Wire-stranded hollow coil body, a medical equipment made...

Details Wire-stranded hollow coil body, a medical equipment made... Wire-stranded hollow coil body, a medical equipment made...

2006-10-10

2006-10-10

Flanagan, Beverly M. (Department: 3739)

Metal deforming

By deflecting successively-presented portions of work during...

To form helical coil or tube

C140S004000, C140S034000, C140S07100R, C138S027000, C138S130000, C138S134000, C072S146000, C072S371000, C600S139000

Reexamination Certificate

active

07117703

ABSTRACT:
A wire-stranded hollow coil body (1) has a multitude of coil line elements (2) stranded along a predetermined circular line to form a flexible wire tube having a central axial hollow portion (3), the flexible wire tube is stranded under a strand-turn resistant load and heat treated to remove a residual stress upon formation so as to provide a high rotation-following capability and a high straightness. Further, a method provides a way to strand the coil line elements (2) under a strand-turn resistant load while heat treating the coil line elements (2).

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