Low stress casing joint configuration

Details Low stress casing joint configuration Low stress casing joint configuration

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 1/00 (2006.01) F42B 3/28 (2006.01)

Patent

CA 2209649

A pulverable casing (10) includes a housing (12) which is made from a ceramic material and which defines a circular housing closure surface (18). There is a cover (14) on the housing (12). The cover (14) is also made from a ceramic material and defines a circular cover closure surface (20). Cover (14) has a rounded conical exterior surface (24) that defines a skirt angle S of about 120°. The cover closure surface (20) is dimensioned and configured to engage the housing closure surface (18) to define a housing-cover joint (22) which defines a joint angle .alpha. of about 130°. In a particular embodiment, the exterior surface (24) of the cover (14) is rounded to a radius of about 1.8 inches and has a diameter D of about 3.28 inches.

Boîtier (10) pulvérisable qui comporte un logement (12) constitué d'un matériau céramique et définissant une surface (18) de fermeture de logement circulaire. Ledit logement (12) est complété par un couvercle (14), également constitué d'un matériau céramique et définissant une surface (20) de fermeture de couvercle circulaire. Le couvercle (14) possède une surface extérieure (24) conique arrondie qui définit un angle de jupe (S) d'environ 120°. La surface (20) de fermeture du couvercle possède des dimensions telles et est configurée de telle façon qu'elle vient en contact avec la surface (18) de fermeture du logement pour définir un raccord (22) logement-couvercle définissant un angle de raccord 'alpha' d'environ 30°. Dans un mode de réalisation spécifique, la surface (24) extérieure du couvercle (14) est arrondie jusqu'à un rayon d'environ 1,8 pouce et possède un diamètre D d'environ 3,28 pouces.

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