METHOD AND DEVICE FOR COATING
The invention relates to metallurgy. The proposed method for coating of articles provides for introducing into a gas flow the powder of a material chosen from a group consisting of metals, alloys and their mechanical mixtures, or dielectrics, and having a particle size of 1 to about 50 mu m, in a qu...
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| creator | SHUSHPANOV, MIKHAIL MIKHAILOVICH ALKHIMOV, ANATOLY PAVLOVICH PAPYRIN, ANATOLY NIKIFOROVICH KOSAREV, VLADIMIR FEDOROVICH NESTEROVICH, NIKOLAI IVANOVICH |
| description | The invention relates to metallurgy. The proposed method for coating of articles provides for introducing into a gas flow the powder of a material chosen from a group consisting of metals, alloys and their mechanical mixtures, or dielectrics, and having a particle size of 1 to about 50 mu m, in a quantity sufficient to ensure a mass flux density of the particles of 0.05 to 17 g/sec.cm , so as to form a gas-powder mixture which is directed on the surface of the article, the gas flow being given a supersonic speed and being formed into a supersonic jet of a desired profile providing for a speed of the powder particles in the gas-powder mixture of 300-1,200 m/sec. A device for implementation of the method comprises a doser-feeder (1) and, interconnected to each other, a bunker (2) for the powder, a means for dosing it consisting of a horizontally mounted drum (9) with recesses provided along a spiral line on its cylindrical surface (9'), a mixing chamber (3), a nozzle (4) intended for acceleration of the powder particles and connected to the mixing chamber (3), a compressed air source (5) connected to a means for feeding the compressed air to the mixing chamber (3), a flow regulator (11) for the powder particles mounted in relation to the cylindrical surface (9') of the drum (9) with a gap (12) ensuring the required mass flow of the powder, an intermediate nozzle (13) coupled with the mixing chamber (3) and connecting through its inlet pipe (8) to the means for feeding the compressed air, and a baffle (15) mounted on the bottom of the bunker (2) and in close proximity to the cylindrical surface (9') of the drum, the nozzle (4) for acceleration of the powder particles having a supersonic design and being provided with a profiled channel (18).
L'invention concerne la métallurgie. Le procédé de revêtement d'articles consiste à introduire dans un flux de gas la poudre d'une matière choisie dans un groupe composé de métaux, d'alliages et de leurs mélanges mécaniques, ou diélectriques, et ayant une granulométrie comprise entre 1 et environ 50 mum en une quantité suffisante pour assurer la densité de flux massique des particules entre 0,05 et 17 g/sec.cm2, de manière à former un mélange gas/poudre que l'on oriente sur la surface de l'article, l'écoulement de gas étant accéléré à une vitesse supersonique et transformé en un jet supersonique d'un profil voulu assurant une vitesse des particules de poudre dans le mélange gas/poudre de 300 à 1200 m/sec. Un dispositif de |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP0484533A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP0484533A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP0484533A13</originalsourceid><addsrcrecordid>eNrjZJD1dQ3x8HdRcPRzUXBxDfN0dlVw8w9ScPZ3DPH0c-dhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAQYmFiamxsaOhsZEKAEALz0gUg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>METHOD AND DEVICE FOR COATING</title><source>esp@cenet</source><creator>SHUSHPANOV, MIKHAIL MIKHAILOVICH ; ALKHIMOV, ANATOLY PAVLOVICH ; PAPYRIN, ANATOLY NIKIFOROVICH ; KOSAREV, VLADIMIR FEDOROVICH ; NESTEROVICH, NIKOLAI IVANOVICH</creator><creatorcontrib>SHUSHPANOV, MIKHAIL MIKHAILOVICH ; ALKHIMOV, ANATOLY PAVLOVICH ; PAPYRIN, ANATOLY NIKIFOROVICH ; KOSAREV, VLADIMIR FEDOROVICH ; NESTEROVICH, NIKOLAI IVANOVICH</creatorcontrib><description>The invention relates to metallurgy. The proposed method for coating of articles provides for introducing into a gas flow the powder of a material chosen from a group consisting of metals, alloys and their mechanical mixtures, or dielectrics, and having a particle size of 1 to about 50 mu m, in a quantity sufficient to ensure a mass flux density of the particles of 0.05 to 17 g/sec.cm , so as to form a gas-powder mixture which is directed on the surface of the article, the gas flow being given a supersonic speed and being formed into a supersonic jet of a desired profile providing for a speed of the powder particles in the gas-powder mixture of 300-1,200 m/sec. A device for implementation of the method comprises a doser-feeder (1) and, interconnected to each other, a bunker (2) for the powder, a means for dosing it consisting of a horizontally mounted drum (9) with recesses provided along a spiral line on its cylindrical surface (9'), a mixing chamber (3), a nozzle (4) intended for acceleration of the powder particles and connected to the mixing chamber (3), a compressed air source (5) connected to a means for feeding the compressed air to the mixing chamber (3), a flow regulator (11) for the powder particles mounted in relation to the cylindrical surface (9') of the drum (9) with a gap (12) ensuring the required mass flow of the powder, an intermediate nozzle (13) coupled with the mixing chamber (3) and connecting through its inlet pipe (8) to the means for feeding the compressed air, and a baffle (15) mounted on the bottom of the bunker (2) and in close proximity to the cylindrical surface (9') of the drum, the nozzle (4) for acceleration of the powder particles having a supersonic design and being provided with a profiled channel (18).
L'invention concerne la métallurgie. Le procédé de revêtement d'articles consiste à introduire dans un flux de gas la poudre d'une matière choisie dans un groupe composé de métaux, d'alliages et de leurs mélanges mécaniques, ou diélectriques, et ayant une granulométrie comprise entre 1 et environ 50 mum en une quantité suffisante pour assurer la densité de flux massique des particules entre 0,05 et 17 g/sec.cm2, de manière à former un mélange gas/poudre que l'on oriente sur la surface de l'article, l'écoulement de gas étant accéléré à une vitesse supersonique et transformé en un jet supersonique d'un profil voulu assurant une vitesse des particules de poudre dans le mélange gas/poudre de 300 à 1200 m/sec. Un dispositif de mise en oeuvre du procédé comprend un doseur/alimenteur (1) et, interconnectés les uns aux autres, un silo (2) de poudre, un moyen destiné à la doser et composé d'un tambour monté horizontalement (9) présentant des évidements ménagés le long d'une ligne spiralée sur sa surface cylindrique (9'), une chambre de mélange (3), un ajutage (4) destiné à accélérer les particules de poudre et connecté à la chambre de mélange (3), une source d'air comprimé (5) connectée à un moyen d'alimentation en air comprimé de la chambre de mélange (3), un régulateur (11) de débit de particules de poudre monté par rapport à la surface cylindrique (9') du tambour (9) avec un espace (12) assurant le débit massique requis en poudre, un ajutage intermédiaire (13) couplé à la chambre de mélange (3) et connecté par l'intermédiaire de son tuyau de branchement (8) à l'alimentation en air comprimé, ainsi qu'un déflecteur (15) monté sur la partie inférieure du silo (2) à proximité de la surface cylindrique (9') du tambour, ledit ajutage (4) d'accélération des particules de poudre ayant une configuration supersonique et étant doté d'un canal profilé (18).</description><language>eng ; fre ; ger</language><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ; ATOMISING APPARATUS ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; NOZZLES ; PERFORMING OPERATIONS ; SPRAYING APPARATUS ; SPRAYING OR ATOMISING IN GENERAL ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TRANSPORTING</subject><creationdate>1992</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920513&DB=EPODOC&CC=EP&NR=0484533A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920513&DB=EPODOC&CC=EP&NR=0484533A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHUSHPANOV, MIKHAIL MIKHAILOVICH</creatorcontrib><creatorcontrib>ALKHIMOV, ANATOLY PAVLOVICH</creatorcontrib><creatorcontrib>PAPYRIN, ANATOLY NIKIFOROVICH</creatorcontrib><creatorcontrib>KOSAREV, VLADIMIR FEDOROVICH</creatorcontrib><creatorcontrib>NESTEROVICH, NIKOLAI IVANOVICH</creatorcontrib><title>METHOD AND DEVICE FOR COATING</title><description>The invention relates to metallurgy. The proposed method for coating of articles provides for introducing into a gas flow the powder of a material chosen from a group consisting of metals, alloys and their mechanical mixtures, or dielectrics, and having a particle size of 1 to about 50 mu m, in a quantity sufficient to ensure a mass flux density of the particles of 0.05 to 17 g/sec.cm , so as to form a gas-powder mixture which is directed on the surface of the article, the gas flow being given a supersonic speed and being formed into a supersonic jet of a desired profile providing for a speed of the powder particles in the gas-powder mixture of 300-1,200 m/sec. A device for implementation of the method comprises a doser-feeder (1) and, interconnected to each other, a bunker (2) for the powder, a means for dosing it consisting of a horizontally mounted drum (9) with recesses provided along a spiral line on its cylindrical surface (9'), a mixing chamber (3), a nozzle (4) intended for acceleration of the powder particles and connected to the mixing chamber (3), a compressed air source (5) connected to a means for feeding the compressed air to the mixing chamber (3), a flow regulator (11) for the powder particles mounted in relation to the cylindrical surface (9') of the drum (9) with a gap (12) ensuring the required mass flow of the powder, an intermediate nozzle (13) coupled with the mixing chamber (3) and connecting through its inlet pipe (8) to the means for feeding the compressed air, and a baffle (15) mounted on the bottom of the bunker (2) and in close proximity to the cylindrical surface (9') of the drum, the nozzle (4) for acceleration of the powder particles having a supersonic design and being provided with a profiled channel (18).
L'invention concerne la métallurgie. Le procédé de revêtement d'articles consiste à introduire dans un flux de gas la poudre d'une matière choisie dans un groupe composé de métaux, d'alliages et de leurs mélanges mécaniques, ou diélectriques, et ayant une granulométrie comprise entre 1 et environ 50 mum en une quantité suffisante pour assurer la densité de flux massique des particules entre 0,05 et 17 g/sec.cm2, de manière à former un mélange gas/poudre que l'on oriente sur la surface de l'article, l'écoulement de gas étant accéléré à une vitesse supersonique et transformé en un jet supersonique d'un profil voulu assurant une vitesse des particules de poudre dans le mélange gas/poudre de 300 à 1200 m/sec. Un dispositif de mise en oeuvre du procédé comprend un doseur/alimenteur (1) et, interconnectés les uns aux autres, un silo (2) de poudre, un moyen destiné à la doser et composé d'un tambour monté horizontalement (9) présentant des évidements ménagés le long d'une ligne spiralée sur sa surface cylindrique (9'), une chambre de mélange (3), un ajutage (4) destiné à accélérer les particules de poudre et connecté à la chambre de mélange (3), une source d'air comprimé (5) connectée à un moyen d'alimentation en air comprimé de la chambre de mélange (3), un régulateur (11) de débit de particules de poudre monté par rapport à la surface cylindrique (9') du tambour (9) avec un espace (12) assurant le débit massique requis en poudre, un ajutage intermédiaire (13) couplé à la chambre de mélange (3) et connecté par l'intermédiaire de son tuyau de branchement (8) à l'alimentation en air comprimé, ainsi qu'un déflecteur (15) monté sur la partie inférieure du silo (2) à proximité de la surface cylindrique (9') du tambour, ledit ajutage (4) d'accélération des particules de poudre ayant une configuration supersonique et étant doté d'un canal profilé (18).</description><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</subject><subject>ATOMISING APPARATUS</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>METALLURGY</subject><subject>NOZZLES</subject><subject>PERFORMING OPERATIONS</subject><subject>SPRAYING APPARATUS</subject><subject>SPRAYING OR ATOMISING IN GENERAL</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD1dQ3x8HdRcPRzUXBxDfN0dlVw8w9ScPZ3DPH0c-dhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAQYmFiamxsaOhsZEKAEALz0gUg</recordid><startdate>19920513</startdate><enddate>19920513</enddate><creator>SHUSHPANOV, MIKHAIL MIKHAILOVICH</creator><creator>ALKHIMOV, ANATOLY PAVLOVICH</creator><creator>PAPYRIN, ANATOLY NIKIFOROVICH</creator><creator>KOSAREV, VLADIMIR FEDOROVICH</creator><creator>NESTEROVICH, NIKOLAI IVANOVICH</creator><scope>EVB</scope></search><sort><creationdate>19920513</creationdate><title>METHOD AND DEVICE FOR COATING</title><author>SHUSHPANOV, MIKHAIL MIKHAILOVICH ; ALKHIMOV, ANATOLY PAVLOVICH ; PAPYRIN, ANATOLY NIKIFOROVICH ; KOSAREV, VLADIMIR FEDOROVICH ; NESTEROVICH, NIKOLAI IVANOVICH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0484533A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1992</creationdate><topic>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</topic><topic>ATOMISING APPARATUS</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>METALLURGY</topic><topic>NOZZLES</topic><topic>PERFORMING OPERATIONS</topic><topic>SPRAYING APPARATUS</topic><topic>SPRAYING OR ATOMISING IN GENERAL</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>SHUSHPANOV, MIKHAIL MIKHAILOVICH</creatorcontrib><creatorcontrib>ALKHIMOV, ANATOLY PAVLOVICH</creatorcontrib><creatorcontrib>PAPYRIN, ANATOLY NIKIFOROVICH</creatorcontrib><creatorcontrib>KOSAREV, VLADIMIR FEDOROVICH</creatorcontrib><creatorcontrib>NESTEROVICH, NIKOLAI IVANOVICH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHUSHPANOV, MIKHAIL MIKHAILOVICH</au><au>ALKHIMOV, ANATOLY PAVLOVICH</au><au>PAPYRIN, ANATOLY NIKIFOROVICH</au><au>KOSAREV, VLADIMIR FEDOROVICH</au><au>NESTEROVICH, NIKOLAI IVANOVICH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD AND DEVICE FOR COATING</title><date>1992-05-13</date><risdate>1992</risdate><abstract>The invention relates to metallurgy. The proposed method for coating of articles provides for introducing into a gas flow the powder of a material chosen from a group consisting of metals, alloys and their mechanical mixtures, or dielectrics, and having a particle size of 1 to about 50 mu m, in a quantity sufficient to ensure a mass flux density of the particles of 0.05 to 17 g/sec.cm , so as to form a gas-powder mixture which is directed on the surface of the article, the gas flow being given a supersonic speed and being formed into a supersonic jet of a desired profile providing for a speed of the powder particles in the gas-powder mixture of 300-1,200 m/sec. A device for implementation of the method comprises a doser-feeder (1) and, interconnected to each other, a bunker (2) for the powder, a means for dosing it consisting of a horizontally mounted drum (9) with recesses provided along a spiral line on its cylindrical surface (9'), a mixing chamber (3), a nozzle (4) intended for acceleration of the powder particles and connected to the mixing chamber (3), a compressed air source (5) connected to a means for feeding the compressed air to the mixing chamber (3), a flow regulator (11) for the powder particles mounted in relation to the cylindrical surface (9') of the drum (9) with a gap (12) ensuring the required mass flow of the powder, an intermediate nozzle (13) coupled with the mixing chamber (3) and connecting through its inlet pipe (8) to the means for feeding the compressed air, and a baffle (15) mounted on the bottom of the bunker (2) and in close proximity to the cylindrical surface (9') of the drum, the nozzle (4) for acceleration of the powder particles having a supersonic design and being provided with a profiled channel (18).
L'invention concerne la métallurgie. Le procédé de revêtement d'articles consiste à introduire dans un flux de gas la poudre d'une matière choisie dans un groupe composé de métaux, d'alliages et de leurs mélanges mécaniques, ou diélectriques, et ayant une granulométrie comprise entre 1 et environ 50 mum en une quantité suffisante pour assurer la densité de flux massique des particules entre 0,05 et 17 g/sec.cm2, de manière à former un mélange gas/poudre que l'on oriente sur la surface de l'article, l'écoulement de gas étant accéléré à une vitesse supersonique et transformé en un jet supersonique d'un profil voulu assurant une vitesse des particules de poudre dans le mélange gas/poudre de 300 à 1200 m/sec. Un dispositif de mise en oeuvre du procédé comprend un doseur/alimenteur (1) et, interconnectés les uns aux autres, un silo (2) de poudre, un moyen destiné à la doser et composé d'un tambour monté horizontalement (9) présentant des évidements ménagés le long d'une ligne spiralée sur sa surface cylindrique (9'), une chambre de mélange (3), un ajutage (4) destiné à accélérer les particules de poudre et connecté à la chambre de mélange (3), une source d'air comprimé (5) connectée à un moyen d'alimentation en air comprimé de la chambre de mélange (3), un régulateur (11) de débit de particules de poudre monté par rapport à la surface cylindrique (9') du tambour (9) avec un espace (12) assurant le débit massique requis en poudre, un ajutage intermédiaire (13) couplé à la chambre de mélange (3) et connecté par l'intermédiaire de son tuyau de branchement (8) à l'alimentation en air comprimé, ainsi qu'un déflecteur (15) monté sur la partie inférieure du silo (2) à proximité de la surface cylindrique (9') du tambour, ledit ajutage (4) d'accélération des particules de poudre ayant une configuration supersonique et étant doté d'un canal profilé (18).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING |
| title | METHOD AND DEVICE FOR COATING |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-25T19%3A13%3A19IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=SHUSHPANOV,%20MIKHAIL%20MIKHAILOVICH&rft.date=1992-05-13&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EEP0484533A1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |