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PROCESS FOR THE CONNECTION BY SETTING OF COLLECTORS ON WATER-BOXES OF HEAT EXCHANGERS

  • US 3,793,701 A
  • Filed: 12/01/1970
  • Issued: 02/26/1974
  • Est. Priority Date: 12/04/1969
  • Status: Expired due to Term
First Claim
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1. A method for joining together two sections each having external flanges of substantially rectangular shape, comprising the steps of:

  • positioning the two sections with their external flanges in engagement;

    disposing around said flanges an annular plastically deformable magnetically responsive metal ring approximating the crosssectional contour of the said flanges;

    disposing at least one substantially rectangular resilient electrically conductive metal collar in surrounding relation to said annular distortable ring; and

    connecting said at least one metal collar to a pulse power generator whereby said collar is energized thus magneto forming said ring while resiliently deforming a suitable portion of said collar whereby the ring will be uniformly deformed onto said flanges.

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