Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1990-02-20
1991-07-09
Walberg, Teresa J.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
34 78, F22B 128
Patent
active
050308050
ABSTRACT:
A condensation heating apparatus particularly useful for curing abrasion resistant coatings on eyeglass lenses has an open topped chamber with a baffle assembly for reducing the loss of vapor through the open top. The baffle assembly includes a fixed vertical partition and a removable, L-shaped baffle that has a horizontal portion to cover part of the chamber and a vertical portion which also serves as a partition. The baffle assembly extends only partially into the chamber and terminates above the top of the vapor zone so that the assembly does not become hot to the touch.
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3M Technical Bulletin No. 98-0211-2168-0 "Curing Polymer Thick Film Inks by Vapor Phase Condensation Heating".
3M Bulletin Y-INRDP, "Vapor Phase Soldering with Perfluorinated Inert Fluids".
Grenfell Mark W.
Koenig Timothy A.
Pignato, Jr. John A.
Christoff James D.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Walberg Teresa J.
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