Insulation pen
The invention belongs to the field of school supplies, in particular to an insulation pen. The insulation pen comprises a penholder and a refill, and is characterized in that the outer layer of the penholder is covered by a heating layer, wherein the tail part of the penholder is provided with a cav...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention belongs to the field of school supplies, in particular to an insulation pen. The insulation pen comprises a penholder and a refill, and is characterized in that the outer layer of the penholder is covered by a heating layer, wherein the tail part of the penholder is provided with a cavity; a button battery is arranged in the cavity; the tail end of the penholder is provided with a control switch. The insulation pen has the beneficial effects that the insulation pen can be conveniently and comfortably used in cold environments, convenience is brought to the life of people, and the insulation pen has a simple structure, is low in cost and is easy to generalize. |
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