Global Patent Index - EP 0910267 A1

EP 0910267 A1 19990428 - ELECTRIC LIQUID HEATING VESSELS

Title (en)

ELECTRIC LIQUID HEATING VESSELS

Title (de)

ELEKTRISCH BEHEIZTER WASSERERHITZER

Title (fr)

RECIPIENTS SERVANT A RECHAUFFER DES LIQUIDES A L'ELECTRICITE

Publication

EP 0910267 A1 19990428 (EN)

Application

EP 97926114 A 19970613

Priority

  • GB 9701598 W 19970613
  • GB 9612357 A 19960613
  • GB 9613028 A 19960621

Abstract (en)

[origin: WO9747223A1] There is disclosed a method of preventing corrosion of the liquid contacting surface of a stainless steel base part of an electric liquid heating vessel. According to the method the surface is provided with a layer of glass, glass ceramic or ceramic. The surface is preferably pre-treated by grit blasting with alumina grit having a nominal size of 180-220 mesh. The grit blasting technique may be used to treat other steel surfaces which are to receive a glass layer.

IPC 1-7

A47J 27/21

IPC 8 full level

A47J 27/21 (2006.01); A47J 36/02 (2006.01); A47J 36/42 (2006.01); H05B 3/26 (2006.01)

CPC (source: EP)

A47J 27/21041 (2013.01); A47J 27/21166 (2013.01); A47J 36/02 (2013.01); A47J 36/42 (2013.01); H05B 3/262 (2013.01)

Citation (search report)

See references of WO 9747223A1

Designated contracting state (EPC)

DE ES FR GB IT NL

DOCDB simple family (publication)

WO 9747223 A1 19971218; CN 1195272 A 19981007; EP 0910267 A1 19990428; GB 2331219 A 19990512; GB 2331219 B 20001122; GB 9827497 D0 19990210

DOCDB simple family (application)

GB 9701598 W 19970613; CN 97190686 A 19970613; EP 97926114 A 19970613; GB 9827497 A 19970613