EP0082306A1 - Installation de chauffage locale - Google Patents

Installation de chauffage locale Download PDF

Info

Publication number
EP0082306A1
EP0082306A1 EP82110577A EP82110577A EP0082306A1 EP 0082306 A1 EP0082306 A1 EP 0082306A1 EP 82110577 A EP82110577 A EP 82110577A EP 82110577 A EP82110577 A EP 82110577A EP 0082306 A1 EP0082306 A1 EP 0082306A1
Authority
EP
European Patent Office
Prior art keywords
reactor
heat
jacket
heating system
local heating
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
EP82110577A
Other languages
German (de)
English (en)
Other versions
EP0082306B1 (fr
Inventor
Lászlo Dr. Toth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT82110577T priority Critical patent/ATE22167T1/de
Publication of EP0082306A1 publication Critical patent/EP0082306A1/fr
Application granted granted Critical
Publication of EP0082306B1 publication Critical patent/EP0082306B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
    • F24H7/0475—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using solid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/02—Closed stoves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B7/00—Stoves, ranges or flue-gas ducts, with additional provisions for convection heating 
    • F24B7/02—Stoves, ranges or flue-gas ducts, with additional provisions for convection heating  with external air ducts

Definitions

  • the invention relates to a local heating system that can be heated with a heating material of any physical state and that can be operated equally with direct and indirect heat radiation.
  • the currently most widely used local heating systems that is to say heating systems operated directly in the room to be heated, can be classified primarily according to their mode of operation or the heating material.
  • the advantage of the heating systems belonging to the first group is that after the start of the furnace practical the heat radiation begins immediately.
  • Their disadvantage is that due to their relatively low heat tolerance, if the energy source is exhausted or switched off, the heat radiation ceases immediately or with a slight delay.
  • Another disadvantage is that, depending on the energy density, removing the radiating body, the feeling of warmth decreases proportionally with the distance.
  • the advantage of belonging to the second group i.e. which is the heating systems that store the heat energy in a heat-storing material, _that they give off the heat energy produced due to their great heat inertia regardless of the operation of the heat source with an even distribution over time.
  • the disadvantage of these systems is that the start of the heat radiation and the warming up of the air space to be heated takes too long after the heat source is started, precisely because of the large heat inertia.
  • the object to be achieved by the invention is the creation of such a local heating system, which combines the advantages of direct and indirect heat radiation, thereby eliminating their disadvantages, but at the same time making it possible to use any type of heating material or, if necessary, to switch quickly to others Types of heating material possible without loss of efficiency.
  • the object is achieved according to the invention with such a local heating system, in which the chimney draft is formed uniformly, without changing direction, essentially with a helical ascent between the outer heat-storing jacket and an inner heat-storing jacket of the heating system, between the reactor Air ducts are formed in the reactor jacket directly surrounding the metal reactor and the outer heat-storing jacket, which on the one hand open into the interior of the inner heat-storing jacket which opens directly into the air space to be heated and on the other hand above at least one formed at the level of the lower part of the combustion chamber, lockable connecting pieces are also connected to the air space to be heated.
  • the heating system according to the invention combines the advantages of the various possible modes of operation by realizing a delayed indirect heat radiation via the outer heat-storing jacket, while the air ducts opening into the inner space of the inner heat-storing jacket allow the immediate and immediate rise of the heat quantity forming in the reactor allow heating airspace.
  • the helical design of the chimney draft which is carried out without changing direction, partly gives the opportunity for maximum utilization of the "waste" thermal energy that otherwise moves into the chimney to warm up the furnace body, and partly contributes to it by means of the kinetic resulting from the temperature difference between the flue gases Energy an active "chimney effect", ie to secure a train for the flue gases to be thrown out.
  • this circumstance enables the heating system according to the invention to be operated with any type of heating material.
  • the outer and inner heat-storing coats are composed of hollow-walled ceramic module elements, the cavities of which are expediently filled with sand or other similar filling material.
  • the solution has the extremely big advantage. That it significantly simplifies production and makes it more productive, ensures quick and clear assembly, while making the system portable, and the individual elements can also be easily transported with human power. With the filling of the cavities of the module elements to different dimensions, the weight of the heating system and thus also its stability, heat load and heat inertia (heat capacity) can be within given limits can be set as desired.
  • the ceramic module elements forming the outer heat-storing jacket of the furnace body can be given any surface treatment (e.g. glaze) and can thus be fired together in one process.
  • the heating system according to the invention consists of two parts, namely the reactor part and the recuperator part formed above it.
  • the weight of the furnace body formed by these is taken up and distributed by a load-distributing foot part 1.
  • the core of the reactor part is formed by the reactor 3, which surrounds the combustion chamber 2 and is made of cast iron or steel plates and essentially resembles an iron furnace.
  • the reactor 3 is surrounded by a reactor jacket 4, which expediently consists of ring-shaped, ribbed, ceramic module elements.
  • the outer heat-storing jacket 6 lies down with its axial ribs 5 on the inner wall of the heating system from the outside, also consisting of ring-shaped, but non-ribbed ceramic module elements, the outer heat-storing jacket 6, its rib spaces 7 with this inner wall coming from the connection piece 3 located at the level of the lower part of the combustion chamber, closable with flaps, and in the inner space 10 of the inner heat-storing jacket 9 arranged in the recuperator part above the reactor 3 forms air ducts.
  • the height of the inner heat-storing jacket 9 corresponds to that of the outer heat-storing jacket 6, but it consists of smaller, ring-shaped ceramic module elements and its interior 10 opens directly into the space to be heated.
  • cavities 11 are formed both in the outer heat-storing jacket 6 and in the inner heat-storing jacket 9 in the walls of the module elements in the axial longitudinal direction, which cavities 11 can be filled with filler material, expediently with sand.
  • the height of the reactor part of the outer heat-storing jacket 6 corresponds to the height of four annular ceramic module elements placed one on top of the other.
  • the first two module elements take up the reactor 3, the ash chamber 12 and the ash box 13 located in the ash chamber (or in the case of oil firing the heating oil container or in the case of gas firing the gas regulator and the connection fittings), above which is the grate 14 and the embers trap door 15, which from the outside through a to the door approach.
  • the reactor mounted provided with a closing element 16 adjustable gap cross-section are covered, and finally the previously mentioned connecting piece 8, which are provided with closable flaps at the level of the grate 14 into the air space to be heated.
  • Top of the ash door 17 is provided with a on the boundary line of the third and fourth module element of the outer waerme arrivednden jacket 6 the center covered by a T ÜR 18, which is formed is used for feeding the solid Schumateriales into the reactor 3, in which suitably is a observation of the combustion chamber 2 enabling, fireproof, transparent glass insert is installed.
  • the fourth module element surrounds the uppermost part of the reactor 3, which is closed from above with a finned hood 19 which promotes heat exchange and from here also begins the approach 20 of the flue, which connects the combustion chamber 2 of the reactor 3 with the between the heat-storing coats 6 and 9 connects the smoke flue 21 formed in the recuperator part, which essentially ends in a smoke discharge attachment 22 and describes a helical path.
  • spacer rings 23 and 24 made of ceramic, which can be filled with sand and inserted into one another as pairs, the spacer ring 23 being separated from the spacer ring 24 which can be inserted into it. while the spacer ring 24 is closed by the cover ring 25.
  • This arrangement is clearly visible in comparison with FIG. 1, particularly in FIG. 3.
  • These spacer elements are provided with such openings 26, which ensure a continuous ascent of the flue 21 without changing direction or the passage of the flue gas to the floor of the following module elements.
  • the operation of the air transport device is absolutely necessary.
  • the installation of a train sensor in the smoke discharge attachment 22 is also expedient, which always controls the depression of the combustion chamber in accordance with the requirements of the given type of furnace and thus also contributes to the fact that the heating system according to the invention can be operated with any type of aggregate heating material.
  • the solid heating material is introduced into the reactor 3 onto the grate 14 via the circular door 18 provided with transparent, fire-proof glass insert, where the combustion air passing through the grate 14 ensures the combustion of the heating material filled into the combustion chamber 2 to a regulated extent.
  • the combustion air penetrates into the ash chamber 12 via the closure element 16, which is adjustable for this purpose and is attached to the ash door 17, from where it immediately places the ash box 13 on the Grate 14 arrives.
  • the flue gases forming in the combustion chamber 2 of the reactor 3 reach the recuperator part, more precisely into the flue 21 between the outer heat-storing jacket 6 and the inner heat-storing jacket 9, where the flue gases come from, via the extension 20 of the smoke flue specially formed on the roof of the reactor 3 pass through the formed from the individual module elements floors after a rotation of 300 0 with a designed as speziale deflection opening, long at about a 60 ° section opening 26 without change in direction to the next floor, and finally through the Rauchab technologicalansatz 22 in the chimney.
  • the flue gases give off their heat content to the outer and inner heat-storing mantles 6 and 9, which emit the absorbed heat to the air space to be heated with uniform, delayed heat radiation, as is characteristic, for example, of the function of the tiled stoves.
  • the air of the air space to be heated is introduced into the space between the outer heat-storing jacket 6 and the reactor jacket 4 immediately surrounding the reactor 3 via the connecting piece 8 installed in the lower part of the combustion chamber 2, and we leave this in the space formed by the rib spaces 7 of the reactor jacket 4 Air channels flow along, which open into the interior 10 of the inner heat-storing jacket 9 via the ribbed hood 19 functioning as a heat exchanger of the reactor 3.
  • the air flowing in through the connecting piece 8 takes up, in addition to the reactor jacket 4 surrounding the reactor 3, continuously absorbing the amount of heat emitted by the reactor 3, and on the other hand cools the reac directly touching the wall of the reactor 3 Door jacket 4.
  • the air warmed up in this way, passing the upper part of the reactor 3, flows through its own, by means of the kinetic energy resulting from the temperature difference, into the interior 10 and with so-called “chimney effect" it flows up to the heat-distributing screen , from where it moves with a change of direction into the air space to be heated.
  • the flaps of the connecting pieces 8 are closed by hand or with a thermostat control, so that from this point in time the heating system only works with indirect heat radiation.
  • the heating system according to the invention can be operated with any kind of heating material with a good degree of efficiency in the constructional arrangement explained, while the operating mode or the direct or indirect heat radiation can also be selected as desired, with a simultaneous recuperation of the heat energy of the flue gases.
  • the mode of operation can be changed without element replacement, simply by closing the connecting piece 8.
  • Another significant advantage is that the system can be assembled from modular elements so that it can be easily moved by hand, but its assembly does not require any specialist knowledge.
  • the cavities of the module elements of the outer and inner heat-storing jacket which can be filled with sand or other similar filling materials 6 and 9 also ensure the special advantage that, depending on the amount of sand filled in during installation, the system is given the option of weight and heat capacity Regulate current requirements and possibilities at any time (for example, for the load options of the ceiling).
  • the outer surface of the module elements of the outer heat-storing jacket 6 can be surface-treated according to the requirements, both with regard to wear resistance and the color scheme, and it is expediently provided with a pattern glaze of aesthetic coloring.
  • the outer contour of the outer heat-storing jacket 6 is expediently circular, but a different shape is also conceivable, for example an angular variant.
  • the size and number of the module elements can be changed and is determined by the expediency or the heat requirement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Fuel Combustion (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Road Paving Machines (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Air Supply (AREA)
  • Vehicle Body Suspensions (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Resistance Heating (AREA)
  • Cosmetics (AREA)
  • Details Of Aerials (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Seasonings (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
EP82110577A 1981-11-16 1982-11-16 Installation de chauffage locale Expired EP0082306B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82110577T ATE22167T1 (de) 1981-11-16 1982-11-16 Lokale heizanlage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU813419A HU186793B (en) 1981-11-16 1981-11-16 Local heating equipment
HU341981 1981-11-16

Publications (2)

Publication Number Publication Date
EP0082306A1 true EP0082306A1 (fr) 1983-06-29
EP0082306B1 EP0082306B1 (fr) 1986-09-10

Family

ID=10963948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110577A Expired EP0082306B1 (fr) 1981-11-16 1982-11-16 Installation de chauffage locale

Country Status (14)

Country Link
US (1) US4526319A (fr)
EP (1) EP0082306B1 (fr)
JP (1) JPS5895145A (fr)
AT (1) ATE22167T1 (fr)
CA (1) CA1207621A (fr)
CS (1) CS244428B2 (fr)
DD (1) DD207968A5 (fr)
DE (1) DE3273232D1 (fr)
DK (1) DK503882A (fr)
ES (1) ES517381A0 (fr)
FI (1) FI823913L (fr)
HU (1) HU186793B (fr)
NO (1) NO823819L (fr)
PL (1) PL136844B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2138515B1 (es) * 1996-12-27 2000-08-16 Gomez Hilario Blanco Acumulador termico y economizador para calderas de calefaccion domesticas a gasoil.
NO20044454A (no) * 2004-10-20 2006-01-23 Fritz Atle Moen Kakkelovn
DE102005058163B4 (de) * 2005-12-05 2011-04-14 Man Diesel & Turbo Se Abgaskamin
CN109959041B (zh) * 2019-04-17 2023-10-10 山东建筑大学 一种油烟余热回收利用综合系统及方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202024C (fr) *
DE219381C (fr) *
AT64190B (de) * 1913-02-28 1914-03-26 Emil Sommerschuh Doppelwandiger Ofen mit Wärmespeicher.
US2005982A (en) * 1934-03-21 1935-06-25 Bowman S Smith Gas saving deflector
CH219074A (de) * 1940-11-08 1942-01-31 Studer Adolf Warmluft-Zirkulationsofen.
DE821698C (de) * 1949-10-08 1951-11-19 Graaff J Niedersaechs Waggon Heizofen.
US4250868A (en) * 1978-08-04 1981-02-17 Frye Filmore O Draft inducer/damper systems
EP0030224A1 (fr) * 1979-11-14 1981-06-10 Franz Schrödl Carreau de poêle de faience et procédé de construction, en particulier de foyers clos

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053455A (en) * 1962-09-11 eichenlaub
US1600725A (en) * 1926-02-18 1926-09-21 Flaus Victor Hot-air furnace
US2272428A (en) * 1940-10-07 1942-02-10 Ward Heater Co Heating system
FR1124379A (fr) * 1955-05-17 1956-10-09 Appareil de chauffage à haut rendement

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202024C (fr) *
DE219381C (fr) *
AT64190B (de) * 1913-02-28 1914-03-26 Emil Sommerschuh Doppelwandiger Ofen mit Wärmespeicher.
US2005982A (en) * 1934-03-21 1935-06-25 Bowman S Smith Gas saving deflector
CH219074A (de) * 1940-11-08 1942-01-31 Studer Adolf Warmluft-Zirkulationsofen.
DE821698C (de) * 1949-10-08 1951-11-19 Graaff J Niedersaechs Waggon Heizofen.
US4250868A (en) * 1978-08-04 1981-02-17 Frye Filmore O Draft inducer/damper systems
EP0030224A1 (fr) * 1979-11-14 1981-06-10 Franz Schrödl Carreau de poêle de faience et procédé de construction, en particulier de foyers clos

Also Published As

Publication number Publication date
CS244428B2 (en) 1986-07-17
CS816682A2 (en) 1985-09-17
PL136844B1 (en) 1986-03-31
FI823913L (fi) 1983-05-17
HU186793B (en) 1985-09-30
DK503882A (da) 1983-05-17
EP0082306B1 (fr) 1986-09-10
PL239061A1 (en) 1983-07-18
DD207968A5 (de) 1984-03-21
US4526319A (en) 1985-07-02
JPS5895145A (ja) 1983-06-06
ES8400817A1 (es) 1983-11-01
ATE22167T1 (de) 1986-09-15
FI823913A0 (fi) 1982-11-15
NO823819L (no) 1983-05-18
ES517381A0 (es) 1983-11-01
CA1207621A (fr) 1986-07-15
DE3273232D1 (en) 1986-10-16

Similar Documents

Publication Publication Date Title
EP0082306A1 (fr) Installation de chauffage locale
AT409892B (de) Heizeinrichtung für feste brennstoffe, insbesondere kompaktofen bzw. kamineinsatz
DE3126186A1 (de) "offener kamin zur verfeuerung insbesondere von festem, aber auch gasfoermigem oder fluessigem brennstoff"
DE3705153C2 (fr)
DE3620495C2 (fr)
DE2504257C2 (de) Zentralheizungskessel
DE102008007819B4 (de) Montagefähiger Wärmespeicherofen
AT224858B (de) Kachelofen
AT411390B (de) Heizeinsatz für biogene brennstoffe mit integriertem feststoffspeicher und heizungswärmetauscher
DE8114467U1 (de) "speicherofen"
WO2007085038A1 (fr) Appareil de chauffage a accumulation, conduit de fumee et module en vue de leur montage
DE3416115C2 (de) Wasser/Luft-Heizkessel
AT222851B (de) Einrichtung zur Beheizung von Räumen
DE11872C (de) Neuerungen an Ofenkonstruktionen.-SCHNELL und SCHNECKENBCJRGER NACHFOLGER in Oberburg bei Burgdorf (Schweiz). Vertreter: WlRTH & CO. in Frankfurt a./M
AT160028B (de) Dauerbrandofen mit Holzheizung.
AT259175B (de) Dauerbrandofen mit Warmlufterzeugung
DE9419506U1 (de) Wärmespeicherofen
AT375456B (de) Luftzufuehrungsrohr fuer oefen zur verbrennung von festen brennstoffen
DE2948008A1 (de) Feuerungseinsatz fuer kamine
DE879595C (de) Kochherd mit tiefliegendem Rost
EP0061665A1 (fr) Chaudière-accumulateur de chaleur électrique encapsulé
DE4316337B4 (de) Ofen für feste Brennstoffe
AT126602B (de) Bäckerei- oder Trockenofen mit unmittelbarer Beheizung.
DE2821C (de) Heiz-System für Oefen
DE3333394A1 (de) Kachelofen-brennkammer fuer rostlose verbrennung

Legal Events

Date Code Title Description
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

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19831228

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

REF Corresponds to:

Ref document number: 22167

Country of ref document: AT

Date of ref document: 19860915

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3273232

Country of ref document: DE

Date of ref document: 19861016

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19861130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19861130

Year of fee payment: 5

ITF It: translation for a ep patent filed

Owner name: MODIANO & ASSOCIATI S.R.L.

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19861218

Year of fee payment: 5

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19871116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19871117

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19871130

Ref country code: CH

Effective date: 19871130

Ref country code: BE

Effective date: 19871130

BERE Be: lapsed

Owner name: TOTH LASZLO

Effective date: 19871130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19880601

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19880729

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19880802

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19881122

EUG Se: european patent has lapsed

Ref document number: 82110577.2

Effective date: 19880913