Diaphragm capsule for pressure monitors

Details Diaphragm capsule for pressure monitors Diaphragm capsule for pressure monitors

1979-10-05

1981-11-10

Hershkovitz, Abraham

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

73715, 220 4B, 220306, F16J 302

Patent

active

042991595

ABSTRACT:
A diaphragm capsule for pressure monitors comprises a capsule body 12 and a capsule cap 14 with a diaphragm 16 clamped between the two. The capsule cap 14 and a ring 18 are formed integrally of plastics by injection molding and joined by webs 30. The ring 18 is subdivided into resilient segments 36 by slots 34 located below the webs 30. At their inner sides the segments 36 each have a nose 38 by means of which they are locked behind an annular shoulder 22 formed at the capsule body 12. Between the resilient segments 36 and the capsule cap 14 spaces 32 are left free whose dimensions in a plane parallel to the diaphragm 16 are just as large as the dimensions of the nose 38 underneath which are parallel to said first dimensions. (FIG. 1)

REFERENCES:
patent: 2667184 (1954-01-01), Hailer
patent: 2959194 (1960-11-01), Mercier
patent: 3593958 (1971-07-01), Mueller
patent: 3769879 (1973-11-01), Lofquist, Jr.
patent: 4136603 (1979-01-01), Doyle, Jr.

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