Global Patent Index - EP 1050480 A1

EP 1050480 A1 2000-11-08 - Diaphragm pump comprising a preferential deformation area on at least a part of its periphery, and container incorporating the same

Title (en)

Diaphragm pump comprising a preferential deformation area on at least a part of its periphery, and container incorporating the same

Title (de)

Membranpumpe mit einer zumindest in einem Teilbereich der Peripherie befindlichen, bevorzugten Verformungszone, und damit ausgerüsteter Behälter

Title (fr)

Pompe à membrane comportant, sur au moins un secteur de sa périphérie, une zone de déformation préférentielle et récipient ainsi équipé

Publication

EP 1050480 A1 (FR)

Application

EP 00401241 A

Priority

FR 9905772 A

Abstract (en)

Pump comprises membrane having central part (51) in shape of sleeve open at its upper end and closed at its lower end. Centr conduit is inserted in sleeve. Membrane is arranged so as to isolate openings of pumping chamber when volume of chamber increase and product is induced into it. Lower part of central part of membrane has preferential deformation zone over sector (77) of its periphery. An Independent claim is also included for the dispenser.

Abstract (fr)

Pompe du type comportant un organe mobile monté à déplacement relativement à un support, l'organe mobile comportant un conduit central dans lequel le produit devant être distribué pénètre à la faveur d'au moins une ouverture, le support définissant avec l'organe mobile, autour dudit conduit central, une chambre de pompage de volume variable, cette pompe comportant en outre une membrane ayant une partie centrale (51) en forme de manchon ouvert à son extrémité supérieure et fermé à son extrémité inférieure, partie centrale dans laquelle est inséré ledit conduit central, la membrane étant agencée de manière à isoler la ou lesdites ouvertures de la chambre de pompage quand le volume de la chambre de pompage augmente et que du produit est aspiré dans cette dernière. La partie inférieure de la partie centrale (51) de la membrane présente, sur au moins un secteur (77) de sa périphérie, une zone de déformation préférentielle. <IMAGE>

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

B65D 47/34

IPC 8 full level (invention and additional information)

A45D 34/04 (2006.01); B05B 11/00 (2006.01); B65D 47/34 (2006.01); B65D 83/76 (2006.01); F04B 9/14 (2006.01)

CPC (invention and additional information)

B05B 11/3004 (2013.01); B05B 11/3001 (2013.01); B05B 11/3064 (2013.01); B05B 11/3076 (2013.01)

Citation (applicant)

FR 2728809 A1 19960705 - CROSNIER DANIEL [FR]

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 1050480 A1 20001108; EP 1050480 B1 20041215; AT 284824 T 20050115; CA 2308858 A1 20001106; CA 2308858 C 20050712; DE 60016663 D1 20050120; DE 60016663 T2 20051208; ES 2233303 T3 20050616; FR 2793223 A1 20001110; FR 2793223 B1 20010727; JP 2001003856 A 20010109; JP 3398645 B2 20030421; US 6299029 B1 20011009; US RE40219 E 20080408

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