EP 0361903 A1 19900404 - Monitoring of tobacco smoke filter rods.
Title (en)
Monitoring of tobacco smoke filter rods.
Title (de)
Vorrichtung zur Kontrolle von Filtersträngen für Zigaretten.
Title (fr)
Dispositif de contrÔle des tiges de filtres pour cigarettes.
Publication
Application
Priority
GB 8822972 A 19880930
Abstract (en)
There is disclosed a method and apparatus for monitoring the quality of tobacco smoke filter rods (1) formed by passing filter tow (4) through a narrowing passage (42) to laterally compress the filter tow. The invention relates to the monitoring of the pressure of gaseous medium in a space (45) communicating with the narrowing passage (42) via an orifice (46), the gaseous medium being supplied to the space (45) via the orifice (46) as a result of being expressed from the filter tow as the latter is laterally compressed during movement through the narrowing passage (42).
IPC 1-7
IPC 8 full level
CPC (source: EP)
A24C 5/3418 (2013.01); A24D 3/0295 (2013.01)
Citation (search report)
- [AD] US T941011 I4 19751202
- [AD] GB 1588506 A 19810423 - MOLINS LTD
- [A] GB 1295864 A 19721108
- [A] DE 1166069 B 19640319 - MOLINS MACHINE CO LTD
- [A] GB 2089190 A 19820623 - MOLINS LTD
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0361903 A1 19900404; DE 361903 T1 19901108; GB 8822972 D0 19881109
DOCDB simple family (application)
EP 89309853 A 19890927; DE 89309853 T 19890927; GB 8822972 A 19880930