Insulator apparatus for vacuum insulated tubing

Pipes and tubular conduits – Distinct layers – With intermediate insulation layer

Reexamination Certificate

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Details

C138S148000, C138S114000, C138S120000, C138S155000, C138S110000, C285S047000, C285S053000, C166S241700, C166S241400

Reexamination Certificate

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07134455

ABSTRACT:
An insulating apparatus for use with vacuum insulated tubing sting to reduce heat loss through the joints, where the apparatus includes an insulator adapted to surround the joint and a latching joint protector adapted to surround the insulator and hold the insulator against the joint, where the protector also includes a channel for receiving injection and/or control tubing. The insulator is capable of reducing heat loss through the joints of a vacuum insulated tubing string by as much as 95%.

REFERENCES:
patent: 2594551 (1952-04-01), Morgan
patent: 3740801 (1973-06-01), Sears et al.
patent: 4332401 (1982-06-01), Stephenson et al.
patent: 4340245 (1982-07-01), Stalder
patent: 4415184 (1983-11-01), Stephenson et al.
patent: 4422504 (1983-12-01), Moore
patent: 4484785 (1984-11-01), Jackson
patent: 4543998 (1985-10-01), Thomerson
patent: 4615543 (1986-10-01), Cannon
patent: 4635967 (1987-01-01), Stephenson
patent: 2004/0178626 (2004-09-01), Segreto

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