Global Patent Index - EP 0894418 A4

EP 0894418 A4 2000-02-23 - COMPACTION OF SHEATHED ELECTRIC HEATING ELEMENTS

Title (en)

COMPACTION OF SHEATHED ELECTRIC HEATING ELEMENTS

Title (de)

VERFAHREN ZUM VERDICHTEN VON UMMANTELTER ELEKTRISCHE HEIZKÖRPER

Title (fr)

COMPRESSION D'ELEMENTS CHAUFFANTS ELECTRIQUES PRESENTANT UNE GAINE

Publication

EP 0894418 A4 (EN)

Application

EP 97914004 A

Priority

  • AU 9700217 W
  • AU PN914796 A

Abstract (en)

[origin: WO9738556A1] An electric heating element (10) having a circular sheath (11) and a resistance element (12) is filled with granular dielectric material (13) which is initially loosely packed by vibration only and then compacted by imparting a non-circular cross section to the sheath (11) so as to reduce the cross-sectional area without any significant change in the perimeter of the cross section of the sheath (11).

IPC 1-7 (main, further and additional classification)

H05B 3/52

IPC 8 full level (invention and additional information)

H05B 3/52 (2006.01)

CPC (invention and additional information)

H05B 3/52 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE

EPO simple patent family

WO 9738556 A1 19971016; AU PN914796 D0 19960502; EP 0894418 A1 19990203; EP 0894418 A4 20000223

INPADOC legal status


2002-06-12 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20011101

2000-02-23 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20000112

2000-02-23 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE

1999-02-03 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19981030

1999-02-03 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE