EP 0758927 A1 19970226 - A PUMP MADE OF PLASTIC FOR DISPENSING PRODUCTS FROM CONTAINERS
Title (en)
A PUMP MADE OF PLASTIC FOR DISPENSING PRODUCTS FROM CONTAINERS
Title (de)
PUMPE AUS KUNSTSTOFF ZUM SPENDEN VON PRODUKTEN AUS BEHÄLTERN
Title (fr)
POMPE EN PLASTIQUE POUR DISTRIBUER DES PRODUITS A PARTIR DE RECIPIENTS
Publication
Application
Priority
- IB 9600391 W 19960311
- IT VI950037 A 19950310
Abstract (en)
[origin: WO9628257A1] An all plastic pump for liquids (1; 300) to be applied to a container, comprises a cylindrical chamber (13; 330) communicating with said container through a feeding hole (14; 240); at least one piston (12; 320) axially sliding within said cylindrical chamber (13; 330); retaining valvular means; at least one elastic bellows (40; 500; 800) and having its lateral surface (50; 600) in the shape of a spiral (80; 510) and incorporates a spring (63) made of plastic realized in a single piece with the bellows itself, the turns of which are arranged in correspondence with the contraction areas of the spiral (80; 510), suited to realize a protruding stiffening rib in respect of the external surface of the spiral.
IPC 1-7
IPC 8 full level
B05B 11/00 (2006.01); B65D 83/76 (2006.01)
CPC (source: EP)
B05B 11/0005 (2013.01); B05B 11/1001 (2023.01); B05B 11/1054 (2023.01); B05B 11/1066 (2023.01); B05B 11/1074 (2023.01); B05B 11/1077 (2023.01); B05B 11/1094 (2023.01); B05B 11/1035 (2023.01)
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9628257 A1 19960919; CA 2189997 A1 19960919; CA 2189997 C 20010123; EP 0758927 A1 19970226; IT 1280284 B1 19980108; IT VI950037 A0 19950310; IT VI950037 A1 19960910; JP H09508581 A 19970902
DOCDB simple family (application)
IB 9600391 W 19960311; CA 2189997 A 19960311; EP 95917459 A 19960311; IT VI950037 A 19950310; JP 52708896 A 19960311