(19)
(11)
EP 0 074 379 A1
(12)
(43)
Date of publication:
23.03.1983
Bulletin 1983/12
(21)
Application number:
82900928.0
(22)
Date of filing:
15.03.1982
(51)
International Patent Classification (IPC):
F01B
19/
04
( . )
F16J
3/
06
( . )
F04B
43/
02
( . )
(86)
International application number:
PCT/BR1982/000005
(87)
International publication number:
WO 1982/003246
(
30.09.1982
Gazette 1982/23)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE
(30)
Priority:
13.03.1981
BR 19810001550
(71)
Applicant:
LUZARDO, Sebastian Ruben Bentancor
14800-Araraquara-SP (BR)
(72)
Inventor:
LUZARDO, Sebastian Ruben Bentancor
14800-Araraquara-SP (BR)
(54)
IMPROVEMENT IN HIGH PRESSURE DOUBLE ACTION PUMPS