Heating – Heating apparatus element having protective cooling structure – Work skid or rail structure
Patent
1976-03-15
1977-09-20
Camby, John J.
Heating
Heating apparatus element having protective cooling structure
Work skid or rail structure
432236, 138149, 138147, F27B 914
Patent
active
040493717
ABSTRACT:
Pipe insulating units are disclosed which can be slipped radially over the pipe. The units are formed such that two adjacent pieces interlock to form a set which completely surrounds the pipe and which has parallel faces which are abutted by the parallel faces of adjacent sets. The units and sets are then held together by bolting or other means. Each unit comprises a circular piece of insulating material having a hole in the center thus forming an annular disc. This annular disc has a portion of the annulus omitted with this omitted portion having sides which are parallel to each other and which are tangent to the periphery of the hole in the center. The sides of this omitted portion extend outwardly to the periphery of the disc. Formed integrally therewith on one face of the disc is an outwardly extending portion in the area bonded by extensions of the parallel sides of the omitted portion and on the opposite of the center hole from the omitted portion. Two units are placed over the pipe with their outwardly extending portions facing each other and oriented such that the outwardly extending portions will fit into the omitted portions of the other disc when the units are pushed together. A plurality of these sets are placed over the pipe as needed and then bolted or otherwise held together. If desired, ceramic wool fiber may be placed between the pipe and the insulating units so as to form a vibration cushion.
REFERENCES:
patent: 926423 (1909-06-01), Kelly
patent: 2435362 (1948-02-01), Morton
patent: 2884879 (1959-05-01), Corriston
patent: 3189371 (1965-06-01), Swan
patent: 3820947 (1974-06-01), Boto et al.
patent: 3881864 (1975-05-01), Nicol
Bernelike Richard H.
Camby John J.
Combustion Engineering Inc.
Yuen Henry C.
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