Screw special for polyvinyl chloride (PVC) cold bending tube extruder
The utility model relates to a screw, in particular to a screw special for a polyvinyl chloride (PVC) cold bending tube extruder. A plasticizing section is arranged on the screw, and a feed back chute is arranged on the screw edge of the plasticizing section. The length Z of the plasticizing section...
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| creator | ZHOU FAYAN |
| description | The utility model relates to a screw, in particular to a screw special for a polyvinyl chloride (PVC) cold bending tube extruder. A plasticizing section is arranged on the screw, and a feed back chute is arranged on the screw edge of the plasticizing section. The length Z of the plasticizing section is from 130mm to 150mm, the width D of the feed back chute is from 20mm to 22mm, and the distance between the bottom of the feed back chute and the bottom of the screw edge is from 4mm to 5mm. The preferable length Z of the plasticizing section is 140mm, and the preferable width D of the feed back chute is 20mm. When tubes are produced by the screw special for the PVC cold bending tube extruder, even though materials are small, a part of materials can be sent back through the feed back chute and mixed with the next sent materials so as to achieve the purpose of being fully plasticized. The screw special for the PVC cold bending tube extruder can guarantee the load stability of a main motor and ensures the extruded |
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A plasticizing section is arranged on the screw, and a feed back chute is arranged on the screw edge of the plasticizing section. The length Z of the plasticizing section is from 130mm to 150mm, the width D of the feed back chute is from 20mm to 22mm, and the distance between the bottom of the feed back chute and the bottom of the screw edge is from 4mm to 5mm. The preferable length Z of the plasticizing section is 140mm, and the preferable width D of the feed back chute is 20mm. When tubes are produced by the screw special for the PVC cold bending tube extruder, even though materials are small, a part of materials can be sent back through the feed back chute and mixed with the next sent materials so as to achieve the purpose of being fully plasticized. The screw special for the PVC cold bending tube extruder can guarantee the load stability of a main motor and ensures the extruded</description><language>chi ; eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS ; 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>2011</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=20111228&DB=EPODOC&CC=CN&NR=202088436U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20111228&DB=EPODOC&CC=CN&NR=202088436U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHOU FAYAN</creatorcontrib><title>Screw special for polyvinyl chloride (PVC) cold bending tube extruder</title><description>The utility model relates to a screw, in particular to a screw special for a polyvinyl chloride (PVC) cold bending tube extruder. A plasticizing section is arranged on the screw, and a feed back chute is arranged on the screw edge of the plasticizing section. The length Z of the plasticizing section is from 130mm to 150mm, the width D of the feed back chute is from 20mm to 22mm, and the distance between the bottom of the feed back chute and the bottom of the screw edge is from 4mm to 5mm. The preferable length Z of the plasticizing section is 140mm, and the preferable width D of the feed back chute is 20mm. When tubes are produced by the screw special for the PVC cold bending tube extruder, even though materials are small, a part of materials can be sent back through the feed back chute and mixed with the next sent materials so as to achieve the purpose of being fully plasticized. The screw special for the PVC cold bending tube extruder can guarantee the load stability of a main motor and ensures the extruded</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS</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>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHANTi5KLVcoLkhNzkzMUUjLL1IoyM-pLMvMq8xRSM7IyS_KTElV0AgIc9ZUSM7PSVFISs1LycxLVygpTUpVSK0oKSpNSS3iYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxzn5GBkYGFhYmxmahocZEKQIAEy4zZA</recordid><startdate>20111228</startdate><enddate>20111228</enddate><creator>ZHOU FAYAN</creator><scope>EVB</scope></search><sort><creationdate>20111228</creationdate><title>Screw special for polyvinyl chloride (PVC) cold bending tube extruder</title><author>ZHOU FAYAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN202088436UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2011</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS</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>ZHOU FAYAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHOU FAYAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Screw special for polyvinyl chloride (PVC) cold bending tube extruder</title><date>2011-12-28</date><risdate>2011</risdate><abstract>The utility model relates to a screw, in particular to a screw special for a polyvinyl chloride (PVC) cold bending tube extruder. A plasticizing section is arranged on the screw, and a feed back chute is arranged on the screw edge of the plasticizing section. The length Z of the plasticizing section is from 130mm to 150mm, the width D of the feed back chute is from 20mm to 22mm, and the distance between the bottom of the feed back chute and the bottom of the screw edge is from 4mm to 5mm. The preferable length Z of the plasticizing section is 140mm, and the preferable width D of the feed back chute is 20mm. When tubes are produced by the screw special for the PVC cold bending tube extruder, even though materials are small, a part of materials can be sent back through the feed back chute and mixed with the next sent materials so as to achieve the purpose of being fully plasticized. The screw special for the PVC cold bending tube extruder can guarantee the load stability of a main motor and ensures the extruded</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN202088436UU |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 | Screw special for polyvinyl chloride (PVC) cold bending tube extruder |
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