EP0597162A1 - U.V.-Trockner für Etikettiermaschinen mit mehreren Druckgruppen - Google Patents

U.V.-Trockner für Etikettiermaschinen mit mehreren Druckgruppen Download PDF

Info

Publication number
EP0597162A1
EP0597162A1 EP92470026A EP92470026A EP0597162A1 EP 0597162 A1 EP0597162 A1 EP 0597162A1 EP 92470026 A EP92470026 A EP 92470026A EP 92470026 A EP92470026 A EP 92470026A EP 0597162 A1 EP0597162 A1 EP 0597162A1
Authority
EP
European Patent Office
Prior art keywords
reflector
air
dryer according
ultraviolet dryer
ultraviolet
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.)
Withdrawn
Application number
EP92470026A
Other languages
English (en)
French (fr)
Inventor
Christian Lumpp
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.)
FRANCE RAYONNEMENT TECHNOLOGIES
Original Assignee
FRANCE RAYONNEMENT TECHNOLOGIES
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
Priority to FR9110617A priority Critical patent/FR2682745B1/fr
Application filed by FRANCE RAYONNEMENT TECHNOLOGIES filed Critical FRANCE RAYONNEMENT TECHNOLOGIES
Priority to EP92470026A priority patent/EP0597162A1/de
Priority to CA002086371A priority patent/CA2086371A1/fr
Publication of EP0597162A1 publication Critical patent/EP0597162A1/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection

Definitions

  • the subject of the present invention is an ultraviolet dryer with protection of the radiating face of the reflector and cooling of the apparatus and of the product to be treated, while the product is running as well as when the latter is stopped, in particular for a labeling machine with several printing groups.
  • Known dryers are provided with a reflector cooled by a circulation of water. This water circulation is carried out in the very thickness of the aluminum sheet serving as a reflector.
  • the reflector being devoid of air circulation in the environment of the emitter, there is no aeraulic protection against the emanations of degassing products at the time of drying (water, residual solvent, reactive components, etc ...) and which by natural convection rise inside the reflector itself to be deposited on the one hand on the reflection face of the reflector and on the other hand on the quartz face of the emitter, altering the reflectance properties of the reflector and those transparency of the issuer, hence the loss of yield.
  • the mechanical sealing system is only a flat aluminum sheet which, when it is not used in its function of isolating the radiation by closing it when stopped, is "folded" at inside the reflector.
  • this sheet is made of mat aluminum which is essentially non-reflective and whose optical geometry is zero.
  • the object of the present invention is to remedy these drawbacks.
  • an ultraviolet dryer is proposed with protection of the radiating face of the reflector and cooling of the apparatus and of the product to be treated, while the product is running as well as when the latter is stopped, in particular for labeling machines.
  • the reflector consists of two reflector half-shells or half-reflector, pivoting around a hollow axis, said hollow axis allowing the passage of air inside even from the reflector, the air acting both as a protector and as a cooling agent.
  • this air flow can be projected over the entire back of the reflection face, allowing the maximum heat to be evacuated from the reflector, thus keeping it at temperatures below 100 C from an initial ambient temperature of around 25 ° C.
  • This clean filtered cooling air arrives with a certain pressure inside the reflector itself, causing an aeraulic screen such as an air cushion, thus preventing pollution of the surface of the reflector and that of the emitter.
  • an aeraulic screen such as an air cushion
  • the transmitter remains perfectly stable.
  • the same ventilation regime is therefore maintained, thereby cooling the reflectors much more while maintaining the temperature of the product close to ambient temperature.
  • the ambient air in the workshop is sucked in by the fan (1) shown in dotted lines in a first cowling (2).
  • the cowling (2) is secured by screws on the cowling (3).
  • the covers (2) and (3) are cut and opened according to the dimensions of width and height of the cassette which is itself completely open at this location on the outer wall. It can be seen that the air passes laterally between the two walls of the rectangular profile of the cassette and in the same way over the upper part between the cover sheet (3) and the upper wall (5) of the cassette. All of these air flows return towards the front and pass through each hollow axis (6,6 ') to blow inside the reflector secured to its framework and carried by the latter.
  • this air scans the surface of the product to exit through the extraction hole (7) located in the vertical frame of the machine on which the entire device is fixed with screws by l 'intermediate of the cover (3).
  • the two reflectors are opened and closed by means of a toothed pinion axis (9.9 ′) at each reflector and by a rack fixed to two electromagnets (10) with reverse traction or else a double-acting pneumatic cylinder.
  • This rack is a very thick plate, toothed at the two vertical ends and receiving in the case of the electric motor, on either side of the central part, each electromagnet (10), and in the case of the pneumatic motor, in the central axis, receiving a pneumatic cylinder.
  • FIG. 2 shows the ultra-violet emitter (11) and the two shells (12, 12 ′) with the enclosure (13) in hollow profile constituting the housing of the dryer.
  • the reference (13) corresponds to the cover intended to receive the ultraviolet dryers.
  • the shells each support by hooking a parabolic reflector (14, 14 '), the parabolic shape not being limiting.
  • each “half-reflective shell” assembly having pivoted in the standby position, the product is stopped, and the assembly has pivoted to prevent the radiation of the ultraviolet transmitter on the product.
  • the product to be treated can be strips (paper or plastic or metallic products) on which are deposited inks or varnishes to dry or polymerize or crosslink.
  • Each half-shell pivots around a hollow axis (6,6 ') through which the cooling ventilation (1) passes under air pressure.
  • the through holes (8) at the upper and lower ends of the half-reflector force the cooling air to lick the back of the reflector.
  • This air passes for a part in front of the emitter and the reflecting part of the reflector, causing a protective air cushion against pollution of the gaseous effluents generated by the product on drying.
  • the two half-shells pivot on themselves and the energy of the emitter is simultaneously reduced to a third of its nominal value.
  • Residual radiation dissipates for part on the surface of the upper wall (5) of the cassette which re-releases its heat energy by the constant air flow which sweeps it, and for the other part by walls which are the two half-reflectors, the residual radiant energy being completely transformed into convective energy and completely sucked in through the hole (7) located in the vertical frame of the machine.
  • the end (20) of the transmitter is ceramic. This is housed in a nickel tip tube (21) with a clearance of 0.5 mm. This nickel tube is held by a mechanical clamp (22).
  • the supply is made by a wire (23) covered with usual Teflon with connection by electrical terminal (24).
  • the two half "reflector-shell" can close on themselves, the shock not being transmitted to the end of the transmitter which is a fragile part in operation since brought to its temperature of about 200 ° C. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Drying Of Solid Materials (AREA)
EP92470026A 1991-08-21 1992-10-13 U.V.-Trockner für Etikettiermaschinen mit mehreren Druckgruppen Withdrawn EP0597162A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9110617A FR2682745B1 (fr) 1991-08-21 1991-08-21 Secheur ultraviolet pour machines a etiqueter a plusieurs groupes d'impression.
EP92470026A EP0597162A1 (de) 1991-08-21 1992-10-13 U.V.-Trockner für Etikettiermaschinen mit mehreren Druckgruppen
CA002086371A CA2086371A1 (fr) 1991-08-21 1992-12-29 Secheur ultraviolet pour machines a etiqueter a plusieurs groupes d'impression

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9110617A FR2682745B1 (fr) 1991-08-21 1991-08-21 Secheur ultraviolet pour machines a etiqueter a plusieurs groupes d'impression.
EP92470026A EP0597162A1 (de) 1991-08-21 1992-10-13 U.V.-Trockner für Etikettiermaschinen mit mehreren Druckgruppen
CA002086371A CA2086371A1 (fr) 1991-08-21 1992-12-29 Secheur ultraviolet pour machines a etiqueter a plusieurs groupes d'impression

Publications (1)

Publication Number Publication Date
EP0597162A1 true EP0597162A1 (de) 1994-05-18

Family

ID=27169304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92470026A Withdrawn EP0597162A1 (de) 1991-08-21 1992-10-13 U.V.-Trockner für Etikettiermaschinen mit mehreren Druckgruppen

Country Status (3)

Country Link
EP (1) EP0597162A1 (de)
CA (1) CA2086371A1 (de)
FR (1) FR2682745B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996021569A1 (en) * 1995-01-12 1996-07-18 G.E.W. (Ec) Ltd. U.v. dryer for flexographic printing press
GB2495161A (en) * 2012-02-28 2013-04-03 Gew Ec Ltd Ink curing apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2682745B1 (fr) * 1991-08-21 1997-12-26 France Rayonnement Secheur ultraviolet pour machines a etiqueter a plusieurs groupes d'impression.

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2253611A1 (de) * 1972-11-02 1974-05-22 Buettner Schilde Haas Ag Vorrichtung zum aushaerten von fotopolymerisierbaren farben und lacken
FR2253993A1 (de) * 1973-12-06 1975-07-04 Polygraph Leipzig
FR2274449A1 (fr) * 1974-06-17 1976-01-09 Thermogenics New York Inc Appareil de durcissement et de sechage d'encres d'imprimerie
US4015340A (en) * 1975-08-20 1977-04-05 Tec Systems, Inc. Ultraviolet drying apparatus
AU3180677A (en) * 1976-12-23 1979-06-28 K. F Currie Irradiation unit
US4646446A (en) * 1985-11-04 1987-03-03 American Screen Printing Equipment Company UV curing apparatus
EP0416868A1 (de) * 1989-09-08 1991-03-13 W.R. Grace & Co.-Conn. Reflektoraufbau zur Heizung eines Substrates
GB2236382A (en) * 1989-09-29 1991-04-03 Techni Dry Limited Electric heat source
FR2682745A1 (fr) * 1991-08-21 1993-04-23 France Rayonnement Secheur ultraviolet pour machines a etiqueter a plusieurs groupes d'impression.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2253611A1 (de) * 1972-11-02 1974-05-22 Buettner Schilde Haas Ag Vorrichtung zum aushaerten von fotopolymerisierbaren farben und lacken
FR2253993A1 (de) * 1973-12-06 1975-07-04 Polygraph Leipzig
FR2274449A1 (fr) * 1974-06-17 1976-01-09 Thermogenics New York Inc Appareil de durcissement et de sechage d'encres d'imprimerie
US4015340A (en) * 1975-08-20 1977-04-05 Tec Systems, Inc. Ultraviolet drying apparatus
AU3180677A (en) * 1976-12-23 1979-06-28 K. F Currie Irradiation unit
US4646446A (en) * 1985-11-04 1987-03-03 American Screen Printing Equipment Company UV curing apparatus
EP0416868A1 (de) * 1989-09-08 1991-03-13 W.R. Grace & Co.-Conn. Reflektoraufbau zur Heizung eines Substrates
GB2236382A (en) * 1989-09-29 1991-04-03 Techni Dry Limited Electric heat source
FR2682745A1 (fr) * 1991-08-21 1993-04-23 France Rayonnement Secheur ultraviolet pour machines a etiqueter a plusieurs groupes d'impression.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996021569A1 (en) * 1995-01-12 1996-07-18 G.E.W. (Ec) Ltd. U.v. dryer for flexographic printing press
GB2495161A (en) * 2012-02-28 2013-04-03 Gew Ec Ltd Ink curing apparatus
GB2495161B (en) * 2012-02-28 2013-08-07 Gew Ec Ltd Ink curing apparatus
US8984764B2 (en) 2012-02-28 2015-03-24 Gew (Ec) Limited Ink curing apparatus

Also Published As

Publication number Publication date
CA2086371A1 (fr) 1994-06-30
FR2682745A1 (fr) 1993-04-23
FR2682745B1 (fr) 1997-12-26

Similar Documents

Publication Publication Date Title
EP0597162A1 (de) U.V.-Trockner für Etikettiermaschinen mit mehreren Druckgruppen
EP1242805B1 (de) Probebestrahlungsvorrichtung durch elektromagnetische strahlungen zur feststellung des veralterungszustands von proben
FR2771451A1 (fr) Dispositif de protection pour capot d'entree d'air de moteur a reaction, pourvu d'un systeme de degivrage
FR2582090A1 (fr) Secheur a circulation d'air
EP0055665A1 (de) Verfahren zur Vermeidung von Hitzeschäden an einem Rauchabzugsventilatormotor für Brandfälle und Einrichtung zur Ausführung dieses Verfahrens
FR3105367A1 (fr) Module de dispositif de ventilation pour module de refroidissement de véhicule automobile, dispositif de ventilation comportant un tel module et module de refroidissement pour véhicule automobile comprenant un tel dispositif de ventilation
CH648926A5 (fr) Procede et appareil de production de chaleur.
CA2314526A1 (fr) Tambour destine a un appareil de traitement de dechets et appareil correspondant
LU88109A1 (fr) Dispositif incorpore a un miroir pour eviter la formation de buee
CA2173620A1 (fr) Dispositif de deviation sans contact pour materiau en feuille
EP2521642B1 (de) Einheit zur bearbeitung von hohlkörperrohlingen mit einer kammer zur formung einer lichtschleuse
EP0599756A1 (de) Trocken- und Bügelvorrichtung für flache Wäschestücke
FR2588289A1 (fr) Dispositif pour le traitement thermique d'une bande de matiere
FR2492949A1 (fr) Dispositif reflecteur
FR2762666A1 (fr) Dispositif de sechage par rayonnement
EP1889527B1 (de) Belüftungssystem
EP0050177B1 (de) Maschinen mit Deckeln zum Behandeln von Produkten, insbesondere Trockenschleudern
CH337776A (fr) Appareil pour le transport de matière pulvérulente
BE503872A (de)
FR2612616A1 (fr) Appareil de chauffage a energie solaire, du type portatif
EP0006799B1 (de) Verfahren und Vorrichtung zur Erhöhung der Entwicklungsgeschwindigkeit in Diazokopiegeräten
FR2535029A3 (fr) Appareil de chauffage soufflant
FR3004069A1 (fr) Enceinte souple de traitement phytosanitaire ou biocide.
EP0814307A1 (de) Entlüftungsauslass zur Belüftung eines Raumes
FR3128883A1 (fr) Dispositif pour la decontamination d’objets par rayonnement ultraviolet

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

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19941117

17Q First examination report despatched

Effective date: 19960304

18D Application deemed to be withdrawn

Effective date: 19980501