DUAL-PURPOSE PLATE FOR WRITING AND WARMING

DUAL-PURPOSE PLATE FOR WRITING AND WARMING

  • CN 85,205,866 U
  • Filed: 12/28/1985
  • Issued: 11/26/1986
  • Est. Priority Date: 12/28/1985
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of dual-purpose platen of heating of writing, having glass table top (1), architectural surface (2), tetra-pack has the backing plate (5) of right angle bound edge (8), it is characterized in that backing plate (5) is that the insulation and thermal insulation material is made, between architectural surface (2) and backing plate (5), be provided with the electrothermal layer (3) that has power supply wiring (4).

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