh et al.
patent: 3805072 (1974-04-01), Goerens et al.
patent: 3977858 (1976-08-01), Taguchi
patent: 3998616 (1976-12-01), Farabaugh
patent: 4008062 (1977-02-01), Nishikori et al.
patent: 4337076 (1982-06-01), Shaw

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