Metal fusion bonding – Process – With clamping or holding
Patent
1989-07-12
1990-04-10
Godici, Nicholas P.
Metal fusion bonding
Process
With clamping or holding
228 47, 292814, B23K 112, B23K 3102
Patent
active
049152858
ABSTRACT:
An apparatus for automatically brazing the opposed ends of a capillary tube respectively to connecting parts of a bulb and a diaphragm unit and a method of making the apparatus are provided, the apparatus comprising a rotatable table and a plurality of work stations disposed in spaced apart relation about the table and each having an operating device, the table having a plurality of fixtures each being adapted to hold an assembly of the bulb and diaphragm unit in a fixed relation relative to each other with the capillary tube assembled to the connecting parts thereof, the table being adapted to index through the work stations so that the devices at the work stations can each perform its specific operation on the respective assembly disposed at that particular station during a predetermined dwell time in the movement of the table, the device of one of the station comprising a movable arm for applying a flux to the assembly, the device of another of the stations comprising a movable arm for preheating each assembly in an area thereof that is to be brazed, the device of still another of the stations comprising a movable arm for soldering each assembly at the connecting parts thereof so that the ends of the capillary tube are respectively brazed to the connecing parts of the bulb and the diaphragm unit thereof, each device having structure that is adapted to move its arm thereof from an out position to an in position so as to perform its operation on the assembly disposed at its respective work station, the moving structure of each device being adapted to move its respective arm from its out position to its in position in a substantially straight-line manner.
REFERENCES:
patent: 3765591 (1973-10-01), Cook
Godici Nicholas P.
Heinrich Samuel M.
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