EP0005405B1 - Appareil pour la destruction des microfiches - Google Patents

Appareil pour la destruction des microfiches Download PDF

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Publication number
EP0005405B1
EP0005405B1 EP79400281A EP79400281A EP0005405B1 EP 0005405 B1 EP0005405 B1 EP 0005405B1 EP 79400281 A EP79400281 A EP 79400281A EP 79400281 A EP79400281 A EP 79400281A EP 0005405 B1 EP0005405 B1 EP 0005405B1
Authority
EP
European Patent Office
Prior art keywords
tube
microfiches
heating
cap
jacket
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.)
Expired
Application number
EP79400281A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0005405A3 (en
EP0005405A2 (fr
Inventor
Jean-Claude Berard
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.)
SEB SA
Original Assignee
SEB 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.)
Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Priority to AT79400281T priority Critical patent/ATE369T1/de
Publication of EP0005405A2 publication Critical patent/EP0005405A2/fr
Publication of EP0005405A3 publication Critical patent/EP0005405A3/xx
Application granted granted Critical
Publication of EP0005405B1 publication Critical patent/EP0005405B1/fr
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C11/00—Auxiliary processes in photography
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C11/00—Auxiliary processes in photography
    • G03C11/24—Removing emulsion from waste photographic material; Recovery of photosensitive or other substances

Definitions

  • the present invention relates to an apparatus for destroying microfiches comprising a photosensitive support intended to receive information in particular of accounting nature. These microfiche must be destroyed after use for reasons of confidentiality.
  • the present invention aims to allow safe and economical destruction of microfiches, whatever their composition, without causing the creation of polluting waste.
  • the apparatus targeted by the invention for the destruction of microfiches comprises a vertical tubular envelope fixed on a base and surrounded by a heating resistor.
  • this device is characterized in that inside the tubular casing is removably accommodated a tube provided with a stopper, made of a material resistant to temperatures of the order of 200 to 250 ° C, this tube having an internal diameter adapted to receive one or more microfiches wound one on the other along the axis of the tube and in that the apparatus comprises means for ensuring a substantially sealed closure of the tube by its cap for cooking microfiches.
  • this device can be used to obtain complete destruction of the microfiches by fusion and solidification, transforming the bundle of microfiches into an indecipherable compact block which can be thrown away with the tube.
  • This device can have a very small dimension and a low electrical power thanks to the excellent efficiency of the heat transfer between the heating resistors and the microfiches whose surface is in intimate contact with the wall of the tube.
  • This device essentially comprises a heating tubular casing 1 fixed to a base 2 by a screw 3, this casing 1 thus being kept vertical in the service position.
  • the casing 1 comprises a cylindrical outer wall 4 which surrounds a tubular insulating wall 5 providing inside an axial housing 6.
  • the inner surface of the wall 5 is provided with a flexible electric heating resistor 7, wound helically.
  • the bottom of the casing 1 is provided with a return spring 8 and the upper periphery 4a of the wall 4 is threaded to receive a metal cap 9 intended to be screwed by means of an attached handle 11, made of insulating material, which is thermally insulated from the cap 9, but is made integral with the latter by connecting screws 12.
  • the power is supplied by the conductors 19 which terminate in a push button switch 21.
  • the conductors serving the heating resistor 7 and whose supply is controlled by the programmer 20 are also see at 22.
  • FIG. 2 To the device thus constituted is added (FIG. 2) a disposable tube 25 for example of very inexpensive spun aluminum and provided with a plug 26 mounted frictionally, of the same material.
  • the tube 25 has dimensions such that it can receive, for example, up to six microfiches rolled together along the axis of the tube.
  • the outside diameter of the tube 25 corresponds to the inside diameter of the insulating wall 5 and its height, after fitting the plug 26, is greater than that of the wall 4.
  • a disposable tube 25 millimeters in diameter, 125 millimeters high in extruded aluminum 0.3 millimeters thick.
  • the microfiche roll 30 is liquefied and then transformed, after cooling, into a hard and compact cylinder allowing no more deciphering and without no smoke.
  • the LEDs 16 and 17 are on.
  • the timer 20 cuts the power to the resistor 7 but keeps the light 17 on for ten minutes, time necessary for the tube 25 to cool down. At the end of this period, the light 17 goes out, the horn 18 is temporarily activated.
  • the user unscrews the cap 9, the tube 25 is lifted by the spring 8 and can be grasped easily, at a temperature where any risk of burns is eliminated.
  • the tube 25 is then discarded with its cap 26 to avoid the release of foul smells, the fumes being however condensed inside the tube after cooling thereof.
  • the device according to the invention is of small volume, can be easily placed on a desk and its production is economical, the price of the tube 25 being moreover negligible.
  • FIGS. 5 and 6 Another industrial embodiment using a fan and comprising a control circuit slightly different from that of the first embodiment is shown in FIGS. 5 and 6.
  • the heating jacket 101 is fixed between an upper flange 102 pierced with holes and a base constituted by a low-profile aluminum cup 113, provided with a return spring 108, this fixing being ensured by means of three spacing columns 103.
  • the flange 102 is fixed on the hollow body 104 of molded material of the 'apparatus by screws 105, the posts 103 being themselves screwed into a steel ring 109 which is thus subject to the flange 102.
  • the connection of the posts 103 with the cup 113 is ensured by screws 131.
  • the heating jacket 101 comprises a cylindrical wall 106 around which a shielded resistor 107 is wound helically.
  • the jacket 101 is surrounded by a cylindrical aluminum reflector 119 intended to avoid excessive heating of the neighboring parts.
  • the envelope 101 is intended to receive the disposable tube 25 containing the microfiches and closed by its cap 26, which has a frustoconical bearing having for example a slope of 3%.
  • the ring 109 is tapped at 109a to re likewise a threaded metal cap 110 intended to be screwed by means of an attached flywheel 111, of insulating material, thermally insulated from the cap 110 but which is made integral by screws 112.
  • a counterweight 132 on which the cap 110 can press via an anti-friction ball 133.
  • the counterweight 132 is intended to press the plug 26 of the tube 25 under the pressure communicated by the cap 110 when the latter is screwed in the ring 109 thanks to the handwheel 111.
  • a propeller fan 124 fixed on the removable bottom of the body 104.
  • the air circulation is ensured by suction openings 104a and outlet 104b. (Arrows F).
  • the electrical supply circuit of the resistor 107 serves two safety contactors 117a, 117b mounted in series, fixed on plates 116a, 116b carrying printed circuits and respectively intended to control the correct positioning from the bottom of the tube 25 in the cup 113 and the correct closure of the cap 110.
  • the contactors 117a, 1 17b are controlled by feelers 141a, 141b passing respectively through the cover 113 and the ring 109. These feelers 141a, 1416 ensure that when they are pushed back the contactors 117a, 117b are closed by means of levers 118a, 118b articulated on the pads 116a, 1166.
  • the contactors 117a, 117b are also mounted in series with a thermostat 114 fixed on the cup 103 and which measures the temperature of the latter.
  • the conductors 151 and the conductors 152 supplying the fan 124 lead to a printed control circuit constituting a sequential system, carried by a plate 120 (FIG. 6) on which is mounted a push-button switch 123 supplied by a cord 122, an indicator 121 and a potentiometer 130 belonging to an electronic timer and making it possible to adjust the operating time of the fan 124.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Resistance Heating (AREA)
  • Closures For Containers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Drying Of Semiconductors (AREA)
  • Optical Recording Or Reproduction (AREA)
EP79400281A 1978-05-08 1979-05-02 Appareil pour la destruction des microfiches Expired EP0005405B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79400281T ATE369T1 (de) 1978-05-08 1979-05-02 Vorrichtung zum vernichten von mikrofilmen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU79621 1978-05-08
LU79621A LU79621A1 (fr) 1978-05-08 1978-05-08 Procede et appareil pour la destruction des microfiches et analogues

Publications (3)

Publication Number Publication Date
EP0005405A2 EP0005405A2 (fr) 1979-11-14
EP0005405A3 EP0005405A3 (en) 1979-11-28
EP0005405B1 true EP0005405B1 (fr) 1981-11-04

Family

ID=19728914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400281A Expired EP0005405B1 (fr) 1978-05-08 1979-05-02 Appareil pour la destruction des microfiches

Country Status (6)

Country Link
US (1) US4355227A (enrdf_load_stackoverflow)
EP (1) EP0005405B1 (enrdf_load_stackoverflow)
AT (1) ATE369T1 (enrdf_load_stackoverflow)
DE (1) DE2961212D1 (enrdf_load_stackoverflow)
FR (1) FR2425660A1 (enrdf_load_stackoverflow)
LU (1) LU79621A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644131A1 (de) * 1986-12-23 1988-07-07 Classen Papertronics Kg Verfahren und vorrichtung zur vernichtung von mikrofilmen

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL94631A (en) * 1989-06-09 1994-04-12 Docc Inc Device and process for sterile disposal of syringes
US5003892A (en) * 1989-06-09 1991-04-02 D.O.C.C., Inc. Process for sterile disposal of syringes
US5256861A (en) * 1991-04-09 1993-10-26 Anthony Frank H Method and apparatus for encapsulation and sterilization of medical waste sharps
AU3414793A (en) * 1991-12-30 1993-07-28 D.O.C.C., Inc. Apparatus and process for sterile disposal
DE19817709B4 (de) * 1998-04-21 2011-03-17 Crystal Growing Systems Gmbh Verfahren für die Überwachung einer Schmelze für die Herstellung von Kristallen

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US371842A (en) * 1887-10-18 John hewes
US1581259A (en) * 1923-01-29 1926-04-20 Casting Res Inc Electric heater
US1530416A (en) * 1923-06-13 1925-03-17 Gen Electric Electric cooking apparatus
US1661354A (en) * 1927-03-17 1928-03-06 William W Ayre Antifreeze container
US1762171A (en) * 1927-11-14 1930-06-10 Aaron H Goldsmith Electric baby-bottle warmer
US2281235A (en) * 1940-11-28 1942-04-28 Cooper Wilford Beryllium Ltd Process of fusing beryllium chloride
US2595411A (en) * 1946-01-08 1952-05-06 Ripoche Christian Andr Maurice Method of removing oxides, oils, and grease from an uncoated metal article
US2640907A (en) * 1950-12-01 1953-06-02 Glas Col Apparatus Co Inc Warming device
US3115986A (en) * 1962-05-14 1963-12-31 Harold M Grof Waste container
FR1387519A (fr) * 1963-02-26 1965-01-29 Thomson Houston Comp Francaise Perfectionnements apportés aux dispositifs destinés à enregistrer des documents
DE1294600B (de) * 1963-07-19 1969-05-08 Inst Ziegelforschung Essen E V Laboratoriums- oder Kleinofen
US3351741A (en) * 1964-07-08 1967-11-07 Shelley Mfg Company Dish-dispensing apparatus
GB1219112A (en) * 1967-04-27 1971-01-13 Rank Xerox Ltd Surface deformation imaging process
DE2136748A1 (de) * 1971-07-22 1973-02-01 Wolfgang Bartl Elektrische heizvorrichtung fuer ein flaschenartiges gefaess
FR2294469A1 (fr) * 1974-12-11 1976-07-09 Saint Meloir Marguerite De Procede et dispositif d'effacement des informations impressionnees sur microfiches
FR2365821A1 (fr) * 1976-09-22 1978-04-21 Roulomat Procede et dispositif de destruction de microfiches ou documents similaires
FR2399278A1 (fr) * 1977-08-01 1979-03-02 Trinquier Bernard Annulateur de microforme et supports de copie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644131A1 (de) * 1986-12-23 1988-07-07 Classen Papertronics Kg Verfahren und vorrichtung zur vernichtung von mikrofilmen

Also Published As

Publication number Publication date
US4355227A (en) 1982-10-19
EP0005405A3 (en) 1979-11-28
DE2961212D1 (en) 1982-01-14
FR2425660A1 (fr) 1979-12-07
EP0005405A2 (fr) 1979-11-14
LU79621A1 (fr) 1979-12-06
ATE369T1 (de) 1981-11-15
FR2425660B1 (enrdf_load_stackoverflow) 1983-04-29

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