Heater for bending plastic pipe

Details Heater for bending plastic pipe Heater for bending plastic pipe

1999-03-19

2000-03-07

Yeung, James C.

Heating

Heat applicator having structure for mounting it on or...

432224, 432226, 219521, 392379, F24J 300

Patent

active

060332131

ABSTRACT:
An apparatus for heating plastic pipe includes an outer housing having distal first and second open ends and a diffuser plate mounted inside of and spaced apart from the top of the outer housing. An inlet extending through the housing is positioned for directing heated air to impinge on the diffuser plate. A mount positions the diffuser plate within the housing such that when the plastic pipe is disposed in the housing through the open ends of the diffuser plate does not contact the pipe. First and second end caps are disposed at the distal first and second open ends respectively. The end caps have first and second apertures therethrough for supporting and centering the plastic pipe such that the diffuser plate does not contact the pipe.

REFERENCES:
patent: 778016 (1904-12-01), Doran
patent: 1407412 (1922-02-01), Harvey et al.
patent: 2881755 (1959-04-01), Diehl
patent: 3466020 (1969-09-01), Blinne
patent: 3957032 (1976-05-01), Jelesko
patent: 4437453 (1984-03-01), Temple et al.
patent: 5853289 (1998-12-01), Todd

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