Process for producing a substantially tubular housing substantially closed on all sides
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United States of America Patent
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-
Dec 28, 1999
Grant Date -
N/A
app pub date -
Jan 12, 1997
filing date -
Apr 5, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To produce a two-part valve housing inexpensively it is proposed to produce from a sleeve-shaped blank (20) by internal high-pressure forming an intermediate product (10) which corresponds to the first housing part in a section lying on one side of a separating surface (T) and to the second housing part in a section lying on the other side of the separating surface (T). Connection sections (24, 32), adjacent to the separating surface, of the intermediate product (20) have different diameters so that cooperating threads by means of which the housing parts are screwed together can be produced on them.
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