Composite elastomeric spring

F - Mech Eng,Light,Heat,Weapons – 16 – M

Patent

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F16M 7/00 (2006.01) F16F 1/36 (2006.01) F16F 1/373 (2006.01) F16F 1/44 (2006.01) F16F 3/087 (2006.01) F16F 3/093 (2006.01) F16F 7/00 (2006.01)

Patent

CA 2285068

A composite elastomeric spring having a predetermined final shape and including a first member of elastomeric material having a first durometer hardness, and a second member of elastomeric material having a second durometer hardness is disclosed. The second member has a predetermined initial shape complimentary to an initial shape of the first member. The second member is positioned adjacent and in circumferential surrounding relation relative to the first member to define a preform composite spring member. After the second member is positioned about the first member, a force is applied to the preform composite spring member sufficient to simultaneously compress the first member and the second member thereby permanently changing the initial shapes of the first member and second members such that the first and second members are thereafter maintained in captured relationship relative to each other. The force is then removed from and thereby allowing the preform composite spring to transmute to the final shape of the composite elastomeric spring.

L'invention concerne un ressort (26) élastomère composite constitué d'un premier élément élastomère (10) présentant une première dureté au rebondissement et d'un second élément élastomère (20) présentant une seconde dureté au rebondissement. Le second élément (20) présente une forme initiale prédéterminée complémentaire de celle du premier élément (10). Le second élément (20) est adjacent au premier élément (10) et entoure celui-ci. On exerce alors une force suffisante sur le ressort (26) composite de préforme pour comprimer simultanément le premier élément (10) et le second élément (20) et pour déformer de ce fait le premier élément (10) et le second élément (20) de telle sorte que les configurations du premier élément (10) et du second élément (20) sont modifiées définitivement par rapport à leur forme initiale respective prédéterminée. On supprime ensuite la force appliquée au premier élément (10) et au second élément (20).

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