(19)
(11) EP 0 174 964 A1

(12)

(43) Date of publication:
26.03.1986 Bulletin 1986/13

(21) Application number: 85901319.0

(22) Date of filing: 26.03.1985
(51) International Patent Classification (IPC): 
E21F 17/ 103( . )
(86) International application number:
PCT/AU1985/000060
(87) International publication number:
WO 1985/004444 (10.10.1985 Gazette 1985/22)
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 26.03.1984 AU 19840004282

(71) Applicants:
  • GEARHART AUSTRALIA LIMITED
    Brisbane, QLD 4000 (AU)
  • TUCKER, Michael Charles
    Brisbane, QLD 4061 (AU)

(72) Inventors:
  • GEARHART AUSTRALIA LIMITED
    Brisbane, QLD 4000 (AU)
  • TUCKER, Michael Charles
    Brisbane, QLD 4061 (AU)

   


(54) STOPPINGS