Rotatable ultraviolet lamp reflector and heat sink
CA 1083997 A · Owner: Sun Chemical Corporation · Inventors: Helding, Norman A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ultraviolet curing lamp systems consist of parallelmounted, elongated ultraviolet lamps which are mounted within elongated reflectors. The reflectors have water-cooling conduits extending along their exterior surfaces and further have flat, elongated shields extending over the top of the reflector housing. Cooling fluid is introduced into and removed from the cooling channels by coaxial water fittings at opposite corners of the reflector assembly, and the entire reflector assembly and lamp is rotatable about these water inlet and outlet fittings. The parallel assemblies are so disposed that they can illuminate a moving web or sheets of material having radiation curable substances thereon, …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.