FILM STRETCHING INSTALLATION FOR PREVENTING SOILING DUE TO MELTING OF THE FILM AND METHOD FOR PREVENTING SUCH SOILING IN SUCH AN INSTALLATION
The invention relates to a film stretching installation (1) having a transverse stretching region (3) with treatment zones (2) for heating and/or stretching, through which a film to be stretched (4) can be guided and can be impinged and heated by a gaseous treatment fluid (7) that emerges from a plu...
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| creator | TAUTENHAHN, Simone RESCH, Karsten MANGOLD, Herbert |
| description | The invention relates to a film stretching installation (1) having a transverse stretching region (3) with treatment zones (2) for heating and/or stretching, through which a film to be stretched (4) can be guided and can be impinged and heated by a gaseous treatment fluid (7) that emerges from a plurality of nozzles (5) of respective nozzle regions (6). The film is stretchable in a direction transverse to the through-feed direction thereof (8) by heating the film (4) with the treatment fluid (7). According to the invention, a shielding device (9) is provided, which, on the basis of a signal corresponding to a damage to the installation, can be guided between the film (4) and the nozzles (5) for the covering and/or shielding of the impingement of the film (4) by means of the treatment fluid (7). The invention also relates to a method for preventing soiling in particular of the nozzle regions (6) for treatment fluid (7) of films (4) in film stretching installations (1), which occurs as a result of melting of the film (4). In this case, the nozzle regions (6) in the film stretching installation are covered during its standstill in such a manner that the films (4) are not subjected to treatment fluid (7) from nozzles of the nozzle regions (6) at least on their lower side (4a). |
| format | Patent |
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The film is stretchable in a direction transverse to the through-feed direction thereof (8) by heating the film (4) with the treatment fluid (7). According to the invention, a shielding device (9) is provided, which, on the basis of a signal corresponding to a damage to the installation, can be guided between the film (4) and the nozzles (5) for the covering and/or shielding of the impingement of the film (4) by means of the treatment fluid (7). The invention also relates to a method for preventing soiling in particular of the nozzle regions (6) for treatment fluid (7) of films (4) in film stretching installations (1), which occurs as a result of melting of the film (4). In this case, the nozzle regions (6) in the film stretching installation are covered during its standstill in such a manner that the films (4) are not subjected to treatment fluid (7) from nozzles of the nozzle regions (6) at least on their lower side (4a).</description><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2020</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=20201125&DB=EPODOC&CC=EP&NR=3405328B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201125&DB=EPODOC&CC=EP&NR=3405328B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAUTENHAHN, Simone</creatorcontrib><creatorcontrib>RESCH, Karsten</creatorcontrib><creatorcontrib>MANGOLD, Herbert</creatorcontrib><title>FILM STRETCHING INSTALLATION FOR PREVENTING SOILING DUE TO MELTING OF THE FILM AND METHOD FOR PREVENTING SUCH SOILING IN SUCH AN INSTALLATION</title><description>The invention relates to a film stretching installation (1) having a transverse stretching region (3) with treatment zones (2) for heating and/or stretching, through which a film to be stretched (4) can be guided and can be impinged and heated by a gaseous treatment fluid (7) that emerges from a plurality of nozzles (5) of respective nozzle regions (6). The film is stretchable in a direction transverse to the through-feed direction thereof (8) by heating the film (4) with the treatment fluid (7). According to the invention, a shielding device (9) is provided, which, on the basis of a signal corresponding to a damage to the installation, can be guided between the film (4) and the nozzles (5) for the covering and/or shielding of the impingement of the film (4) by means of the treatment fluid (7). The invention also relates to a method for preventing soiling in particular of the nozzle regions (6) for treatment fluid (7) of films (4) in film stretching installations (1), which occurs as a result of melting of the film (4). In this case, the nozzle regions (6) in the film stretching installation are covered during its standstill in such a manner that the films (4) are not subjected to treatment fluid (7) from nozzles of the nozzle regions (6) at least on their lower side (4a).</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOh18_TxVQgOCXINcfbw9HNX8PQLDnH08XEM8fT3U3DzD1IICHINc_ULAckF-3v6gGiXUFeFEH8FX1cfsLC_m0KIh6sC2CRHPxegeIiHvwuG5lBnD7gJnn4QvqMfioU8DKxpiTnFqbxQmptBwQ3kMN3Ugvz41OKCxOTUvNSSeNcAYxMDU2MjCydDYyKUAAAX-T9C</recordid><startdate>20201125</startdate><enddate>20201125</enddate><creator>TAUTENHAHN, Simone</creator><creator>RESCH, Karsten</creator><creator>MANGOLD, Herbert</creator><scope>EVB</scope></search><sort><creationdate>20201125</creationdate><title>FILM STRETCHING INSTALLATION FOR PREVENTING SOILING DUE TO MELTING OF THE FILM AND METHOD FOR PREVENTING SUCH SOILING IN SUCH AN INSTALLATION</title><author>TAUTENHAHN, Simone ; RESCH, Karsten ; MANGOLD, Herbert</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3405328B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2020</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>TAUTENHAHN, Simone</creatorcontrib><creatorcontrib>RESCH, Karsten</creatorcontrib><creatorcontrib>MANGOLD, Herbert</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAUTENHAHN, Simone</au><au>RESCH, Karsten</au><au>MANGOLD, Herbert</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FILM STRETCHING INSTALLATION FOR PREVENTING SOILING DUE TO MELTING OF THE FILM AND METHOD FOR PREVENTING SUCH SOILING IN SUCH AN INSTALLATION</title><date>2020-11-25</date><risdate>2020</risdate><abstract>The invention relates to a film stretching installation (1) having a transverse stretching region (3) with treatment zones (2) for heating and/or stretching, through which a film to be stretched (4) can be guided and can be impinged and heated by a gaseous treatment fluid (7) that emerges from a plurality of nozzles (5) of respective nozzle regions (6). The film is stretchable in a direction transverse to the through-feed direction thereof (8) by heating the film (4) with the treatment fluid (7). According to the invention, a shielding device (9) is provided, which, on the basis of a signal corresponding to a damage to the installation, can be guided between the film (4) and the nozzles (5) for the covering and/or shielding of the impingement of the film (4) by means of the treatment fluid (7). The invention also relates to a method for preventing soiling in particular of the nozzle regions (6) for treatment fluid (7) of films (4) in film stretching installations (1), which occurs as a result of melting of the film (4). In this case, the nozzle regions (6) in the film stretching installation are covered during its standstill in such a manner that the films (4) are not subjected to treatment fluid (7) from nozzles of the nozzle regions (6) at least on their lower side (4a).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | FILM STRETCHING INSTALLATION FOR PREVENTING SOILING DUE TO MELTING OF THE FILM AND METHOD FOR PREVENTING SUCH SOILING IN SUCH AN INSTALLATION |
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