Method for producing a ring support with a sheet metal...

Details Method for producing a ring support with a sheet metal... Method for producing a ring support with a sheet metal...

2006-02-28

2006-02-28

Banks, Derris H. (Department: 3725)

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

C029S527500, C029S557000, C029S888073, C029S890128, C092S176000, C092S186000, C123S041160, C123S041340, C123S041350, C123S041360, C123S254000, C164S075000, C164S098000

Reexamination Certificate

active

07003878

ABSTRACT:
The invention relates to a method for producing a ring support (1) with a sheet metal cooling channel welded thereon (5), which is transfused later with an aluminium melt for producing a piston. The aim of the invention is to improve the production of openings (4) for supplying and removing oil. Said openings are produced even before the transfusion of the cooled ring support. When the alfin pretreament of the cooling ring supports occurs, said cooling channel is filled with melt and emptied again during removal front the alfin bath.

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