EP0990707A3 - Process for the controlled dosing of products in a drum - Google Patents

Process for the controlled dosing of products in a drum Download PDF

Info

Publication number
EP0990707A3
EP0990707A3 EP99118917A EP99118917A EP0990707A3 EP 0990707 A3 EP0990707 A3 EP 0990707A3 EP 99118917 A EP99118917 A EP 99118917A EP 99118917 A EP99118917 A EP 99118917A EP 0990707 A3 EP0990707 A3 EP 0990707A3
Authority
EP
European Patent Office
Prior art keywords
barrel
dosing
air
chemicals
rotating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99118917A
Other languages
German (de)
French (fr)
Other versions
EP0990707B1 (en
EP0990707A2 (en
Inventor
Ruggero Galiotto
Beniamino Remonato
Giancarlo Remonato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Erretre SpA
Original Assignee
Erretre Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11426811&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0990707(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Erretre Srl filed Critical Erretre Srl
Publication of EP0990707A2 publication Critical patent/EP0990707A2/en
Publication of EP0990707A3 publication Critical patent/EP0990707A3/en
Application granted granted Critical
Publication of EP0990707B1 publication Critical patent/EP0990707B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B3/00—Milling leather

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Coating Apparatus (AREA)
  • Medicinal Preparation (AREA)

Abstract

Dans une phase normale de ce procédé, le tonneau (1) tourne autour de son axe et de l'air est mis en circulation à l'intérieur de ce tonneau avec présence d'un capteur d'humidité relative (5) apte à commander, si l'humidité de l'air à l'intérieur du tonneau est inférieure à un taux déterminé, l'ouverture de vannes motorisées à trois voies (6, 7, 8) dans une position (1-3) d'entrée d'eau sous pression dans le tonneau.In a normal phase of this process, the barrel (1) rotates around its axis and air is circulated inside this barrel with the presence of a sensor relative humidity (5) able to control, if the air humidity inside the barrel is lower than a determined rate, the opening of motorized three-way valves (6, 7, 8) in a position (1-3) for entering pressurized water in the barrel.

En vue de la phase de dosage des produits chimiques dans le tonneau, on interrompt la circulation de l'air à l'intérieur du tonneau, on ferme l'alimentation de l'eau et on bascule les vannes à trois voies (6, 7, 8) dans une position de pulvérisation des produits chimiques (11) à l'intérieur du tonneau, cependant que, pendant cette phase de dosage des produits chimiques, on opère un contrôle électrique de l'état du tonneau de manière que l'action de dosage des produits chimiques soit mise en oeuvre uniquement lorsque le tonneau est en rotation dans un sens, tandis qu'au contraire, ce dosage est immédiatement bloqué lors de l'arrêt de la rotation ou la mise en rotation du tonneau dans un sens opposé.

Figure 00000001
For the chemical dosing phase in the barrel, the air circulation inside the barrel is interrupted, the water supply is closed and the three-way valves (6, 7) are rocked , 8) in a position for spraying the chemicals (11) inside the barrel, while during this chemical dosing phase, an electrical control of the state of the barrel is carried out so that the action dosing of chemicals is implemented only when the barrel is rotating in one direction, while on the contrary, this dosing is immediately blocked when stopping the rotation or rotating the barrel in an opposite direction .
Figure 00000001
EP99118917A 1998-09-28 1999-09-25 Process for the controlled dosing of products in a drum Expired - Lifetime EP0990707B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT98VI000184A ITVI980184A1 (en) 1998-09-28 1998-09-28 PROCEDURE FOR CONTROL OF THE DOSING CYCLE OF CHEMICAL PRODUCTS, AIR AND WATER IN THE FILLING, RETANING AND
ITVI980184 1998-09-28

Publications (3)

Publication Number Publication Date
EP0990707A2 EP0990707A2 (en) 2000-04-05
EP0990707A3 true EP0990707A3 (en) 2002-04-17
EP0990707B1 EP0990707B1 (en) 2004-02-11

Family

ID=11426811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99118917A Expired - Lifetime EP0990707B1 (en) 1998-09-28 1999-09-25 Process for the controlled dosing of products in a drum

Country Status (7)

Country Link
EP (1) EP0990707B1 (en)
AR (1) AR021831A1 (en)
AT (1) ATE259427T1 (en)
BR (1) BR9907467B1 (en)
DE (1) DE69914691T2 (en)
ES (1) ES2216399T3 (en)
IT (1) ITVI980184A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1309868B1 (en) * 1999-10-29 2002-02-05 Italprogetti Engineering S R L BOTTLE FOR DRY PROCESSING OF LEATHER
ITVI20050041A1 (en) * 2005-02-15 2006-08-16 Erretre Spa BOTTLE OF FOLLONING, DYEING AND RECONCIA
ITVI20080053A1 (en) * 2008-02-29 2009-09-01 Erretre Spa METHOD OF TREATMENT OF FLEXIBLE LAMINAR SURFACES.
EP2481821B1 (en) * 2011-01-28 2013-03-20 Boxmark Leather proizvodnja in trgovina d.o.o. Process for treating leather
CN106197753A (en) * 2016-08-19 2016-12-07 无锡市新达轻工机械有限公司 Rotary drum system for detecting temperature
IT201700026639A1 (en) * 2017-03-10 2018-09-10 Erretre Spa METHOD FOR RECOGNITION OF THE BOTTALING STATE OF SKINS
IT201800002869A1 (en) * 2018-02-20 2019-08-20 Vallero Int S P A Tanning unit for the evaluation of the life cycle including a drum
CN113862403A (en) * 2021-11-10 2021-12-31 无锡市新达轻工机械有限公司 Cold air type temperature and humidity control leather softening machine system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2081303A (en) * 1980-08-08 1982-02-17 Dose Ludwig Softening leather
GB2098885A (en) * 1981-04-08 1982-12-01 Remonato Fulvio Spray booth
DD219506A1 (en) * 1983-10-10 1985-03-06 Lederwaren Veb K METHOD AND DEVICE FOR TANGING SKIN AND SKIN
EP0960948A1 (en) * 1998-05-27 1999-12-01 ERRETRE s.r.l. Drum for milling, dyeing and tanning

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2081303A (en) * 1980-08-08 1982-02-17 Dose Ludwig Softening leather
GB2098885A (en) * 1981-04-08 1982-12-01 Remonato Fulvio Spray booth
DD219506A1 (en) * 1983-10-10 1985-03-06 Lederwaren Veb K METHOD AND DEVICE FOR TANGING SKIN AND SKIN
EP0960948A1 (en) * 1998-05-27 1999-12-01 ERRETRE s.r.l. Drum for milling, dyeing and tanning

Also Published As

Publication number Publication date
BR9907467B1 (en) 2011-05-31
ES2216399T3 (en) 2004-10-16
EP0990707B1 (en) 2004-02-11
DE69914691D1 (en) 2004-03-18
ITVI980184A1 (en) 2000-03-28
AR021831A1 (en) 2002-08-07
BR9907467A (en) 2000-09-26
ATE259427T1 (en) 2004-02-15
DE69914691T2 (en) 2004-10-07
EP0990707A2 (en) 2000-04-05

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