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Apparatus and method for maintaining low temperatures about an object at a remote location

  • US 4,340,405 A
  • Filed: 10/29/1980
  • Issued: 07/20/1982
  • Est. Priority Date: 10/29/1980
  • Status: Expired due to Term
First Claim
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1. An apparatus for maintaining cryogenic temperatures about an object for an extended period of time in a remote location comprising:

  • a housing;

    a body comprising a material having a high specific heat at cryogenic temperatures disposed within said housing, said body comprising an orifice for receiving said object; and

    means for conducting cryogenic coolant to said body to lower its temperature to at least about 2 to about 15 K.

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