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US3834458A Expired / Lapsed US ⏱️ 0.0 years remaining

Pipe heat transfer assembly and method of making same

Assignee: Thermon Manufacturing Co
•
Filing: 1973-06-15
•
Granted: 1974-09-10
•
Expires: 1993-06-15
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Abstract

Abstract Pipe heat transfer assembly and method of making same, wherein a strip of heat transfer material is pre-shaped to a solid flexible form for closely comforming with a heat transfer element for either heating or cooling and which is also pre-shaped to fit closely within an external channel member, whereby the entire assembly may be more easily and rapidly installed with unskilled labor in the field on a pipe to be heated or cooled, using retaining band means as the holding means for the assembly, with the assurance of complete coverage of the heat transfer element by said heat transfer material so as to eliminate air gaps. The heat transfer material may be pre-shaped by molding or extruding, with the heat transfer element embedded therein during such preshaping, or with a preformed space for the heat transfer element. The heat transfer material is solid, capable of retaining its shape, and remains flexible, after pre-shaping, within the normal temperature range to which the material is subjected, preferably within a range of from about 10*F. to about 120*F.

Inventors

  • 👤 J Bilbro
  • 👤 B Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:03
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/54; H05B3/56; B; B23; B23P; B23P15/00; B23P15/26; F; F16; F16L; F16L53/00; F16L53/30; F16L53/35; F16L53/38; H05B3/565; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/442; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 124 words
A method of making a pipe heat transfer assembly adapted for mounting on a pipe or the like having a channel member with heat transfer material and a heat transfer element in the channel member, the improvement comprising the steps of: preshaping heat transfer material to a solid flexible shaperetaining elongated strip prior to mounting said heat transfer material on a pipe or the like; embedding a heat transfer element in said heat transfer material prior to mounting said heat transfer material on such pipe or the like; and, said preshaping including shaping the external surface of said strip to closely conform to the interior of the channel member and to such pipe or the like to which the assembly is to be applied.
Claim 2
Independent Claim 124 words
A method of making a pipe heat transfer assembly adapted for mounting on a pipe or the like having a channel member with heat transfer material and a heat transfer element in the channel member, the improvement comprising the steps of: preshaping heat transfer material to a solid flexible shaperetaining elongated strip prior to mounting said heat transfer material on a pipe or the like; embedding a heat transfer element in said heat transfer material prior to mounting said heat transfer material on such pipe or the like; and, said preshaping including shaping the external surface of said strip to closely conform to the interior of the channel member and to such pipe or the like to which the assembly is to be applied.
Claim 3
Dependent Claim 40 words
The method set forth in claim 1, wherein said embedding includes the steps of: preforming said heat transfer material with a cavity for said heat transfer element; and inserting said heat transfer element into said cavity after the preforming thereof.
Claim 4
Dependent Claim 32 words
The method set forth in claim 1, wherein said heating element includes: a plurality of electric resistance heating wires extending longitudinally of the strip and completely surrounded by said heat transfer material.
Claim 5
Dependent Claim 22 words
The method set forth in claim 1, wherein said heating element includes: a tube for a heat transfer fluid to flow therethrough.
Claim 6
Dependent Claim 34 words
The method set forth in claim 1, wherein: said heat transfer material, after said preshaping, remains flexible without any significant flow within a temperature range of from about 10* F. to about 120* F.
Claim 7
Dependent Claim 64 words
The method set forth in claim 1, including: positioning the channel member over said preshaped heat transfer material with the heat transfer element therewith; mounting said pipe heat transfer assembly on such pipe or the like; and thereafter placing clamping bands around the channel member and such pipe or the like on which the assembly is disposed to secure the assembly to the pipe.
Claim 8
Dependent Claim 23 words
The method set forth in claim 1, wHerein: said heat transfer element is embedded in said heat transfer material during the preshaping thereof.

References Cited (Backward Citations)

US1216313A Cited
US2687626A Cited
US2812412A Cited
US2982992A Cited
US3175282A Cited
US3331946A Cited
DE1600601A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-09-09 1978-03-11 1978-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-09 1982-03-11 1982-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-09 1986-03-11 1986-09-10 $7700.00 Window Closed / Lapsed

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