Apparatus for making a diaphragm assembly and method of making the apparatus
US4915285A · kind A · utility
Inventor
Key dates
| Filing date | Jul 12, 1989 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | Jul 12, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53974
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
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 s…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.