THERMAL INSULATING CASING FOR LUNCH-BOX

THERMAL INSULATING CASING FOR LUNCH-BOX

  • CN 85,200,712 U
  • Filed: 04/10/1985
  • Issued: 06/04/1986
  • Est. Priority Date: 04/10/1985
  • Status: Active Grant
First Claim
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1. " lunch box stay-warm case " is a kind of household utensil to the delicatessen insulation of the heat that covers on the inside, is to be made by insulation material it is characterized in that:

  • The a stay-warm case is made of shell (1) and insulation material (2).The b stay-warm case is to be made of foamed plastics (4).The c stay-warm case is by silver-plated double-glass vacuum courage, about protective layer (9) and, and seat (11) constitutes.

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