METHOD FOR CLEANING AN EXTRUSION DIE
A method of cleaning an extrusion die from residual metal remaining after an extrusion process at a temperature below 600° C. and of recovering the residual metal includes providing a thrust member with at least one portion made of a polymeric material at the extrusion die; reciprocally moving the t...
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| creator | MASSARI, Marco TORTELLI, Marco FRACASSI, Cristian TORTELLI, Matteo |
| description | A method of cleaning an extrusion die from residual metal remaining after an extrusion process at a temperature below 600° C. and of recovering the residual metal includes providing a thrust member with at least one portion made of a polymeric material at the extrusion die; reciprocally moving the thrust member and the die; removing polymeric material not flowed out of the die during the preceding step; mechanically and/or chemically removing the residual metal not flowed out from the die during the moving step; and opening the extrusion die. The polymeric material in the moving step has a water content lower than 7% by weight with respect to the total weight of the polymeric material. During the moving step, the polymeric material is at least partially in a plastic deformation condition or melted so as to occupy the volume of the residual metal flowed out of the extrusion die. |
| format | Patent |
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The polymeric material in the moving step has a water content lower than 7% by weight with respect to the total weight of the polymeric material. During the moving step, the polymeric material is at least partially in a plastic deformation condition or melted so as to occupy the volume of the residual metal flowed out of the extrusion die.</description><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL ; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; 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>2021</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=20210707&DB=EPODOC&CC=EP&NR=3651967B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210707&DB=EPODOC&CC=EP&NR=3651967B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MASSARI, Marco</creatorcontrib><creatorcontrib>TORTELLI, Marco</creatorcontrib><creatorcontrib>FRACASSI, Cristian</creatorcontrib><creatorcontrib>TORTELLI, Matteo</creatorcontrib><title>METHOD FOR CLEANING AN EXTRUSION DIE</title><description>A method of cleaning an extrusion die from residual metal remaining after an extrusion process at a temperature below 600° C. and of recovering the residual metal includes providing a thrust member with at least one portion made of a polymeric material at the extrusion die; reciprocally moving the thrust member and the die; removing polymeric material not flowed out of the die during the preceding step; mechanically and/or chemically removing the residual metal not flowed out from the die during the moving step; and opening the extrusion die. The polymeric material in the moving step has a water content lower than 7% by weight with respect to the total weight of the polymeric material. 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The polymeric material in the moving step has a water content lower than 7% by weight with respect to the total weight of the polymeric material. During the moving step, the polymeric material is at least partially in a plastic deformation condition or melted so as to occupy the volume of the residual metal flowed out of the extrusion die.</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 AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL 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 | METHOD FOR CLEANING AN EXTRUSION DIE |
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