(19)
(11) EP 1 289 064 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.04.2004 Bulletin 2004/15

(43) Date of publication A2:
05.03.2003 Bulletin 2003/10

(21) Application number: 02018514.6

(22) Date of filing: 16.08.2002
(51) International Patent Classification (IPC)7: H01R 4/20, H01R 4/72
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 24.08.2001 CA 2355972
28.09.2001 US 966679

(71) Applicant: ShawCor Ltd.
Toronto, Ontario M9W 1M7 (CA)

(72) Inventors:
  • Burwell, Douglas Neil
    Georgetown, Ontario L7G 5H8 (CA)
  • Macey, Sharon Elizabeth
    Toronto, Ontario M6N 3E1 (CA)

(74) Representative: Gervasi, Gemma, Dr. 
Notarbartolo & Gervasi GmbH, Bavariaring 21
80336 München
80336 München (DE)

   


(54) Ionomer-insulated electrical connectors


(57) An electrical crimp connector comprises a metallic crimp barrel adapted to receive the bared end portion of an electrical conductor and a heat-shrinkable polymeric sleeve in which the crimp barrel is received. The insulating sleeve is comprised of an ionic polymer derived from the polymerization of an α-olefin and an ethylenically unsaturated carboxylic acid , a proportion of whose acid groups have been reacted to create ionic carboxylates of metal ions. The ionic polymer sleeve has high impact toughness, high abrasion and chemical resistance, high resistance to splitting by crimping tools, high degrees of flexibility and transparency, and a relatively low heat shrink temperature, making it more suitable for use in such connectors than sleeves comprised of other materials such as polyamides or polyolefins.






Search report