F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 41/14 (2006.01)
Patent
CA 2138535
Method of coupling an end piece to a metallic filtering element for joining the latter to a support (10) and product so obtained. The method is characterized in that an externally cylindrical porous sintered tube (2) is produced, one of its ends having an over thickness delimited by an inner circular truncated cone of apex 1/2 angle ( alpha NOTEQUAL 0); a tubular joining piece with a circular truncated cone shaped head of the same apex 1/2 angle ( alpha ) is produced; the tubular joining piece (5) is forcefully fitted into the tube (2) so as to obtain at the interface an average normal stress greater than 2 MPa.
La présente invention concerne un procédé de fixation d'un embout sur un élémentfiltrant métallique, en vue de sa liaison à son support (10) et le produit ainsi obtenu. Ce procédé est caractérisé en ce que: on réalise un tube fritté poreux (2) extérieurement cylindrique dont l'extrémité présente une surépaisseur délimitée par un tronc de cône circulair interne de 1/2 angle au sommet (.alpha. ? 0); on réalise une pièce de liaison tubulaire munie d'unetête tronconique (6) circulaire de même 1/2 angle au sommet (.alpha.); on emmanche à force la pièce de liaison tubulaire (5) dans le tube (2) afin d'obtenir à l'interface une contrainte normale moyenne supérieure à 2 MPa.
Ackermann Luc
Gueydan Henri
Montfollet Thierry
Tollar Michel
Robic
Sintertech
LandOfFree
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