F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 33/035 (2006.01) F16B 2/08 (2006.01) F16L 47/00 (2006.01)
Patent
CA 2485625
The invention relates to an open-type hose clamp. The invention provides a clamp, comprising clamping band means (111) having clamping band end portions intended to form overlapping inner and outer band portions (111b and 111a) in the installed condition, a connection operable to connect overlapping band portions, a plastically deformable tightening device (13, 113) for tightening the clamping band means about an object to be fastened thereby, said tightening device requiring an initial plastic deformation for proper functioning, characterized in that said connection includes a lost-motion means (131, 170; 231, 331; 431) enabling partial contraction of the tightening device (13, 113) during at least a part of the initial plastic deformation substantially without change in the diametric dimension of the clamp.
L'invention porte sur un collier de serrage ouvert (111) dont les extrémités (111a, 111b) se recouvrant constituent une partie intérieure et une partie extérieure (111a, 111b) reliées l'une à l'autre par une connexion (131, 170). La partie extérieure comprend un élément à déformation plastique (113) serrant le collier sur l'objet à brider, et requérant une déformation plastique initiale pour agir efficacement. Un élément de guidage (121, 163') placé au bout (13) de la partie intérieure (111b) guide le déplacement relatif des parties se recouvrant (111a, 111b) pendant la déformation plastique de l'élément (113). Ladite connexion (131, 170) comporte un système de jeu permettant d'effectuer la déformation initiale du collier (111) sans en sensiblement modifier le diamètre, ce qui évite la mise en place d'un collier (111) sous-dimensionné.
Hans Oetiker Ag Maschinen - Und Apparatefabrik
Kirby Eades Gale Baker
LandOfFree
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