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1. (US5579942) Vacuum support and rupture disk assembly

Office : United States of America
Application Number: 08530016 Application Date: 19.09.1995
Publication Number: 5579942 Publication Date: 03.12.1996
Grant Number: 5579942 Grant Date: 03.12.1996
Publication Kind : A
IPC:
F16K 17/40
F16K 17/02
F16K 17/16
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
17
Safety valves; Equalising valves
40
with fracturing member, e.g. fracturing diaphragm, fusible joint
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
17
Safety valves; Equalising valves
02
opening on surplus pressure on one side; closing on insufficient pressure on one side
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
17
Safety valves; Equalising valves
02
opening on surplus pressure on one side; closing on insufficient pressure on one side
14
with fracturing member
16
with fracturing diaphragm
Applicants: BS&B Safety Systems, Inc.
Inventors: Palmer Steven S.
Farwell Stephen P.
Chau Tom
Agents: Dougherty, Hessin, Beavers & Gilbert
Priority Data: 08133634 07.10.1993 US
Title: (EN) Vacuum support and rupture disk assembly
Abstract: front page image
(EN)

Vacuum support and rupture disk assembly in which the vacuum support member does not restrict flow through the rupture disk includes a rupture disk having opposite faces defining a plane and a blow-out portion of selected planar dimension; a vacuum support member positionable adjacent a face of the rupture disk and being smaller in planar dimension than the blow-out portion; and a retainer for holding the vacuum support member adjacent the face of the rupture disk and restraining motion of the vacuum support member in all directions except through the rupture disk in such a manner than the entire vacuum support will pass through the blow-out portion if the rupture disk ruptures.