Safety pressure relief device

A pressure relief bursting disc (1) has a flange portion (2), a sloping portion (3) interior of the flange portion (2) and a dished portion (4) interior of the sloping portion. The sloping portion (3) has its wider end joined to the flange portion (2) and slopes up from the flange portion (2) in a f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MATTISON, MARK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A pressure relief bursting disc (1) has a flange portion (2), a sloping portion (3) interior of the flange portion (2) and a dished portion (4) interior of the sloping portion. The sloping portion (3) has its wider end joined to the flange portion (2) and slopes up from the flange portion (2) in a first direction and is joined at its narrower end directly to the dished portion (4). The dished portion (4) has its concave side facing in the first direction. In use pressure is applied to the concave side of the dished portion. The disc has a line of weakness, in the sloping portion (3). This shape achieves reliability of the burst strength, because the sloping portion buckles at the burst strength.