Metal deforming – By application of fluent medium – or energy field – Using fixed die
Patent
1988-07-11
1989-05-09
Jones, David
Metal deforming
By application of fluent medium, or energy field
Using fixed die
72 58, 294211, B23P 1700
Patent
active
048277487
ABSTRACT:
A forming tool including a mandrel having nuts threaded on its exterior at both ends with an outer cylindrical surface between the nuts, a forming assembly positioned around said mandrel between said nuts, the forming assembly including a pair of end rings having inner lips extending axially along said outer cylindrical surface and an overhang with a re-entrant recess between the joining of the lip with the remainder of the end ring, a resilient sleeve having its ends bonded within said re-entrant recesses of said end rings and extending in surrounding relationship to said cylindrical mandrel surface, means surrounding each end of said sleeve adjacent said end rings to prevent extrusion of the material of said sleeve, seals for sealing between the exterior of said mandrel and the interior of said end ring lips, and means for supplying pressure to the interior of said sleeve to move it radially outward with sufficient force to form a member surrounding the tool outward.
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Cameron Iron Works USA Inc.
Jones David
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