Global Patent Index - EP 0990707 A3

EP 0990707 A3 20020417 - Process for the controlled dosing of products in a drum

Title (en)

Process for the controlled dosing of products in a drum

Title (de)

Verfahren zur Dosierkontrolle von Produkten in einer Trommel

Title (fr)

Procédé de contrôl du dosage de produits dans un tonneau

Publication

EP 0990707 A3 20020417 (FR)

Application

EP 99118917 A 19990925

Priority

IT VI980184 A 19980928

Abstract (en)

[origin: EP0990707A2] The conditions inside a leather tanning drum (1) are controlled and adjusted automatically. Air is circulated (2) through the vessel and its temperature monitored (4.1 and 4.2) and heated (3). Humidity is monitored (5) and water sprayed if necessary. Chemical products (11) are dosed at the appropriate time in the cycle by spraying into the drum.

IPC 1-7

C14C 15/00; C14B 3/00; B01J 19/00

IPC 8 full level

C14B 3/00 (2006.01)

CPC (source: EP)

C14B 3/00 (2013.01)

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

DOCDB simple family (publication)

EP 0990707 A2 20000405; EP 0990707 A3 20020417; EP 0990707 B1 20040211; AR 021831 A1 20020807; AT E259427 T1 20040215; BR 9907467 A 20000926; BR 9907467 B1 20110531; DE 69914691 D1 20040318; DE 69914691 T2 20041007; ES 2216399 T3 20041016; IT VI980184 A1 20000328

DOCDB simple family (application)

EP 99118917 A 19990925; AR P990104870 A 19990927; AT 99118917 T 19990925; BR 9907467 A 19990928; DE 69914691 T 19990925; ES 99118917 T 19990925; IT VI980184 A 19980928