Flexible diaphragm construction

The longevity and safety of pressure-responsive, flexible diaphragms is improved by providing laminated construction of sealing and reinforcing layers that "breathe" through a portion of their cross sections. In one embodiment the flexible diaphragm comprises a laminate having a layer of p...

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Bibliographische Detailangaben
Hauptverfasser:	NILLES, JOHN D, KIVIOJA, OLAF E, HANSEN, III, CHARLES C
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONTROLLING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING PHYSICS PISTONS REGULATING SEALINGS SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The longevity and safety of pressure-responsive, flexible diaphragms is improved by providing laminated construction of sealing and reinforcing layers that "breathe" through a portion of their cross sections. In one embodiment the flexible diaphragm comprises a laminate having a layer of perforated fabric-like reinforcing material on the low pressure side and a layer of impermeable elastomeric sealing material on the high pressure side with or without an additional layer of said fabric, with or without perforations on the high pressure side and with the areas of bond between the reinforcing material and sealing material being substantially continuous. In another embodiment the laminate comprises an inner layer of perforated fabric-like material bonded to outer layers of perforated elastomeric material on the low pressure side. The elastomeric sealing material layer on the high pressure side of this latter embodiment may be perforated.