Thermoplastic heating apparatus

Details Thermoplastic heating apparatus Thermoplastic heating apparatus

1989-09-18

1991-06-18

Walberg, Teresa J.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

392423, H05B 342

Patent

active

050251376

ABSTRACT:
An apparatus for heating thermoplastic sheet material which includes a knockdown frame which slideably supports a plurality of heating rods thereon. The heating rods have a configuration adapted to localize heat on the thermoplastic sheet material and is provided with a support surface for the thermoplastic sheet material which precludes marring of the thermoplastic material. The apparatus further includes a control box for regulating the amount of heat transmitted to the sheet material and a fence structure configured as a substantially inverted T. Indicia is supported on the frame in order to facilitate using the apparatus.

REFERENCES:
patent: 2022466 (1935-11-01), Hess
patent: 3587956 (1971-06-01), Oelke
patent: 3782615 (1974-01-01), Webster
patent: 3847712 (1974-11-01), Hubbard
patent: 3916148 (1975-10-01), LaFleur
patent: 4244771 (1981-01-01), Pierce
patent: 4897030 (1990-01-01), Vajtay

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