EP1771586A2 - Procede de fabrication de disques a cliquet - Google Patents

Procede de fabrication de disques a cliquet

Info

Publication number: EP1771586A2
Authority: EP; European Patent Office
Prior art keywords: snap; snap elements; temperature; discs; strip
Prior art date: 2004-07-05
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

EP05763074A

Other languages

German (de)

English (en)

Other versions

EP1771586B1 (fr

Inventor

Alfred Wurmb

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.)

Elektronik Werkstatte Ing Wurm Gesmbh

Original Assignee

Elektronik Werkstatte Ing Wurm Gesmbh

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.)

2004-07-05

Filing date

2005-07-05

Publication date

2007-04-11

2005-07-05 Application filed by Elektronik Werkstatte Ing Wurm Gesmbh filed Critical Elektronik Werkstatte Ing Wurm Gesmbh

2007-04-11 Publication of EP1771586A2 publication Critical patent/EP1771586A2/fr

2008-09-03 Application granted granted Critical

2008-09-03 Publication of EP1771586B1 publication Critical patent/EP1771586B1/fr

2025-07-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2241/00—Treatments in a special environment
- C21D2241/01—Treatments in a special environment under pressure
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2251/00—Treating composite or clad material
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches

Definitions

the invention relates to a method for stabilizing the two snap temperatures of snap elements made of bimetallic strip, in which the mechanical operations are not interrupted by the heat treatment.
Snap elements are stamped from Thermobimetallband and they preferably have a circular shape. However, other forms are possible and customary: e.g. Squares, rectangles, rhombuses and shapes with a tongue in the middle. When reference is made in the following specification of snap discs, all these forms may be meant.
Thermobimetal snap-in elements cover a wide range of applications for controlling and limiting thermal processes.
the two temperatures at which the curvature of the discs suddenly changes abruptly are called “lower snap temperature and upper snap temperature”.
the curvature is preferably in the form of a very shallow spherical cap, but other shapes are possible, e.g. that of a very flat truncated truncated cone.
FIG. 1 shows the relationship between temperature and curvature.
the temperature is plotted and on the ordinate the curvature of the domes.
the aging temperature which will be discussed later, is well above the upper snap temperature, but still below the temperature, which leads to a softening of the bimetal. After embossing, the snap discs still have too little thermal stability, that is, the snap temperatures change with the number of snap movements.
the idea of the invention is that the stamped disks are pressed flat at a high aging temperature. This process can also be repeated several times, e.g. two times to six times.
FIG. 2 shows such a method.
the lower part of the U-shaped furnace which extends over several working positions, is denoted by 1.
the necessary radiator has the number 2.
On the bottom of the U-groove slides the stamped and embossed bimetal 3. Due to the heatability of the sole of the U-groove, the thermobimetal strip 3 resting on the sole is heated rapidly to the aging temperature, ie a temperature which is above the upper snap temperature, but below the softening temperature of the bimetallic strip 3. In the groove vertically moves the pressure bar 4, which has the same size as the bottom of the furnace base.
the strip is pressed with a force element no.5 (pneumatic, hydraulic, eccentric or magnetic) on the embossed discs; so strong that all embossed discs, which are located in the oven, are pressed flat.
the pressing process with which the snap elements are pressed flat, thus takes place at a temperature of the snap elements, which is above the upper snap temperature, but below the softening temperature of the snap elements.
Both processes, ie heating and pressing take place in the clamping furnace 1, the process of " pressing " taking less than one to one and one-half seconds, depending on the cycle time of the automatic stamping machine, followed by a transport cycle in which the stamping strip is pulled by exactly one position
This cyclical process delivers an aged disc after each cycle, without it being necessary to remove the discs from the machine.
the discs thus remain in the machine and the thermal aging is carried out in the machine, namely in the working cycle of the machine.
FIG. 2 shows that the furnace U lower part and the pressure strip 4 have a tooth-shaped toothing, which engage in one another. This gearing is used to get such an intimate heat transfer from the oven to the pressure bar that a separate heating of the pressure bar is unnecessary.

Landscapes

Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Automatic Assembly (AREA)
Thermally Actuated Switches (AREA)
Heat Treatment Of Articles (AREA)
Manufacture Of Switches (AREA)
Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Powder Metallurgy (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Adornments (AREA)
Electric Double-Layer Capacitors Or The Like (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

EP05763074A 2004-07-05 2005-07-05 Procede de fabrication de disques a cliquet Expired - Lifetime EP1771586B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT0112904A AT500819B1 (de)	2004-07-05	2004-07-05	Verfahren zur herstellung von schnappscheiben
PCT/EP2005/053202 WO2006003204A2 (fr)	2004-07-05	2005-07-05	Procede de fabrication de disques a cliquet

Publications (2)

Publication Number	Publication Date
EP1771586A2 true EP1771586A2 (fr)	2007-04-11
EP1771586B1 EP1771586B1 (fr)	2008-09-03

Family

ID=35431622

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05763074A Expired - Lifetime EP1771586B1 (fr)	2004-07-05	2005-07-05	Procede de fabrication de disques a cliquet

Country Status (11)

Country	Link
US (1)	US20080029190A1 (fr)
EP (1)	EP1771586B1 (fr)
JP (1)	JP4566239B2 (fr)
KR (1)	KR101193491B1 (fr)
CN (1)	CN100507025C (fr)
AT (2)	AT500819B1 (fr)
BR (1)	BRPI0512975A (fr)
CA (1)	CA2572655C (fr)
DE (1)	DE502005005276D1 (fr)
ES (1)	ES2314679T3 (fr)
WO (1)	WO2006003204A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102023107381B3 (de)	2023-03-23	2024-05-29	Marcel P. HOFSAESS	Verfahren zur Montage eines temperaturabhängigen Schalters

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1852543A (en) *		1932-04-05		The same
US3678757A (en) *	1970-07-06	1972-07-25	American Standard Inc	Bimetallic elements
GB1546578A (en) *	1975-10-30	1979-05-23	Taylor J C	Method and apparatus for manufacturing snap-acting thermally responsive bimetallic actuators
JPS6316285A (ja) *	1986-07-09	1988-01-23	株式会社　松尾製作所	反転型バイメタルデイスクの製造方法
US4796355A (en) *	1987-09-15	1989-01-10	B/K Patent Development, Inc.	Snap action devices and methods and apparatus for making same
GB2222970B (en) *	1988-08-03	1993-04-14	Amada Co Ltd	Machine tool
US5651496A (en) *	1995-08-31	1997-07-29	Lewis; Philip C.	Method for low temperature bimetallic formation of ductile single material with two metal layers
GB9607962D0 (en) *	1996-04-17	1996-06-19	Strix Ltd	Bimetallic Actuators
GB2349508B (en) *	1999-04-26	2003-04-16	Otter Controls Ltd	Improvements relating to thermally-responsive controls

2004
- 2004-07-05 AT AT0112904A patent/AT500819B1/de not_active IP Right Cessation
2005
- 2005-07-05 US US11/631,547 patent/US20080029190A1/en not_active Abandoned
- 2005-07-05 JP JP2007519791A patent/JP4566239B2/ja not_active Expired - Lifetime
- 2005-07-05 WO PCT/EP2005/053202 patent/WO2006003204A2/fr not_active Ceased
- 2005-07-05 DE DE502005005276T patent/DE502005005276D1/de not_active Expired - Lifetime
- 2005-07-05 BR BRPI0512975-3A patent/BRPI0512975A/pt active Search and Examination
- 2005-07-05 ES ES05763074T patent/ES2314679T3/es not_active Expired - Lifetime
- 2005-07-05 AT AT05763074T patent/ATE407227T1/de not_active IP Right Cessation
- 2005-07-05 CA CA2572655A patent/CA2572655C/fr not_active Expired - Fee Related
- 2005-07-05 CN CNB2005800228248A patent/CN100507025C/zh not_active Expired - Lifetime
- 2005-07-05 KR KR1020077001752A patent/KR101193491B1/ko not_active Expired - Fee Related
- 2005-07-05 EP EP05763074A patent/EP1771586B1/fr not_active Expired - Lifetime

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006003204A2 *

Also Published As

Publication number	Publication date
JP2008505469A (ja)	2008-02-21
BRPI0512975A (pt)	2008-04-22
KR101193491B1 (ko)	2012-10-22
EP1771586B1 (fr)	2008-09-03
CN1981059A (zh)	2007-06-13
CN100507025C (zh)	2009-07-01
CA2572655A1 (fr)	2006-01-12
WO2006003204A3 (fr)	2006-02-16
AT500819A1 (de)	2006-04-15
WO2006003204A2 (fr)	2006-01-12
KR20070046080A (ko)	2007-05-02
ES2314679T3 (es)	2009-03-16
JP4566239B2 (ja)	2010-10-20
DE502005005276D1 (de)	2008-10-16
CA2572655C (fr)	2010-12-07
AT500819B1 (de)	2007-03-15
ATE407227T1 (de)	2008-09-15
US20080029190A1 (en)	2008-02-07

Publication	Publication Date	Title
DE2644411C2 (de)	1984-08-16	Temperaturwächter
DE1281995B (de)	1968-11-07	Elektrisches Buegeleisen
EP1771586B1 (fr)	2008-09-03	Procede de fabrication de disques a cliquet
DE2730986C3 (de)	1982-07-29	Thermobimetallrelais
DE2648488A1 (de)	1977-05-05	Verfahren und einrichtung zur herstellung eines bimetall-betaetigungselements fuer einen elektrischen schalter
DE2046277A1 (de)	1971-04-01	Relais
DE658159C (de)	1938-03-24	Waermeschalter mit schalenfoermig gekruemmtem, nach Erreichen einer bestimmten Temperatur durchschnappendem, die Kontakte tragendem Bimetallglied
EP0201002B1 (fr)	1991-08-07	Elément interrupteur à commande thermique, en particulier thermostat ou limiteur de température
DE2530970A1 (de)	1977-01-27	Thermostat-kombination
DE2103498C3 (de)	1974-09-05	Thermostat mit umstellbarer Schaltfunktion
DE2709175A1 (de)	1978-09-07	Thermostat-kombination
DE1131787B (de)	1962-06-20	UEberstromtraeger oder flinker Schmelzeinsatz
DE824562C (de)	1951-12-13	Thermoausloeser mit indirekt beheizten Bimetallstreifen
AT250396B (de)	1966-11-10	Thermostatisch gesteuertes Regelventil, insbesondere Kondensatableiter
DE980094C (de)	1969-04-30	Einrichtung zur selbsttaetigen Temperaturregelung fuer elektrische Kochplatten
CH391057A (de)	1965-04-30	Bimetallschalter und Verwendung desselben
DE3516041C1 (de)	1986-10-09	Temperaturbegrenzer
DE1110057B (de)	1961-06-29	Selbsttaetig periodisch arbeitender Thermoschalter fuer Blinklichtanlagen in Kraftfahrzeugen
DE1060456B (de)	1959-07-02	Elektrischer Thermobimetallschalter
DE1261127B (de)	1968-02-15	Thermischer Kondenswasserableiter
JPH0378598B2 (fr)	1991-12-16
DE2652029B2 (de)	1979-03-08	Kochplatte mit Temperaturfühler und temperaturabhängiger Schalteinrichtung
DE2657874A1 (de)	1978-06-22	Temperaturbegrenzer mit handrueckstellung
CH380477A (de)	1964-07-31	Schneidenlagerung
DE1751429U (de)	1957-08-29	Temperaturabhaengige schalteinrichtung.

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