Heating apparatus and method

Heating – Processes of heating or heater operation – Treating an article – container – batch or body as a unit

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Details

266134, 432 64, 432197, 432225, F27D 500, C21D 162, F24F 900, F27B 1500

Patent

active

045809720

ABSTRACT:
Apparatus for heating a plastic pipe 18 or the like comprises a body portion having inner and outer parts 1,2 defining therebetween an annular cavity 3 which receives the end of the pipe. In use of the apparatus, hot fluid is pumped through the cavity 3 via flow passages 7-11 whereby to heat the pipe 18 sufficiently e.g. for moulding purposes. The fluid is prevented from escaping from the open end of the cavity 3 by means of compressed air supplied via ports 15.

REFERENCES:
patent: 1117401 (1914-11-01), Klone
patent: 3186698 (1965-01-01), Thome
patent: 4203721 (1980-05-01), Hayes et al.
patent: 4204823 (1980-05-01), Hayes et al.
patent: 4437453 (1984-03-01), Temple et al.

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