Glass manufacturing – Combined
Patent
1977-12-05
1978-10-17
Kellogg, Arthur D.
Glass manufacturing
Combined
65 60R, 118 48, 118 61, C03C 1700
Patent
active
041206827
ABSTRACT:
The present invention relates to an installation for superficially treating the outer surfaces of glass bottles which are already shaped but not yet annealed.
The installation comprises a tunnel in which the bottles can be longitudinally displaced and subjected to the action of a gaseous reaction mixture comprising air and a gaseous reagent. Said mixture is produced in an evaporator which is supplied with hot liquid reagent and is traversed by a current of air for evaporating the liquid reagent.
The tunnel has at an inlet for the bottles, two lateral inlet openings for admitting gaseous reactive mixture and, at an outlet for the bottles, a collector for collecting the mixture. The tunnel has a recycling conduit provided with a sucking fan and a cooler and extending from the collector to two derived conduits which open into the two inlet openings so as to obtain over the entire length of the path of the bottles and around said bottles in the tunnel a flux of constantly recycled gaseous reactive mixture.
The evaporator has at least one drop-by-drop feed member arranged to deliver liquid reagent at an adjustable flow rate by hot, filtered and dehydrated air to form substantially continuously added portions of gaseous reactive mixture. Said portions are suitably heated and continuously introduced into the recycling conduit to be homogenized with the recycled flux of the gaseous reactive mixture.
REFERENCES:
patent: 2155932 (1939-04-01), Davis
patent: 2899528 (1959-08-01), Reichelt
patent: 3353514 (1967-11-01), Lyle
patent: 3438803 (1969-04-01), Dubble et al.
patent: 3561940 (1971-02-01), Scholes
patent: 3658304 (1972-04-01), Hall et al.
patent: 3659551 (1972-05-01), McKinstry
Institut National du Verre
Kellogg Arthur D.
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