Global Patent Index - EP 0983128 A1

EP 0983128 A1 2000-03-08 - CLEANING AND WASHING METHOD AND DEVICE

Title (en)

CLEANING AND WASHING METHOD AND DEVICE

Title (de)

VERFAHREN UND VORRICHTUNG ZUM WASCHEN UND REINIGEN

Title (fr)

PROCEDE ET DISPOSITIF DE LAVAGE ET DE NETTOYAGE

Publication

EP 0983128 A1 (FR)

Application

EP 96917547 A

Priority

  • FR 9600783 W
  • FR 9506252 A

Abstract (en)

[origin: WO9637314A1] A washing and cleaning method includes simultaneously applying infrasonic and ultrasonic vibrations to the liquid containing the items to be washed or cleaned. The frequencies are advantageously selected in the range of 10 to 90 Hz and 15 to 25 kHz respectively. The infrasonic and ultrasonic vibrations are preferably transmitted by means of a flexible diaphragm contacting the liquid containing the items to be washed. The washing and cleaning device has a housing (10) containing sound wave transmitting means (11, 12) with a transmitting diaphragm (13, 14), such as loud-speakers. The diaphragm is impervious and contacts the liquid when the device is immersed therein. The frequencies are advantageously selected in the above-mentioned ranges.

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

B08B 3/12; D06F 19/00

IPC 8 full level (invention and additional information)

B08B 3/12 (2006.01); D06F 7/04 (2006.01); D06F 19/00 (2006.01)

CPC (invention and additional information)

D06F 7/04 (2013.01); B08B 3/12 (2013.01); D06F 19/00 (2013.01)

Citation (search report)

See references of WO 9637314A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9637314 A1 19961128; AU 6008096 A 19961211; EP 0983128 A1 20000308; FR 2734502 A1 19961129; FR 2734502 B1 19970725

INPADOC legal status


2002-05-08 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20011017

2001-07-18 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010606

2000-03-08 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19971229

2000-03-08 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE