B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 35/38 (2006.01) A45F 3/20 (2006.01) A47G 21/18 (2006.01)
Patent
CA 2338763
A diaphragm (22') for use with a fluid carrying conduit (70) or an inner body 12 including a diaphragm portion (22) for use with an outer body (14) where the diaphragm (22') or the diaphragm portion (22) has a concave outer surface (26), a convex inner surface (28), a slit (32) extending from surface (26) to surface (28), and a notch defined by two walls (40, 42) at outer surface (26). The walls (40, 42) preferably diverge towards the outlet end (20) so that upon deflection of diaphragm (22') or diaphragm portion (22), a greater minimum gap (46) for fluid movement is created when compared to the minimum gap (48) of a diaphragm not having the notch. The notch may have a cross section shape of a "V", a "U", or a three section rectilinear form, and may be formed at either surface depending upon the direction of diaphragm deflection.
L'invention porte sur une membrane se montant dans un conduit où circule un fluide et comportant une partie cylindrique (24) présentant une surface intérieure, une surface extérieure, une extrémité amont, et une extrémité aval. Une partie (22) de la membrane coextensive avec l'extrémité aval du cylindre (24) comporte une fente allongée (32) empêchant le passage du fluide lorsqu'elle est fermée, et le permettant lorsqu'elle est ouverte. Ladite fente présente en outre une entaille (40, 42) divergeant en direction de l'extrémité aval de la partie (22) de la membrane.
Getzewich Lee A.
Lea James M.
Cascade Designs Inc.
Moffat & Co.
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