Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – With solid heat exchange means contacting work
Patent
1977-05-18
1978-05-02
McIntosh, John P.
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
With solid heat exchange means contacting work
291215, 69 30, 101367, 118260, 432 60, G03G 1320, G03G 1520
Patent
active
040868710
ABSTRACT:
Improved lubricator roll for uniformly applying low viscosity lubricant to surfaces such as fusing rolls used in copying or reproduction machines. The roll has a longitudinal array of apertures for dispensing low viscosity lubricant contained in the roll and a longitudinal, interior strip which scoops lubricant into an annular reservoir formed between the strip and the roll. The annular reservoir provides a head on the lubricant near the dispensing apertures so that lubricant is dispensed therefrom over approximately three-fourths of each revolution, regardless of the level of lubricant in the roll. The reservoir-forming strip also modulates the amount of lubricant present in the reservoir so that the roll apertures alternately dispense oil and vent the roll.
REFERENCES:
patent: 1614547 (1927-01-01), Elliott
patent: 2237429 (1941-04-01), Harrington
patent: 3718116 (1973-02-01), Thettu
patent: 3964431 (1976-06-01), Namiki
Rydeen Robert L.
Vandervort John D.
Alexander Cruzan
Barnes John C.
McIntosh John P.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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