Electrical heating device

• US 3,287,684 A
• Filed: 02/27/1964
• Issued: 11/22/1966
• Est. Priority Date: 02/27/1964
• Status: Expired due to Term

• Current Assignee: Armbruster J.R. Albert
• Original Assignee: Armbruster J.R. Albert
• Inventors: ARMBRUSTER JR ALBERT
• Application Number:
  US04/347,866
• Time in Patent Office: 999 Days
• US Class Current: 338/211
• CPC Class Codes: H05B 2203/013 Heaters using resistive films or coatings
• CPC Class Codes: H05B 2203/017 Manufacturing methods or apparatus for heaters
• CPC Class Codes: H05B 3/06 Heater elements structurally combined with coupling elements or holders
• CPC Class Codes: H05B 3/26 heating conductor mounted on insulating base for transparent areas H05B3/84, H05B3/86

Claims

1. AN INTEGRAL ELECTRICAL HEATING DEVICE COMPRISING:

AN ELECTRICALLY NON-CONDUCTING SUBSTRATE OF READILY CUTTABLE MATERIAL;

A LAYER OF ELECTRICAL RESISTANCE MATERIAL SECURED TO SAID ON-CONDUCTINNG SUBSTRATE;

AT LEAST FIRST AND SECOND HEADER BUS BARS SECURED TO SAID NON-CONDUCTING SUBSTRATE, SAID FIRST AND SECOND HEADER BUS BARS LYING ALONG THE SAME EDGE OF SAID LAYER OF ELECTRICAL RESISTANCE MATERIAL AND BEING ADAPTED TO BE CONNECTED TO A POWER SUPPLY;

A PLURALITY OF DISTRIBUTION BUS BARS OF PRINTABLE ELECTRICALLY CONDUCTING MATERIAL DISPOSED SUBSTANTIALLY PARALLEL TO EACH OTHER AND IN CONTACT WITH AND ALONG SAID LAYER OF ELECTRICAL RESISTANCE MATERIAL;

SAID HEADER BUS BARS AND SAID DISTRIBUTION BUS BAR BEING FABRICATED OF PRINTABLE ELECTRICALLY CONDUCTING MATERIAL;

A FIRST GROUP OF SAID PLURALITY OF DISTRIBUTION BUS BARS CONNECTED TO SAID FIRST HEADER BUS BAR AND A SECOND GROUP OF SAID PLURALITY OF DISTRIBUTION BUS BARS CONNECTED TO SAID SECOND HEADER BUS BAR, SAID FIRST GROUP OF DISTRIBUTION BUS BARS TRANSMITTING CURRENT THROUGH SAID ELECTRICAL RESISTANCE MATERIAL TO SAID SECOND GROUP OF DISTRIBUTION BUS BARS TO GENERATE HEAT AS SAID CURRENT PASSES THROUGH SAID ELECTRICAL RESISTANCE MATERIAL.