EP0516533A1 - Verfahren zur Herstellung eines Tulpenkontaktes und Gemäss diesem Verfahren hergestellter Tulpenkontakt - Google Patents

Verfahren zur Herstellung eines Tulpenkontaktes und Gemäss diesem Verfahren hergestellter Tulpenkontakt Download PDF

Info

Publication number: EP0516533A1
Authority: EP; European Patent Office
Prior art keywords: block; blank; slots; diameter; good
Prior art date: 1991-05-30
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

EP92401444A

Other languages

English (en)

French (fr)

Other versions

EP0516533B1 (de

Inventor

Henri Organi

Roger Sauvat

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.)

Alstom Holdings SA

Original Assignee

GEC Alsthom SA

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.)

1991-05-30

Filing date

1992-05-26

Publication date

1992-12-02

1992-05-26 Application filed by GEC Alsthom SA filed Critical GEC Alsthom SA

1992-12-02 Publication of EP0516533A1 publication Critical patent/EP0516533A1/de

1995-08-09 Application granted granted Critical

1995-08-09 Publication of EP0516533B1 publication Critical patent/EP0516533B1/de

2012-05-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 7
238000000034 method Methods 0.000 claims abstract description 12
239000000463 material Substances 0.000 claims abstract description 8
229920001971 elastomer Polymers 0.000 claims abstract description 6
239000000806 elastomer Substances 0.000 claims abstract description 6
230000000694 effects Effects 0.000 claims abstract description 3
241000722921 Tulipa gesneriana Species 0.000 claims description 8
239000013536 elastomeric material Substances 0.000 claims description 6
238000010891 electric arc Methods 0.000 claims description 2
239000000600 sorbitol Substances 0.000 claims description 2
229910052751 metal Inorganic materials 0.000 description 4
239000002184 metal Substances 0.000 description 4
229910000831 Steel Inorganic materials 0.000 description 3
239000010959 steel Substances 0.000 description 3
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
238000007664 blowing Methods 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
239000004020 conductor Substances 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
230000007547 defect Effects 0.000 description 1
230000005611 electricity Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
238000003754 machining Methods 0.000 description 1
238000003801 milling Methods 0.000 description 1
238000005476 soldering Methods 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
239000010937 tungsten Substances 0.000 description 1

Images

Classifications

- 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
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/022—Moulds for compacting material in powder, granular of pasta form
- B30B15/024—Moulds for compacting material in powder, granular of pasta form using elastic mould parts
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/38—Plug-and-socket contacts
- H01H1/385—Contact arrangements for high voltage gas blast circuit breakers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts

Definitions

the present invention relates to a method of manufacturing a contact tulip, usable for equipping electrical devices such as circuit breakers and disconnectors.
contact tulips The manufacture of contact tulips is carried out in the following known manner: one starts from a metal tube which is a good conductor of electricity and has good elasticity properties, for example copper with chromium.
the tube at one end, is fitted with a cupro-tungsten crown which will be used for the development of the contact fingers. This crown is produced by electronic bombardment or by soldering.
Parallel longitudinal slots are made in the crown and on part of the tube so as to constitute contact fingers.
the most economical current method for making these slots is to make milling passes; by this method, slots less than 1.2 mm in width cannot be produced; or the use of contact tulips in gas blast circuit breakers requires that the width of the slots is of the order of 0.2 mm to allow good compression of the blowing gas.
An object of the invention is to define a process which makes it possible to carry out the operation of shrinking the end of the tube without altering the qualities of the metal.
the method is carried out by means of a press comprising a fixed sheath provided with a cylindrical recess to receive the elastomer block and a bore for the installation of a piece for centering the blank, and a movable upper block to which said cylindrical core is fixed, the upper block being associated with means for receiving a pressure which is communicated, by means of a support washer, to the block of elastomeric material.
a shim is arranged between the sheath and the movable block to limit the stroke of the movable block.
the elastomeric material of the core can advantageously be that sold under the brand ELADIP and the reference E 420 and which has a Shore A hardness of 81.
the reference 1 designates a blank intended for the making of a contact tulip.
the blank consists of a tube having one end provided with grooves 2 intended for fixing it in the electrical appliance.
the other portion of the tube is thinned and provided with a crown 3, and with longitudinal parallel slots, as has been explained above.
the sheath also comprises at its lower part, a bore allowing the fixing of a part 6 for centering the blank; this centering piece is fixed to the sheath by screws 7.
the press is completed by a metal upper block 8, preferably made of steel, comprising an axial bore 9 partially threaded into which is screwed a core 10 engaging, with a given clearance, inside the blank 1.
a means not shown allows to exert, on the upper face of the block 8 a pressure which is communicated, through a support washer 11, to the elastomer block. This deforms and causes a shrinkage of the blank at the slots which tighten as desired.
the material chosen to make the deformable block is advantageously an elastomer sold under the brand ELADIP and whose shore A hardness is 81.
the force exerted on the upper block is 50 tonnes.

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Contacts (AREA)
Coupling Device And Connection With Printed Circuit (AREA)
Manufacture Of Switches (AREA)

EP92401444A 1991-05-30 1992-05-26 Verfahren zur Herstellung eines Tulpenkontaktes und Gemäss diesem Verfahren hergestellter Tulpenkontakt Expired - Lifetime EP0516533B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR9106522		1991-05-30
FR9106522A FR2677166B1 (fr)	1991-05-30	1991-05-30	Procede de fabrication d'une tulipe de contacts et tulipe de contacts realisee selon le procede.

Publications (2)

Publication Number	Publication Date
EP0516533A1 true EP0516533A1 (de)	1992-12-02
EP0516533B1 EP0516533B1 (de)	1995-08-09

Family

ID=9413285

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP92401444A Expired - Lifetime EP0516533B1 (de)	1991-05-30	1992-05-26	Verfahren zur Herstellung eines Tulpenkontaktes und Gemäss diesem Verfahren hergestellter Tulpenkontakt

Country Status (10)

Country	Link
US (1)	US5201207A (de)
EP (1)	EP0516533B1 (de)
JP (1)	JPH07111851B2 (de)
CN (1)	CN1030673C (de)
AT (1)	ATE126387T1 (de)
CA (1)	CA2069801C (de)
DE (1)	DE69203965T2 (de)
DK (1)	DK0516533T3 (de)
ES (1)	ES2075646T3 (de)
FR (1)	FR2677166B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7835989B1 (en)	1992-12-09	2010-11-16	Discovery Communications, Inc.	Electronic book alternative delivery systems
CA2271555C (en)	1992-12-09	2003-11-11	Discovery Communications, Inc.	Remote control for cable television delivery system
US7509270B1 (en)	1992-12-09	2009-03-24	Discovery Communications, Inc.	Electronic Book having electronic commerce features
US7849393B1 (en)	1992-12-09	2010-12-07	Discovery Communications, Inc.	Electronic book connection to world watch live
US7401286B1 (en)	1993-12-02	2008-07-15	Discovery Communications, Inc.	Electronic book electronic links
US7336788B1 (en)	1992-12-09	2008-02-26	Discovery Communicatoins Inc.	Electronic book secure communication with home subsystem
US8073695B1 (en)	1992-12-09	2011-12-06	Adrea, LLC	Electronic book with voice emulation features
DE4309678A1 (de) *	1993-03-25	1994-09-29	Stade Umformtechnik Gmbh	Vorrichtung und Verfahren zur Verformung von Edelstahlmembranen für Vakuum-Wärmeisolations-Elemente
US7865567B1 (en)	1993-12-02	2011-01-04	Discovery Patent Holdings, Llc	Virtual on-demand electronic book
US7861166B1 (en)	1993-12-02	2010-12-28	Discovery Patent Holding, Llc	Resizing document pages to fit available hardware screens
US8095949B1 (en)	1993-12-02	2012-01-10	Adrea, LLC	Electronic book with restricted access features
US9053640B1 (en)	1993-12-02	2015-06-09	Adrea, LLC	Interactive electronic book
DE19516830A1 (de) *	1995-05-08	1996-11-14	Veritas Gummiwerke Ag	Preßwerkzeuge und Verfahren zum Verbinden von rohrförmigen Elementen
US8062012B2 (en) *	2007-06-05	2011-11-22	Metaldyne, Llc	Elastomeric seal sizer
CN104162614B (zh) *	2014-07-07	2016-03-02	河南科技大学	一种开关触指零件成形方法及其配套成形模具
CN107633976B (zh) *	2016-07-19	2019-12-06	闫淼江	高压隔离开关及其断口组件、制造阴触头的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1133961A (fr) *	1954-06-22	1957-04-04	Production Tool Alloy Company	Perfectionnements apportés aux procédés pour l'obtention d'articles façonnés àpartir de poudres
FR2302581A1 (fr) *	1975-02-26	1976-09-24	Merlin Gerin	Disjoncteur electrique a autosoufflage a chambre de coupure perfectionnee

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2375574A (en) *	1942-12-30	1945-05-08	Cons Aireraft Corp	Apparatus for fabricating connecting rods
US3440705A (en) *	1966-08-31	1969-04-29	Storm Products Co	Method of making a printing wheel for printing a code on insulated wire
US3564884A (en) *	1968-08-20	1971-02-23	Battelle Development Corp	Deformable die apparatus for tube drawing
SE408383B (sv) *	1976-04-08	1979-06-11	Asea Ab	Press for formning av platar och dylikt med hjelp av en formdyna, som under formningsskedet er innesluten i en kavitet, som bildas av en ovre och en undre verktygsdel av vilka minst en er rorligt anordnad i ett ...
SU1166861A1 (ru) *	1983-11-23	1985-07-15	Предприятие П/Я Р-6877	Штамп дл формовки трубчатых заготовок
US4723430A (en) *	1986-02-18	1988-02-09	Adolph Coors Company	Apparatus and method for forming a surface configuration on a can body

1991
- 1991-05-30 FR FR9106522A patent/FR2677166B1/fr not_active Expired - Fee Related
1992
- 1992-05-08 US US07/880,007 patent/US5201207A/en not_active Expired - Lifetime
- 1992-05-25 JP JP4132762A patent/JPH07111851B2/ja not_active Expired - Fee Related
- 1992-05-26 ES ES92401444T patent/ES2075646T3/es not_active Expired - Lifetime
- 1992-05-26 DE DE69203965T patent/DE69203965T2/de not_active Expired - Fee Related
- 1992-05-26 DK DK92401444.2T patent/DK0516533T3/da active
- 1992-05-26 EP EP92401444A patent/EP0516533B1/de not_active Expired - Lifetime
- 1992-05-26 AT AT92401444T patent/ATE126387T1/de not_active IP Right Cessation
- 1992-05-28 CA CA002069801A patent/CA2069801C/fr not_active Expired - Fee Related
- 1992-05-29 CN CN92104119.5A patent/CN1030673C/zh not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1133961A (fr) *	1954-06-22	1957-04-04	Production Tool Alloy Company	Perfectionnements apportés aux procédés pour l'obtention d'articles façonnés àpartir de poudres
FR2302581A1 (fr) *	1975-02-26	1976-09-24	Merlin Gerin	Disjoncteur electrique a autosoufflage a chambre de coupure perfectionnee

Also Published As

Publication number	Publication date
US5201207A (en)	1993-04-13
DE69203965T2 (de)	1995-12-21
FR2677166B1 (fr)	1993-08-06
JPH07111851B2 (ja)	1995-11-29
DK0516533T3 (da)	1995-09-25
EP0516533B1 (de)	1995-08-09
JPH05198229A (ja)	1993-08-06
ATE126387T1 (de)	1995-08-15
CA2069801C (fr)	1995-01-03
CN1069362A (zh)	1993-02-24
DE69203965D1 (de)	1995-09-14
ES2075646T3 (es)	1995-10-01
FR2677166A1 (fr)	1992-12-04
CN1030673C (zh)	1996-01-10

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1992-10-16	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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Publication	Publication Date	Title
EP0516533B1 (de)	1995-08-09	Verfahren zur Herstellung eines Tulpenkontaktes und Gemäss diesem Verfahren hergestellter Tulpenkontakt
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