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Couplings for metal tubes

  • US 4,049,295 A
  • Filed: 04/13/1976
  • Issued: 09/20/1977
  • Est. Priority Date: 06/27/1975
  • Status: Expired due to Term
First Claim
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1. A fluid-tight saftey coupling for metal tubes comprising a male conical metal element fixed to a first tube and a female conical metal element fixed to a second tube, said male and female metal elements having surfaces constituting cones of identical pitch, both of said elements being permanent magnets, the female element being formed with a cylindrical recess coaxial with the said female element and located at the narrow end of said female element to receive the end of said first tube therein, in overlapping relation to the end of said second tube.

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