Swaging apparatus having elastically deformable members with...

Details Swaging apparatus having elastically deformable members with... Swaging apparatus having elastically deformable members with...

B - Operations, Transporting

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B21D 19/00 (2006.01) B21D 39/00 (2006.01) B21D 39/06 (2006.01) B21D 39/20 (2006.01) B21D 41/00 (2006.01)

Patent

CA 1193526

TITLE OF THE INVENTION SWAGING APPARATUS HAVING ELASTICALLY DEFORMABLE MEMBERS WITH SEGMENTED SUPPORTS ABSTRACT OF THE DISCLOSURE A swaging apparatus includes a mandrel to be inserted in a tubular structure that is to be expanded radially. A pair of seals define the axial boundaries of an annular pressure zone between the mandrel and the tubular structure. One or both of the seals includes a support formed by a plurality of arcuate segments elastically held together and presenting a cam surface. A cam member interacts with the cam surface to expand the support radially in response to swaging pressure, thereby preventing inelastic deformation of an elastic member on the high pressure side of the support.

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