Ultraviolet drying apparatus

Details Ultraviolet drying apparatus Ultraviolet drying apparatus

1975-08-20

1977-04-05

Sprague, Kenneth W.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 1, 34 41, 219348, 250504, F26B 328

Patent

active

040153401

ABSTRACT:
Ultraviolet radiating means for curing and drying non-solvent ink which has been applied to a substrate during a printing or coating process, the radiating means including a plurality of elongated parallel ultraviolet lamp assemblies mounted to radiate against the non-solvent ink as the substrates are passed in front of the lamp assemblies. The lamp assemblies are slideably mounted in side by side relation in a module which is in turn slideably received in a housing. The lamp assemblies each include an ultraviolet lamp mounted in a elongated reflector shaped to reflect the ultraviolet radiation emitted from the lamp and to focus it to form a narrow band. The lamp assemblies are mounted in the housing so as to be freely rotatable from a curing position to a position where they are directed toward a heat exchanger. The lamp assemblies may also be mounted so that a pair of the lamps will direct ultraviolet radiation at the same area on the substrate. The housing is also provided with means for forcing air therethrough for cooling the lamp assemblies to prevent overheating.

REFERENCES:
patent: 3733709 (1973-05-01), Bassemir
patent: 3829982 (1974-08-01), Pray et al.
patent: 3935647 (1976-02-01), Aschberger

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