Global Patent Index - EP 1074479 A1

EP 1074479 A1 2001-02-07 - Membrane pump for container

Title (en)

Membrane pump for container

Title (de)

Membranpumpe für Behälter

Title (fr)

Pompe à membrane pour récipient

Publication

EP 1074479 A1 (FR)

Application

EP 00402212 A

Priority

FR 9910272 A

Abstract (en)

Pump (10) is mounted on a bottle (13) having two parts (11,14). Pump has a diaphragm (30) with a first portion (31) placed on the external side (19) of the opening wall, which can contact this wall when the pumping chamber (57) volume decreases and a second portion (32) placed inside the opening wall (41), which can contact this wall when the pumping chamber volume increases.

Abstract (fr)

Pompe (10) à monter sur un récipient (13), comportant deux parties (11,14) mobiles l'une par rapport à l'autre et définissant entre elles une chambre de pompage (57) de volume variable, une première partie (11) comportant une paroi (19) définissant un passage d'amenée du produit, par lequel le produit contenu dans le récipient (13) peut gagner la chambre de pompage, la deuxième partie (14) comportant une paroi (41) définissant un passage de sortie du produit par lequel le produit contenu dans la chambre de pompage (57) peut quitter celle-ci. La pompe comporte une membrane (30) ayant d'une part, une première partie (31) disposée du côté extérieur de la paroi (19) définissant le passage d'amenée, de manière à s'appliquer sous l'effet de la pression dans la chambre de pompage (57) sur cette paroi (19) pour obturer le passage d'amenée du produit lorsque le volume de la chambre de pompage (57) diminue et d'autre part, une deuxième partie (32) disposée du côté intérieur de la paroi (41) définissant le passage de sortie, de manière à s'appliquer sur cette paroi (41) sous l'effet de la dépression dans la chambre de pompage pour obturer le passage de sortie lorsque le volume de la chambre de pompage (57) augmente. <IMAGE>

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

B65D 47/34; B05B 11/00

IPC 8 full level (invention and additional information)

F04B 53/10 (2006.01); B05B 11/00 (2006.01); B65D 47/34 (2006.01); F04B 9/14 (2006.01); F04B 53/00 (2006.01)

CPC (invention and additional information)

B05B 11/3064 (2013.01); B05B 11/3001 (2013.01); B05B 11/3018 (2013.01); B05B 11/3076 (2013.01); B05B 11/3077 (2013.01)

Citation (applicant)

US 5267673 A 19931207 - CROSNIER DANIEL [FR], et al

Citation (search report)

Designated contracting state (EPC)

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

EPO simple patent family

EP 1074479 A1 20010207; EP 1074479 B1 20041020; AT 280096 T 20041115; CA 2316673 A1 20010206; CA 2316673 C 20050329; DE 60015028 D1 20041125; DE 60015028 T2 20060209; ES 2228429 T3 20050416; FR 2797255 A1 20010209; FR 2797255 B1 20011005; JP 2001115971 A 20010427; JP 3527885 B2 20040517; US 6279785 B1 20010828

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