Method and device for installing a header cap on a water header

Details Method and device for installing a header cap on a water header Method and device for installing a header cap on a water header

1995-04-27

1996-06-25

Cuda, Irene

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29732, 2989003, B23P 1526

Patent

active

055288278

ABSTRACT:
A method for installing a header cap on a water header both positioned on a stator coil. The method includes the steps of creating a generally smooth surface on the water header for providing a mating surface on the water header. A seal is interposed between the mating surface of the water header and the header cap for providing a material used to provide a sealed boundary between the cap and mating surface. The header cap and the mating surface of the water header are placed in abutting relationship with the seal for forming a layered, contiguous connection. A pressure device is attached in operative association with the header cap for operatively applying a pressure to the header cap. A spring which is received by the pressure device is compressed for applying a constant and unidirectional pressure to the pressure device which, in turn, transmits the constant and unidirectional pressure to the header cap. The connection is finally heated for brazing the header cap and water header together and for forming a seal.

REFERENCES:
patent: 3603498 (1971-09-01), Cook
patent: 4155157 (1979-05-01), Gusbacher
patent: 4909429 (1990-03-01), Ankrom et al.
patent: 5020714 (1991-06-01), Miles et al.

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