Apparatus for manufacturing diaphragms

Details Apparatus for manufacturing diaphragms Apparatus for manufacturing diaphragms

1990-07-17

1992-05-19

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Means for molding powdered metal

Continuous length product formation

425373, B22F 318

Patent

active

051143267

ABSTRACT:
In an apparatus of manufacturing diaphragms, a layer of a difficulty flowable metal powder is applied to a support, a wire net is rolled onto the powder layer and the latter is compacted at the same time and the metal powder is fired at 800.degree. to 1500.degree. C. in an oxidizing atmosphere. In order to impart to the diaphragms a constant thickness, strength and density, the metal powder is uniformly distributed and applied as regards its bulk volume to the support and the powder layer is moved under a distributing roller rotating opposite to the direction in which the powder is fed.

REFERENCES:
patent: 1930287 (1933-10-01), Short et al.
patent: 2341732 (1944-02-01), Marvin
patent: 2917821 (1959-12-01), Fritsch
patent: 3194858 (1965-07-01), Storchheim
patent: 3403999 (1968-10-01), Bliss
patent: 4172111 (1979-10-01), Donnelly
patent: 4325995 (1982-04-01), Tamura et al.
patent: 4670214 (1987-06-01), Magnuson et al.

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