Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1984-01-18
1986-12-30
Czaja, Donald
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
264219, B29C 3300
Patent
active
046327916
ABSTRACT:
The invention relates to a method of making a fluid flow regulator, in which an elastic ring acts in response to pressure against a profiled core or an inner surface of a casing. It is possible with this method to perform matching of the regulators to a desired value quickly and without excessive waste. To this end the casting moulds for the profiled core or the inner surface are finish-machined in a certain way in dependence on the flow characteristic of the regulator.
REFERENCES:
patent: 3694610 (1972-09-01), Saito et al.
patent: 4224976 (1980-09-01), Blazek
patent: 4495038 (1985-01-01), Inoue
Keppel Wolf D.
Mannesmann Reinhard C.
Czaja Donald
Fertig Mary Lynn
Mannesmann Reinhard Carl
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