(19)
(11) EP 0 209 224 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
30.03.1988 Bulletin 1988/13

(43) Date of publication A2:
21.01.1987 Bulletin 1987/04

(21) Application number: 86303722

(22) Date of filing: 15.05.1986
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(30) Priority: 17.05.1985 US 735409

(71) Applicant: RAYCHEM CORPORATION (a California corporation)
 ()

(72) Inventors:
  • Batliwalla, Neville Sam
     ()
  • Shafe, Jeff
     ()
  • Oswal, Ravinder K.
     ()

   


(54) Sheet heaters


(57) Electrical sheet heaters which comprise electrodes secured to a surface of a resistive element, a dielectric layer intimately bonded to the resistive element and to the electrodes, and an outer insulating layer. The heater is illustrated in Figure 1.







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