Process for shaping a reinforcement on the extremities of the in

Details Process for shaping a reinforcement on the extremities of the in Process for shaping a reinforcement on the extremities of the in

1992-07-20

1994-04-12

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

Assembling or joining

29446, 29512, 294695, 72370, B21D 3500

Patent

active

053014146

ABSTRACT:
A method for the manufacture of an elastic joint, which includes positioning an external casing member, an internal casing member and an elastomeric compound such that the external casing member surrounds the internal casing member, and such that the elastomeric compound is situated between the exterior surface of the internal casing member and the interior surface of the external casing member, and radially expanding an end portion of the internal casing member to thereby form an annular reinforcement on the end portion of the internal casing member, the step of radially expanding the end portion of the internal casing member being carried out by contacting a die member a plurality of times with the end portion of the internal casing member, the step of contacting the die member a plurality of times with the end portion of the internal casing member being carried out such that the force applied by the die member against the end portion of the internal casing member is exerted along different axes relative to the end portion of the internal casing member at different times.

REFERENCES:
patent: 3768289 (1973-10-01), Mink
patent: 4452063 (1984-06-01), Sebastiani et al.
patent: 4845972 (1989-07-01), Takeuchi et al.
patent: 4923226 (1990-05-01), Bartholomew
Donald R. Dreger, "Noiseless Cold Forging," Machine Design, Jan. 10, 1974, pp. 107-109.

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