Metal deforming – Process – Deforming sheet metal
Patent
1989-11-07
1991-10-22
Smith, James G.
Metal deforming
Process
Deforming sheet metal
21912171, 2191217, F22B 128
Patent
active
050584138
ABSTRACT:
In a rupture disc, wherein the disc includes a central dome shaped member, there is provided an improvement by using a pattern of spaced apart small holes in the rupture disc. The pattern of holes has at least one series of aligned holes extending interiorly from the edge of the disc across the central dome shaped member. There is also disclosed a method of manufacturing the same.
REFERENCES:
patent: 3704807 (1972-12-01), Lidgard
patent: 3971910 (1976-07-01), Marschalko
patent: 4046280 (1977-09-01), Hansen
patent: 4681656 (1987-07-01), Byrum
patent: 4973819 (1990-11-01), Thatcher
Lavinder Jack
Smith James G.
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