Metal deforming – With cutting – By composite tool
Patent
1998-01-08
1999-11-02
Crane, Diane C.
Metal deforming
With cutting
By composite tool
B21D 2810
Patent
active
059748516
ABSTRACT:
The present invention provides an improved rupture disk apparatus and manufacturing method. The apparatus includes a rupture disk having at least one area of weakness formed by the displacement of material through a partial shearing motion. The weakened area is capable of withstanding pressure cycling because the rupture disk flange acts to support the weakened area during use. The apparatus further includes a safety member adjacent to the rupture disk on the outlet side to ensure opening, the safety member having at least one rupture-initiating, stress-concentrating point positioned to contact the rupture disk weakened area.
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BS&B Systems, Inc.
Crane Diane C.
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