EP3420291B2 - Four à chambre de combustion agencée verticalement pour éléments dentaires et support résistant à la chaleur - Google Patents

Four à chambre de combustion agencée verticalement pour éléments dentaires et support résistant à la chaleur

Info

Publication number
EP3420291B2
EP3420291B2 EP17708713.7A EP17708713A EP3420291B2 EP 3420291 B2 EP3420291 B2 EP 3420291B2 EP 17708713 A EP17708713 A EP 17708713A EP 3420291 B2 EP3420291 B2 EP 3420291B2
Authority
EP
European Patent Office
Prior art keywords
furnace
support
combustion chamber
component
cooling
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.)
Active
Application number
EP17708713.7A
Other languages
German (de)
English (en)
Other versions
EP3420291B1 (fr
EP3420291A1 (fr
Inventor
Rainer Jumpertz
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.)
Sirona Dental Systems GmbH
Original Assignee
Sirona Dental Systems GmbH
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=58228087&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3420291(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sirona Dental Systems GmbH filed Critical Sirona Dental Systems GmbH
Publication of EP3420291A1 publication Critical patent/EP3420291A1/fr
Publication of EP3420291B1 publication Critical patent/EP3420291B1/fr
Application granted granted Critical
Publication of EP3420291B2 publication Critical patent/EP3420291B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B17/00—Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00
    • F27B17/02—Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00 specially designed for laboratory use
    • F27B17/025—Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00 specially designed for laboratory use for dental workpieces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Clinical Laboratory Science (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Furnace Details (AREA)

Claims (7)

  1. Four en alignement vertical pour composants dentaires (11), comprenant une chambre de combustion (2) ouverte vers le bas dont l'ouverture (2.1) peut être fermée par une porte de four (3) qui s'abaisse verticalement en position ouverte, présentant a une certaine distance de l'ouverture (3) une zone de dépôt (10) disposée dans la chambre de combustion (2) pour le composant chauffé (11), faisant partie intégrante du four et située en dehors d'un champ de rayonnement thermique de la chambre de combustion ouverte (2), caractérisé en ce qu'un dispositif de refroidissement (14) agissant sur la zone de dépôt (10) est disposé sur ou dans le four, la zone de dépôt (10) présentant un plateau résistant à la chaleur (12) pour le composant chauffé (11) et le dispositif de refroidissement (14) agissant sur le plateau (12), le plateau (12) comportant des ouvertures de ventilation (16) à travers lesquelles un flux d'air de refroidissement (17) est guidé vers le composant (11) à déposer sur le plateau (12) de la zone de dépôt (10), les ouvertures de ventilation (16) étant en communication fluidique avec un ventilateur (15) pour fournir un flux d'air de refroidissement (17).
  2. Four selon la revendication 1, caractérisé en ce qu'un élément d'insertion calorifuge (18), perméable à l'air est disposé entre le ventilateur (15) et le plateau (12).
  3. Four (1) selon l'une des revendications 1 à 2, caractérisé en ce que la zone de dépôt (10) ou le plateau (12) comprend un moyen de mesure de la température (42) dans la zone de dépôt (10) ou dans le plateau (12) ou du composant à refroidir (11).
  4. Four (1) selon la revendication 3, caractérisé en ce que un moyen de comparaison (81) et un moyen d'affichage (82) permettent de comparer la température du composant (11) à refroidir à une température limite prédéfinie et à afficher la température limite lorsqu'elle est atteinte.
  5. Four (1) selon la revendication 3 ou 4, caractérisé en ce que le dispositif de refroidissement fournit une puissance de refroidissement à l'aide d'une unité de commande (83) en fonction du signal du moyen de mesure de température (42).
  6. Four (1) selon l'une des revendications 1 à 5, caractérisé en ce qu'un boîtier (13, 22) contient plusieurs plateaux (71-74, 75, 76) pourvus de plusieurs dispositifs de refroidissement.
  7. Four (1) selon la revendication 6, caractérisé en ce que la puissance de refroidissement de chaque plateau (71-74, 75, 76) peut être réglée individuellement.
EP17708713.7A 2016-02-22 2017-02-22 Four à chambre de combustion agencée verticalement pour éléments dentaires et support résistant à la chaleur Active EP3420291B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016202703.4A DE102016202703A1 (de) 2016-02-22 2016-02-22 Ofen für Dentalbauteile und wärmefeste Unterlage
PCT/EP2017/053972 WO2017144488A1 (fr) 2016-02-22 2017-02-22 Four à chambre de combustion agencée verticalement pour éléments dentaires et support résistant à la chaleur

Publications (3)

Publication Number Publication Date
EP3420291A1 EP3420291A1 (fr) 2019-01-02
EP3420291B1 EP3420291B1 (fr) 2020-03-25
EP3420291B2 true EP3420291B2 (fr) 2026-03-18

Family

ID=58228087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17708713.7A Active EP3420291B2 (fr) 2016-02-22 2017-02-22 Four à chambre de combustion agencée verticalement pour éléments dentaires et support résistant à la chaleur

Country Status (6)

Country Link
US (1) US11073334B2 (fr)
EP (1) EP3420291B2 (fr)
JP (2) JP6956729B2 (fr)
KR (1) KR102876324B1 (fr)
DE (1) DE102016202703A1 (fr)
WO (1) WO2017144488A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016202703A1 (de) * 2016-02-22 2017-08-24 Sirona Dental Systems Gmbh Ofen für Dentalbauteile und wärmefeste Unterlage
KR102323066B1 (ko) * 2019-11-29 2021-11-10 (주) 대호아이앤티 덴탈 퍼니스
CN111249023B (zh) * 2020-01-18 2021-05-04 泉州市超维医疗科技有限公司 一种全自动全瓷义齿烤瓷炉及其加工工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775883A1 (fr) † 1995-11-17 1997-05-28 Ivoclar Ag Four de cuisson, en particulier pour des produits dentaires céramiques
US5977293A (en) † 1995-12-08 1999-11-02 Basf Aktiengesellschaft Process for continuous preparation of homopolymers of ethyleneimine
EP2101133A1 (fr) † 2008-03-11 2009-09-16 Straumann Holding AG Four de frittage pour préparations dentaires et procédé de frittage de préparations dentaires
US8109761B1 (en) † 2006-02-13 2012-02-07 Whip Mix Corporation Dental furnace with cooling system
KR101179501B1 (ko) † 2010-12-08 2012-09-07 김종택 치과용 소결장치

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092138A (en) * 1976-07-26 1978-05-30 Bipol Ltd. Dental desk unit
JPS582660U (ja) * 1981-06-30 1983-01-08 三菱重工業株式会社 分析装置用加熱炉
IL79109A (en) * 1986-06-12 1992-08-18 Baruch Indig Porcelain furnace
JPH0191852A (ja) * 1987-10-01 1989-04-11 Shiyoufuu:Kk 歯科用焼成炉
JPH07311632A (ja) * 1994-05-16 1995-11-28 Osada:Kk パソコン用載置台
GB9515437D0 (en) 1995-07-27 1995-09-27 Rue De Systems Ltd Sheet feeding apparatus and method
DE19606493C1 (de) * 1996-02-22 1997-09-11 Degussa Verfahren zum Brennen von dentalkeramischem Material und Brennofen hierfür
DE19725866C1 (de) * 1997-06-18 1999-04-22 Ivoclar Ag Brennofen
JP2005169034A (ja) 2003-12-08 2005-06-30 Shiyoufuu:Kk 歯科用近赤外線照射式重合装置
DE102004022487B4 (de) * 2004-05-07 2006-04-27 Ivoclar Vivadent Ag Brennofen
DE102006032655A1 (de) 2006-07-13 2008-01-17 Zubler Gerätebau GmbH Dentaltechnikofen und Verfahren zur Positionssteuerung einer Verschlussplatte an einem Dentaltechnikofen
JP5997899B2 (ja) * 2008-07-18 2016-09-28 ジェンサーム インコーポレイテッドＧｅｎｔｈｅｒｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 空調されるベッドアセンブリ
US20110080638A1 (en) * 2009-10-06 2011-04-07 Dieter Feger Microscope
WO2013068312A1 (fr) * 2011-11-07 2013-05-16 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Four dentaire, et procédé pour laisser refroidir un four dentaire
US9480544B2 (en) * 2012-01-27 2016-11-01 Ivoclar Vivadent Ag Dental furnace
DE102012213279A1 (de) * 2012-07-27 2014-01-30 Sirona Dental Systems Gmbh Sinterofen für Bauteile aus einem Sinterwerkstoff, insbesondere für Dentalbauteile und Verfahren zur Sinterung derartiger Bauteile
KR101228423B1 (ko) * 2012-09-13 2013-01-31 (주)유성 공냉식 연소로 설비
EP2742909B1 (fr) * 2012-12-13 2016-05-18 Ivoclar Vivadent AG Four dentaire
DE102013226497A1 (de) 2013-12-18 2015-06-18 Sirona Dental Systems Gmbh Verfahren zur Planung einer Sinterung eines Zahnersatzteils
WO2015191819A1 (fr) * 2014-06-11 2015-12-17 Gentherm Incorporated Système et procédé de régulation de climatisation de bureau
DE102016202703A1 (de) 2016-02-22 2017-08-24 Sirona Dental Systems Gmbh Ofen für Dentalbauteile und wärmefeste Unterlage
CN206019324U (zh) * 2016-08-10 2017-03-15 辽宁爱尔创生物材料有限公司 一种烧结炉

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775883A1 (fr) † 1995-11-17 1997-05-28 Ivoclar Ag Four de cuisson, en particulier pour des produits dentaires céramiques
US5977293A (en) † 1995-12-08 1999-11-02 Basf Aktiengesellschaft Process for continuous preparation of homopolymers of ethyleneimine
US8109761B1 (en) † 2006-02-13 2012-02-07 Whip Mix Corporation Dental furnace with cooling system
EP2101133A1 (fr) † 2008-03-11 2009-09-16 Straumann Holding AG Four de frittage pour préparations dentaires et procédé de frittage de préparations dentaires
KR101179501B1 (ko) † 2010-12-08 2012-09-07 김종택 치과용 소결장치

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Eidesstattliche Erklärung des Abteilungsleiters Dentalöfen der Firma Ivoclar Vivadent AG †
Prüfbericht Programat 510 †

Also Published As

Publication number Publication date
JP2019511263A (ja) 2019-04-25
JP7309795B2 (ja) 2023-07-18
KR102876324B1 (ko) 2025-10-23
EP3420291B1 (fr) 2020-03-25
KR20180114048A (ko) 2018-10-17
JP2021192799A (ja) 2021-12-23
JP6956729B2 (ja) 2021-11-02
US11073334B2 (en) 2021-07-27
EP3420291A1 (fr) 2019-01-02
US20190049184A1 (en) 2019-02-14
DE102016202703A1 (de) 2017-08-24
WO2017144488A1 (fr) 2017-08-31

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