Apparatus for hydraulically expanding a tube

Details Apparatus for hydraulically expanding a tube Apparatus for hydraulically expanding a tube

B - Operations, Transporting

21

C

205/24

B21C 37/00 (2006.01) B21D 39/06 (2006.01) B21D 39/20 (2006.01)

Patent

CA 1063065

APPARATUS FOR HYDRAULICALLY EXPANDING A TUBE ABSTRACT OF THE DISCLOSURE A mandrel that forms an annular space when inserted within a tube and has O rings adjacent each end and a leading end having a tapered portion and a spring cooperatively associated with the O ring to facilitate sliding the mandrel into the tube and forming a fluid-tight seal adjacent the leading end of the mandrel so that pressurized fluid can be introduced into the annular space to expand the tube into engagement with a tube sheet.

303635

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