FR2081850A1 - - Google Patents
Info
- Publication number
- FR2081850A1 FR2081850A1 FR7108358A FR7108358A FR2081850A1 FR 2081850 A1 FR2081850 A1 FR 2081850A1 FR 7108358 A FR7108358 A FR 7108358A FR 7108358 A FR7108358 A FR 7108358A FR 2081850 A1 FR2081850 A1 FR 2081850A1
- Authority
- FR
- France
- 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
Links
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
- G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1604—Arrangement or disposition of the entire apparatus
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1604—Arrangement or disposition of the entire apparatus
- G03G21/1623—Means to access the interior of the apparatus
- G03G21/1628—Clamshell type
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
- G03G21/1647—Mechanical connection means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1606—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1618—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the cleaning unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1618—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the cleaning unit
- G03G2221/1624—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the cleaning unit transporting cleaned toner into separate vessels, e.g. photoreceptors, external containers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/163—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the developer unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1636—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the exposure unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
- G03G2221/1654—Locks and means for positioning or alignment
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
- G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1672—Paper handling
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/18—Cartridge systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Cleaning In Electrography (AREA)
- Dry Development In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Fixing For Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45020075A JPS5029651B1 (fr) | 1970-03-11 | 1970-03-11 | |
JP3211270 | 1970-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2081850A1 true FR2081850A1 (fr) | 1971-12-10 |
FR2081850B1 FR2081850B1 (fr) | 1976-04-16 |
Family
ID=26356967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7108358A Expired FR2081850B1 (fr) | 1970-03-11 | 1971-03-10 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3784297A (fr) |
CA (1) | CA959114A (fr) |
DE (6) | DE2111759A1 (fr) |
FR (1) | FR2081850B1 (fr) |
GB (1) | GB1352752A (fr) |
NL (2) | NL7103059A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2193999A1 (fr) * | 1972-07-20 | 1974-02-22 | Mita Ind Cx Ltd |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2264824C3 (de) * | 1971-06-03 | 1979-02-08 | Canon K.K., Tokio | Blattzufuhreinrichtung in einem Kopiergerät |
NL7305054A (fr) * | 1972-04-13 | 1973-10-16 | ||
IT969511B (it) * | 1972-07-13 | 1974-04-10 | Olivetti & Co Spa | Dispositivo per lo sviluppo a spaz zola magnetica di immagini elettro statiche latenti |
JPS552867B2 (fr) * | 1972-09-24 | 1980-01-22 | ||
JPS5211595B2 (fr) * | 1972-09-29 | 1977-03-31 | ||
US3826892A (en) * | 1972-10-25 | 1974-07-30 | Xerox Corp | Fusing apparatus |
JPS5544951B2 (fr) * | 1974-05-21 | 1980-11-14 | ||
US4168901A (en) * | 1975-01-21 | 1979-09-25 | Canon Kabushiki Kaisha | Developer housing sealing device for electrophotography |
DE2507151B2 (de) * | 1975-02-19 | 1977-01-27 | Agfa-Gevaert Ag, 5090 Leverkusen | Reinigungsvorrichtung fuer elektrofotografische kopiergeraete |
DE2507152C3 (de) * | 1975-02-19 | 1978-11-02 | Agfa-Gevaert Ag, 5090 Leverkusen | Reinigungseinrichtung für elektrofotografische Kopiergeräte |
US4134673A (en) * | 1975-02-27 | 1979-01-16 | Xerox Corporation | Dual brush cleaning apparatus |
US4127082A (en) * | 1975-09-26 | 1978-11-28 | Sharp Kabushiki Kaisha | Wiper roller for drying a wet sheet in a copying machine |
US3999514A (en) * | 1975-09-29 | 1976-12-28 | International Business Machines Corporation | Magnetic brush developer |
US4030824A (en) * | 1975-11-03 | 1977-06-21 | Xerox Corporation | Reproducing apparatus having an improved imaging surface cleaning system |
US4023897A (en) * | 1976-01-28 | 1977-05-17 | International Business Machines Corporation | Optics drive mechanism |
DE2606458A1 (de) * | 1976-02-18 | 1977-08-25 | Eisbein Develop | Kopiergeraet |
JPS52125331A (en) * | 1976-04-13 | 1977-10-21 | Canon Inc | Prevention and device for disorder of unfixed visible image |
JPS5536845Y2 (fr) * | 1976-11-30 | 1980-08-29 | ||
DE2717055A1 (de) * | 1977-04-18 | 1978-10-19 | Siemens Ag | Einrichtung zum lagern einer als zwischentraeger in einem nach dem elektrostatischen prinzip arbeitenden druck- oder kopiergeraet verwendeten trommel |
US4188907A (en) * | 1977-08-11 | 1980-02-19 | Xerox Corporation | Particle dispenser with a magnetically driven agitator |
JPS5347834U (fr) * | 1977-09-21 | 1978-04-22 | ||
JPS6237246Y2 (fr) * | 1978-12-27 | 1987-09-22 | ||
JPS6026018Y2 (ja) * | 1978-12-27 | 1985-08-05 | コニカ株式会社 | 複写機等のクリ−ニング装置 |
JPS6326826Y2 (fr) * | 1979-06-08 | 1988-07-20 | ||
DE3116870C1 (de) * | 1981-04-28 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zum Einfuellen von Toner aus einem Behaelter in einen Vorratsbehaelter |
DE3117229C2 (de) * | 1981-04-30 | 1983-05-11 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur Entfernung des Entwicklergemisches aus einer Entwicklerstation einer elektrografischen Einrichtung |
DE3117238C2 (de) * | 1981-04-30 | 1984-11-15 | Siemens AG, 1000 Berlin und 8000 München | Magnetbürstenanordnung in einer Entwicklungsvorrichtung zur Entwicklung von Ladungsbildern auf einem Ladungsbildträger |
DE3117309C2 (de) * | 1981-04-30 | 1983-04-14 | Siemens AG, 1000 Berlin und 8000 München | Mischvorrichtung zur Durchmischung eines aus Trägerteilchen und Toner bestehenden Entwicklers |
DE3224296C1 (de) * | 1982-06-29 | 1983-06-09 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zum Einfuellen und Sieben von Toner aus einem Behaelter in einen Tonervorratsbehaelter |
EP0110380B2 (fr) * | 1982-11-30 | 1991-05-15 | Mita Industrial Co. Ltd. | Appareil de formation d'images |
DE3661335D1 (en) * | 1985-10-09 | 1989-01-05 | Siemens Ag | Device for purging a developer mixture containing a magnetic component from the developer unit of a non-mechanical printing or copying machine |
DE3633593A1 (de) * | 1986-10-02 | 1988-04-07 | Siemens Ag | Vorrichtung zum verschmutzungsfreien wechseln eines tonerbehaelters in einer tonerfoerdereinrichtung eines nichtmechanischen druck- oder kopiergeraetes |
DE3633606A1 (de) * | 1986-10-02 | 1988-04-14 | Siemens Ag | Multifunktionaler tonerbehaelter fuer nichtmechanische druck- und kopiergeraete |
DE3633599A1 (de) * | 1986-10-02 | 1988-04-07 | Siemens Ag | Vorrichtung zum einfuellen von toner aus einem transportbehaelter in einen tonervorratsbehaelter |
JPS63101969U (fr) * | 1986-12-22 | 1988-07-02 | ||
JPH01146243U (fr) * | 1988-03-31 | 1989-10-09 | ||
JPH0369153U (fr) * | 1989-11-09 | 1991-07-09 | ||
US6126356A (en) * | 1998-06-29 | 2000-10-03 | Xerox Corporation | Gear mounting using tubing and snap-fit caps |
JP4574319B2 (ja) * | 2004-10-20 | 2010-11-04 | キヤノン株式会社 | 定着装置 |
JP5583159B2 (ja) | 2012-03-01 | 2014-09-03 | キヤノン株式会社 | 画像形成装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2959095A (en) * | 1957-06-03 | 1960-11-08 | Rca Corp | Office copying machine |
US3148601A (en) * | 1960-12-23 | 1964-09-15 | Xerox Corp | Xerographic reproducing apparatus |
FR2018951A1 (fr) * | 1968-09-26 | 1970-06-26 | Procter & Gamble | |
US3883240A (en) * | 1970-03-11 | 1975-05-13 | Canon Kk | Electrophotographic copying machine |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2882412A (en) * | 1953-06-03 | 1959-04-14 | Olin Mathieson | Apparatus for treating plastic material |
BE545664A (fr) * | 1955-03-03 | |||
US3062094A (en) * | 1958-12-29 | 1962-11-06 | Xerox Corp | Electrophotographic copying apparatus |
US3062095A (en) * | 1959-07-02 | 1962-11-06 | Xerox Corp | Projector optical scanning system |
US3088386A (en) * | 1959-11-16 | 1963-05-07 | American Photocopy Equip Co | Electrophotographic photocopy machine |
US3187651A (en) * | 1960-12-23 | 1965-06-08 | Xerox Corp | Xerographic reproducing apparatus |
US3150873A (en) * | 1962-03-29 | 1964-09-29 | Burroughs Corp | Item jam detection apparatus |
US3358637A (en) * | 1962-04-24 | 1967-12-19 | Plastic Coating Corp | Toner unit for photoelectrostatic reproduction equipment |
US3239863A (en) * | 1963-08-19 | 1966-03-15 | Thomas A Gardner | Pressure gradient web cleaning apparatus |
GB1078128A (en) * | 1964-12-03 | 1967-08-02 | Arlside Ltd | Cleaning apparatus for electrostatographic purposes |
US3331592A (en) * | 1965-02-04 | 1967-07-18 | Xerox Corp | Xerographic fusing apparatus |
DE1497170A1 (de) * | 1965-07-31 | 1969-05-08 | Arlside Ltd | Elektrophotographisches Vervielfaeltigungsgeraet |
NL6614849A (fr) * | 1965-10-22 | 1967-04-24 | ||
US3471230A (en) * | 1966-04-06 | 1969-10-07 | Addressograph Multigraph | Copying apparatus |
US3374348A (en) * | 1966-05-09 | 1968-03-19 | Scm Corp | Corona unit with a tapered passageway of flectrically nonconductive material betweenconductive housings thatare electrically interconnected |
US3438706A (en) * | 1966-10-07 | 1969-04-15 | Canon Kk | Electrophotographic device |
US3451376A (en) * | 1966-11-09 | 1969-06-24 | Fuji Photo Film Co Ltd | Developing device for electrophotography |
US3501236A (en) * | 1967-02-20 | 1970-03-17 | Addressograph Multigraph | Photoelectrostatic print-out machine |
JPS506382Y1 (fr) * | 1968-01-31 | 1975-02-24 | ||
US3634077A (en) * | 1968-08-26 | 1972-01-11 | Xerox Corp | Method and apparatus for removing a residual image in an electrostatic copying system |
NL167038B (nl) * | 1969-01-21 | Addressograph Multigraph | Elektrofotografische kopieerinrichting. |
-
1971
- 1971-03-02 US US00120132A patent/US3784297A/en not_active Expired - Lifetime
- 1971-03-08 NL NL7103059A patent/NL7103059A/xx active Search and Examination
- 1971-03-10 FR FR7108358A patent/FR2081850B1/fr not_active Expired
- 1971-03-11 DE DE19712111759 patent/DE2111759A1/de active Pending
- 1971-03-11 DE DE2166948A patent/DE2166948C3/de not_active Expired
- 1971-03-11 DE DE19712166668 patent/DE2166668A1/de active Pending
- 1971-03-11 DE DE2167105A patent/DE2167105C2/de not_active Expired
- 1971-03-11 DE DE2166667A patent/DE2166667C3/de not_active Expired
- 1971-03-11 CA CA107,439A patent/CA959114A/en not_active Expired
- 1971-03-11 DE DE2166669A patent/DE2166669C3/de not_active Expired
- 1971-04-19 GB GB2294671A patent/GB1352752A/en not_active Expired
-
1978
- 1978-07-28 NL NL7808013A patent/NL7808013A/xx active Search and Examination
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2959095A (en) * | 1957-06-03 | 1960-11-08 | Rca Corp | Office copying machine |
US3148601A (en) * | 1960-12-23 | 1964-09-15 | Xerox Corp | Xerographic reproducing apparatus |
FR2018951A1 (fr) * | 1968-09-26 | 1970-06-26 | Procter & Gamble | |
US3883240A (en) * | 1970-03-11 | 1975-05-13 | Canon Kk | Electrophotographic copying machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2193999A1 (fr) * | 1972-07-20 | 1974-02-22 | Mita Ind Cx Ltd |
Also Published As
Publication number | Publication date |
---|---|
DE2166948B2 (de) | 1981-07-09 |
DE2167105C2 (de) | 1984-01-26 |
DE2166669A1 (de) | 1975-01-16 |
DE2166669B2 (de) | 1980-09-18 |
FR2081850B1 (fr) | 1976-04-16 |
NL7103059A (fr) | 1971-09-14 |
DE2166948A1 (de) | 1976-11-11 |
DE2166667C3 (de) | 1978-10-26 |
GB1352752A (en) | 1974-05-08 |
DE2166948C3 (de) | 1982-04-01 |
DE2166668A1 (de) | 1975-01-16 |
DE2166669C3 (de) | 1986-10-23 |
CA959114A (en) | 1974-12-10 |
DE2166667B2 (de) | 1978-02-23 |
DE2111759A1 (de) | 1971-09-30 |
DE2166667A1 (de) | 1975-01-16 |
US3784297A (en) | 1974-01-08 |
NL7808013A (nl) | 1978-12-29 |