Global Patent Index - EP 0872647 B1

EP 0872647 B1 2001-05-23 - Vacuum control and cutoff apparatus for a pneumatic duct

Title (en)

Vacuum control and cutoff apparatus for a pneumatic duct

Title (de)

Unterdrucksteuer- und Absperraggregat einer pneumatischen Leitung

Title (fr)

Dispositif de commande et d'arrêt de dépression pour un conduit pneumatique

Publication

EP 0872647 B1 (EN)

Application

EP 98830197 A

Priority

IT TO970322 A

Abstract (en)

[origin: EP0872647A2] The invention is directed to a vacuum control and cutoff apparatus for a pneumatic duct (2) connecting a vacuum generator and a vacuum user device to each other. The apparatus is constituted by a closure member (11) of the duct (2), controlled by a fluid under pressure whose flow is in turn controlled by an interception member (5) which is operated by the vacuum amount within the duct (2). The interception member (5) switches over the state of a signalling device (14) which may transmit to other apparatuses the information related to the vacuum condition of the devices connected to the duct (2). <IMAGE>

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

B66C 1/02; F15B 20/00

IPC 8 full level (invention and additional information)

F15B 20/00 (2006.01)

CPC (invention and additional information)

F15B 20/00 (2013.01)

Designated contracting state (EPC)

AT BE DE DK ES FI FR GB GR IT LU PT SE

EPO simple patent family

EP 0872647 A2 19981021; EP 0872647 A3 19990317; EP 0872647 B1 20010523; AT 201382 T 20010615; DE 69800818 D1 20010628; DE 69800818 T2 20010913; IT 1293886 B1 19990311; IT TO970322 A1 19981019

INPADOC legal status


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2001-06-28 [REF] CORRESPONDS TO:

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2001-05-23 [REF] CORRESPONDS TO:

- Document: AT 201382 T 20010615

2000-08-23 [17Q] FIRST EXAMINATION REPORT

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1999-03-17 [RHK1] MAIN CLASSIFICATION (CORRECTION)

- IPC: B66C 1/02

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