Method for producing fluid flow regulators

Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting

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Details

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

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