Coating processes – Nonuniform coating – Metal – glass – or ceramic base
Patent
1999-02-26
2000-12-12
Bareford, Katherine A.
Coating processes
Nonuniform coating
Metal, glass, or ceramic base
2988921, 219 8522, 228 52, 416213R, B05D 500
Patent
active
061595454
ABSTRACT:
Material in fluid form is applied to a region where a joint is to be formed between an airfoil and an adjacent structure by simultaneously directing streams of the material into the joint region on the suction side of the airfoil and into the joint region on the pressure side of the airfoil. The material may be so applied using a syringe type applicator that has a nozzle with a first arm and a second arm. The first arm is in flow communication with a source of the material and the suction side surface of the airfoil. The second arm is flow communication with a source of the material and the pressure side surface of the airfoil. Applying the material simultaneously to the joint regions on the suction side and the pressure side of the airfoil reduces the amount of time and effort needed to apply such material. In addition, it virtually eliminates the possibility that the material deposited in the joint region on one side of the airfoil will harden prior to the deposition of the material in the joint region on the other side of the airfoil, and therefore reduces the likelihood that the braze material on the one side will be displaced from the joint region while depositing the material on the other side, as sometimes occurs in the prior art.
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Ultra System, dispensing components, EFD, ". . . the key to productive dispensing . . . ", 12 pages (1995) (no month date).
Operating Guide 800/900 Series Dispensers, Model 800. 815. 900. 915, 24 pages (1995) (no month date).
Bareford Katherine A.
United Technologies Corporation
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