Rupture disc with machined line of opening

Details Rupture disc with machined line of opening Rupture disc with machined line of opening

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/16 (2006.01) B23C 3/30 (2006.01)

Patent

CA 2727031

A reverse acting rupture disc and methods of forming the same are provided. Generally, the rupture disc comprises a bulged portion and a circumscribing flange area surrounding the bulged portion. The bulged portion includes a mechanically formed line-of-opening recess comprising a singular channel. In certain embodiments, the mechanical process by which the recess is formed utilizes a high-speed mill which removes a portion of metal from the bulged portion of the disc without disrupting the substantially uniform metallic grain structure of the metal adjacent the channel.

L'invention porte sur un disque de rupture à action inversée et sur des procédés de formation de celui-ci. De façon générale, le disque de rupture comprend une partie bombée et une zone de rebord circonscrivante entourant la partie bombée. La partie bombée comprend une cavité de ligne d'ouverture mécaniquement formée, comprenant un canal unique. Dans certains modes de réalisation, le traitement mécanique par lequel la cavité est formée utilise une fraise haute vitesse qui enlève une partie de métal de la partie bombée du disque sans rompre la structure de grain métallique sensiblement uniforme du métal adjacent aux canaux.

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