frame heater

A device used to warm plastic spectacle frames in order to soften its material sufficiently to allow insertion of lenses and/or adjustment. Some frame heaters warm air, which is directed to the area of the frame that is to be altered. Others heat salt or glass beads to a given temperature and the part of the frame that is to be altered is placed into the heated material. Syn. frame warmer. See plastic spectacle frame.

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plastic spectacle frame

References in periodicals archive ?

I'm sure I'm not alone in being defeated, after an age spent at the frame heater, by the impossible task of attempting to reduce the length to bend of a thick side.

Poor quality frames hold us back

Minimal gasket frost buildup is achieved with the Halo bypass coil frame heater.

Foamed-in-place urethane insulation creates ultra-low temperatures

That's why in many commercial freezer installations, the doors and frames are heated by internal frame heaters that operate 24/7 to prevent excessive condensation buildup.

Clear improvement: Farm Fresh has an energy-saving scheme that its shoppers can see right through

An exterior mounted door frame sensor modulates the door and frame heaters as needed.