EP4518795B1 - Heizelement für einen ofen zum brennen und/oder sintern von werkstücken - Google Patents

Heizelement für einen ofen zum brennen und/oder sintern von werkstücken

Info

Publication number
EP4518795B1
EP4518795B1 EP23725591.4A EP23725591A EP4518795B1 EP 4518795 B1 EP4518795 B1 EP 4518795B1 EP 23725591 A EP23725591 A EP 23725591A EP 4518795 B1 EP4518795 B1 EP 4518795B1
Authority
EP
European Patent Office
Prior art keywords
heating element
glass tube
sapphire glass
heating
firing
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
EP23725591.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4518795A1 (de
Inventor
Thomas BAHOLZER
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.)
Vita Zahnfabrik H Rauter GmbH and Co KG
Original Assignee
Vita Zahnfabrik H Rauter GmbH and Co KG
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
Application filed by Vita Zahnfabrik H Rauter GmbH and Co KG filed Critical Vita Zahnfabrik H Rauter GmbH and Co KG
Publication of EP4518795A1 publication Critical patent/EP4518795A1/de
Application granted granted Critical
Publication of EP4518795B1 publication Critical patent/EP4518795B1/de
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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/62—Heating elements specially adapted for furnaces
    • H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • H05B3/08—Heater elements structurally combined with coupling elements or holders having electric connections specially adapted for high temperatures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/0008—Resistor heating
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/0008—Resistor heating
    • F27D2099/0011—The resistor heats a radiant tube or surface
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/032—Heaters specially adapted for heating by radiation heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Clinical Laboratory Science (AREA)
  • Resistance Heating (AREA)
  • Furnace Details (AREA)
EP23725591.4A 2022-05-04 2023-05-04 Heizelement für einen ofen zum brennen und/oder sintern von werkstücken Active EP4518795B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022001561 2022-05-04
PCT/EP2023/061846 WO2023213966A1 (de) 2022-05-04 2023-05-04 Heizelement für einen ofen zum brennen und/oder sintern von werkstücken und ofen mit mindestens einem derartigen heizelement

Publications (2)

Publication Number Publication Date
EP4518795A1 EP4518795A1 (de) 2025-03-12
EP4518795B1 true EP4518795B1 (de) 2026-07-08

Family

ID=86497737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23725591.4A Active EP4518795B1 (de) 2022-05-04 2023-05-04 Heizelement für einen ofen zum brennen und/oder sintern von werkstücken

Country Status (7)

Country Link
US (1) US20250277626A1 (cg-RX-API-DMAC7.html)
EP (1) EP4518795B1 (cg-RX-API-DMAC7.html)
JP (1) JP2025517068A (cg-RX-API-DMAC7.html)
CN (1) CN119136763A (cg-RX-API-DMAC7.html)
AU (1) AU2023264278A1 (cg-RX-API-DMAC7.html)
DE (1) DE102023111636A1 (cg-RX-API-DMAC7.html)
WO (1) WO2023213966A1 (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024002136B3 (de) * 2024-07-02 2025-09-04 Thomas Baholzer Dental Hybridofen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885454A (en) * 1988-04-29 1989-12-05 Centorr Associates, Inc. High temperature furnace for oxidizing atmospheres
DE4014246A1 (de) * 1990-05-04 1991-11-07 Linn Horst Dipl Ing Fh Heizeinrichtung
JP2019520175A (ja) 2016-07-12 2019-07-18 ビタ ツァーンファブリク ハー．ラウター ゲーエムベーハー ウント コー カーゲーＶｉｔａ Ｚａｈｎｆａｂｒｉｋ Ｈ．Ｒａｕｔｅｒ Ｇｍｂｈ ＆ Ｃｏ．Ｋｇ 歯科用窯
US11589966B2 (en) 2018-10-29 2023-02-28 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Heating element for a dental-ceramic furnace and dental sintering furnace

Also Published As

Publication number Publication date
WO2023213966A8 (de) 2024-11-28
DE102023111636A1 (de) 2023-11-09
WO2023213966A1 (de) 2023-11-09
EP4518795A1 (de) 2025-03-12
AU2023264278A1 (en) 2024-10-31
CN119136763A (zh) 2024-12-13
US20250277626A1 (en) 2025-09-04
JP2025517068A (ja) 2025-06-03

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