DEVICE FOR MIXING AND MELTING PLASTIC COMPOUND MATERIAL
A twin-screw mixer/melter for plastics compsns. has a cylinder and counter-rotating screws inside the same, one of the screws rotating more slowly than the other one. Both screws are adapted to be longitudinally displaced wtc. the cylinder. This is achieved by means of adjusting plates arranged at o...
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| creator | KUBO SHIGETOSHI HARA MASAYUKI HIRATA KENJI |
| description | A twin-screw mixer/melter for plastics compsns. has a cylinder and counter-rotating screws inside the same, one of the screws rotating more slowly than the other one. Both screws are adapted to be longitudinally displaced wtc. the cylinder. This is achieved by means of adjusting plates arranged at one end of each screw. Each screw consists of a conveying section (I) and a discharge section (II) the former having 2 conveying thread sections with 2 or 3 thread turns with a larger pitch than the preceeding one >=1 counter-directed windings an enlarged portion forming a constriction and arranged near the end of the counter-winding, and a chamfered section. The discharge section has a conveying winding adapted to improve the working-up of the moulding cpd. being processed, a discharge winding and a return winding for preventing overspill. The cylinder has a slanting surface opposite the chamfered portion of the screw, and there is a slot between cylinder and screw. The cylinder also has a discharge aperture and a degassing aperture at a point corresponding to the discharge winding. The cylinder discharge aperture and the de-gassing aperture face perpendicularly wrt. each other. The mixer/melter is a relatively simple construction and has high efficiency. |
| format | Patent |
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Both screws are adapted to be longitudinally displaced wtc. the cylinder. This is achieved by means of adjusting plates arranged at one end of each screw. Each screw consists of a conveying section (I) and a discharge section (II) the former having 2 conveying thread sections with 2 or 3 thread turns with a larger pitch than the preceeding one >=1 counter-directed windings an enlarged portion forming a constriction and arranged near the end of the counter-winding, and a chamfered section. The discharge section has a conveying winding adapted to improve the working-up of the moulding cpd. being processed, a discharge winding and a return winding for preventing overspill. The cylinder has a slanting surface opposite the chamfered portion of the screw, and there is a slot between cylinder and screw. The cylinder also has a discharge aperture and a degassing aperture at a point corresponding to the discharge winding. The cylinder discharge aperture and the de-gassing aperture face perpendicularly wrt. each other. The mixer/melter is a relatively simple construction and has high efficiency.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; MAKING GRANULES OR PREFORMS ; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED ; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS ; 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>1976</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=19761130&DB=EPODOC&CC=JP&NR=S51138748A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19761130&DB=EPODOC&CC=JP&NR=S51138748A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUBO SHIGETOSHI</creatorcontrib><creatorcontrib>HARA MASAYUKI</creatorcontrib><creatorcontrib>HIRATA KENJI</creatorcontrib><title>DEVICE FOR MIXING AND MELTING PLASTIC COMPOUND MATERIAL</title><description>A twin-screw mixer/melter for plastics compsns. has a cylinder and counter-rotating screws inside the same, one of the screws rotating more slowly than the other one. Both screws are adapted to be longitudinally displaced wtc. the cylinder. This is achieved by means of adjusting plates arranged at one end of each screw. Each screw consists of a conveying section (I) and a discharge section (II) the former having 2 conveying thread sections with 2 or 3 thread turns with a larger pitch than the preceeding one >=1 counter-directed windings an enlarged portion forming a constriction and arranged near the end of the counter-winding, and a chamfered section. The discharge section has a conveying winding adapted to improve the working-up of the moulding cpd. being processed, a discharge winding and a return winding for preventing overspill. The cylinder has a slanting surface opposite the chamfered portion of the screw, and there is a slot between cylinder and screw. The cylinder also has a discharge aperture and a degassing aperture at a point corresponding to the discharge winding. The cylinder discharge aperture and the de-gassing aperture face perpendicularly wrt. each other. The mixer/melter is a relatively simple construction and has high efficiency.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>MAKING GRANULES OR PREFORMS</subject><subject>MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED</subject><subject>RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS</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>1976</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB3cQ3zdHZVcPMPUvD1jPD0c1dw9HNR8HX1CQGxA3wcg0M8nRWc_X0D_ENBEo4hrkGejj48DKxpiTnFqbxQmptB0c01xNlDN7UgPz61uCAxOTUvtSTeKyDY1NDQ2MLcxMLRmBg1ADAcKGo</recordid><startdate>19761130</startdate><enddate>19761130</enddate><creator>KUBO SHIGETOSHI</creator><creator>HARA MASAYUKI</creator><creator>HIRATA KENJI</creator><scope>EVB</scope></search><sort><creationdate>19761130</creationdate><title>DEVICE FOR MIXING AND MELTING PLASTIC COMPOUND MATERIAL</title><author>KUBO SHIGETOSHI ; HARA MASAYUKI ; HIRATA KENJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS51138748A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1976</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>MAKING GRANULES OR PREFORMS</topic><topic>MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED</topic><topic>RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS</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>KUBO SHIGETOSHI</creatorcontrib><creatorcontrib>HARA MASAYUKI</creatorcontrib><creatorcontrib>HIRATA KENJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUBO SHIGETOSHI</au><au>HARA MASAYUKI</au><au>HIRATA KENJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DEVICE FOR MIXING AND MELTING PLASTIC COMPOUND MATERIAL</title><date>1976-11-30</date><risdate>1976</risdate><abstract>A twin-screw mixer/melter for plastics compsns. has a cylinder and counter-rotating screws inside the same, one of the screws rotating more slowly than the other one. Both screws are adapted to be longitudinally displaced wtc. the cylinder. This is achieved by means of adjusting plates arranged at one end of each screw. Each screw consists of a conveying section (I) and a discharge section (II) the former having 2 conveying thread sections with 2 or 3 thread turns with a larger pitch than the preceeding one >=1 counter-directed windings an enlarged portion forming a constriction and arranged near the end of the counter-winding, and a chamfered section. The discharge section has a conveying winding adapted to improve the working-up of the moulding cpd. being processed, a discharge winding and a return winding for preventing overspill. The cylinder has a slanting surface opposite the chamfered portion of the screw, and there is a slot between cylinder and screw. The cylinder also has a discharge aperture and a degassing aperture at a point corresponding to the discharge winding. The cylinder discharge aperture and the de-gassing aperture face perpendicularly wrt. each other. The mixer/melter is a relatively simple construction and has high efficiency.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING GRANULES OR PREFORMS MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS 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 | DEVICE FOR MIXING AND MELTING PLASTIC COMPOUND MATERIAL |
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