Cellular element

Beds – Bedclothing – And means to facilitate changing thereof

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128 33, 137869, 251 611, A47C 2708

Patent

active

046513698

ABSTRACT:
In a cellular element the individual cells (1) are connected via a narrowed passage (2) to another cell or to a duct (3), which can be connected via a valve to a first pressure source. Hollow, expansible bodies (4) of an elastic, yielding material are placed in the duct and/or in one or more cells (1). The bodies (4) are interconnected via one or more yielding organs (5) in such a way that when they expand, they prevent outflow from the cells (1).
The yielding organ or organs (5) may appropriately be tubes connecting the interior of the expansible bodies (4) with a second pressure source.
An expansible body (4) may be placed in each cell (1), and the yielding organ or organs (5) is/are then shaped and dimensioned in such a way that when the body (4) is expanded, it bears against the mouth of the passage (2) into the cell (1) and tightens it.

REFERENCES:
patent: 2391906 (1946-01-01), Kearney
patent: 2575240 (1951-11-01), Thompson
patent: 2751933 (1956-06-01), Urteaga
patent: 3008465 (1961-11-01), Gal
patent: 3320750 (1967-05-01), Haise et al.
patent: 3822425 (1974-07-01), Scales
patent: 3909858 (1975-10-01), Ducker
patent: 4448228 (1984-05-01), Hashimoto
patent: 4467999 (1984-08-01), Ritter
patent: 4552133 (1985-11-01), Kawaguchi
Michelitsch, "Valve", 10/5/1964, p. 367, IBM Technical Disclosure Bulletin.

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