CA1284413C - Method and apparatus for melting and conveying plasticated materials - Google Patents
Method and apparatus for melting and conveying plasticated materialsInfo
- Publication number
- CA1284413C CA1284413C CA000507662A CA507662A CA1284413C CA 1284413 C CA1284413 C CA 1284413C CA 000507662 A CA000507662 A CA 000507662A CA 507662 A CA507662 A CA 507662A CA 1284413 C CA1284413 C CA 1284413C
- Authority
- CA
- Canada
- Prior art keywords
- flight
- channel
- shaft
- section
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 title claims abstract description 121
- 238000002844 melting Methods 0.000 title claims abstract description 34
- 230000008018 melting Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 96
- 239000000155 melt Substances 0.000 claims description 22
- 230000001965 increasing effect Effects 0.000 claims description 21
- 230000007423 decrease Effects 0.000 claims description 16
- 230000003247 decreasing effect Effects 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 6
- 230000010006 flight Effects 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000011343 solid material Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000003455 independent Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
- B29B7/429—Screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72968485A | 1985-05-02 | 1985-05-02 | |
| US729,684 | 1985-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1284413C true CA1284413C (en) | 1991-05-28 |
Family
ID=24932147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000507662A Expired - Lifetime CA1284413C (en) | 1985-05-02 | 1986-04-25 | Method and apparatus for melting and conveying plasticated materials |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0221141A1 (enrdf_load_stackoverflow) |
| JP (1) | JPS62502677A (enrdf_load_stackoverflow) |
| CA (1) | CA1284413C (enrdf_load_stackoverflow) |
| DE (1) | DE3690220T1 (enrdf_load_stackoverflow) |
| GB (1) | GB2184975B (enrdf_load_stackoverflow) |
| WO (1) | WO1986006325A1 (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964730A (en) * | 1986-08-19 | 1990-10-23 | Alzner Bernard G | Plasticating extruder screw |
| JPS63291632A (ja) * | 1987-05-25 | 1988-11-29 | Mitsubishi Heavy Ind Ltd | 可塑化スクリュ |
| JP2966735B2 (ja) * | 1994-07-29 | 1999-10-25 | 積水化成品工業株式会社 | 熱可塑性樹脂押出機 |
| JP4226745B2 (ja) | 2000-01-18 | 2009-02-18 | 富士重工業株式会社 | 塗装樹脂製品の塗膜剥離装置 |
| DE102012008023B4 (de) * | 2012-04-21 | 2016-06-02 | Kraussmaffei Technologies Gmbh | Einschneckenextruder |
| KR20200003780A (ko) | 2017-06-01 | 2020-01-10 | 웬저 매뉴팩쳐링 인코포레이티드 | 높은 비기계적 에너지 압출 스크류 조립체 |
| DE102017124091B4 (de) * | 2017-10-17 | 2019-08-01 | Kraussmaffei Technologies Gmbh | Scherteil und Einschnecken-Plastifiziereinheit |
| US20230373150A1 (en) * | 2022-05-23 | 2023-11-23 | Jeffrey A. Myers | No solid bed extruder screw with varying width sub-channels |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US28901A (en) * | 1860-06-26 | Improvement in making eaves-troughs | ||
| US3375549A (en) * | 1961-04-05 | 1968-04-02 | Uniroyal Inc | Method and apparatus for refining and separating plastic materials |
| DE1909009B2 (de) * | 1969-02-22 | 1973-04-26 | Fried Krupp GmbH, 4300 Essen | Mehrgaengige extruderschnecke |
| US3650652A (en) * | 1970-05-05 | 1972-03-21 | Feed Screws Inc | Apparatus for extruding plastic material |
| FR2093483A5 (enrdf_load_stackoverflow) * | 1970-05-08 | 1972-01-28 | Plast Elastverarbeitungsmasch | |
| US3698541A (en) * | 1971-08-11 | 1972-10-17 | Midland Ross Corp | Extruder, or extruder-like melting apparatus |
| USRE28901E (en) * | 1972-08-10 | 1976-07-13 | The B. F. Goodrich Company | Apparatus for refining polymeric material |
| US3989941A (en) * | 1972-09-28 | 1976-11-02 | Midland-Ross Corporation | Extruder and screw therefor for effecting transverse currents in work material handled thereby |
| US3998438A (en) * | 1973-09-17 | 1976-12-21 | Beloit Corporation | Extruder plasticizing and mixing screw |
| US3866890A (en) * | 1973-11-13 | 1975-02-18 | Scient Process & Research Inc | Apparatus for simultaneous plasticating and mixing |
| US4136967A (en) * | 1974-09-04 | 1979-01-30 | Bayer Aktiengesellschaft | Screw machine for the continuous degradation of plastics |
| US4000884A (en) * | 1975-07-25 | 1977-01-04 | Chung Chan I | Extruder screw |
| GB1595850A (en) * | 1978-05-31 | 1981-08-19 | Hpm Corp | Extruder with multi-channel wave screw |
| US4240755A (en) * | 1978-07-13 | 1980-12-23 | New Castle Industries, Inc. | Injection molding screw for processing heat sensitive polymeric materials |
| US4341474A (en) * | 1980-08-27 | 1982-07-27 | Wheeler Jr Norton C | Extruder screw |
| IT8025032A0 (it) * | 1980-09-30 | 1980-09-30 | Mazzoni G Mecc Costr | Trafile veloci ad alto rendimento per l'estrusione e la raffinazione di saponi, detergenti ed altriprodotti plastici ad esse assimilabili. |
-
1986
- 1986-04-24 DE DE19863690220 patent/DE3690220T1/de not_active Withdrawn
- 1986-04-24 JP JP61502675A patent/JPS62502677A/ja active Pending
- 1986-04-24 GB GB8630021A patent/GB2184975B/en not_active Expired
- 1986-04-24 EP EP86903023A patent/EP0221141A1/en not_active Withdrawn
- 1986-04-24 WO PCT/US1986/000861 patent/WO1986006325A1/en active Application Filing
- 1986-04-25 CA CA000507662A patent/CA1284413C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2184975A (en) | 1987-07-08 |
| EP0221141A1 (en) | 1987-05-13 |
| DE3690220T1 (enrdf_load_stackoverflow) | 1987-06-04 |
| JPS62502677A (ja) | 1987-10-15 |
| GB8630021D0 (en) | 1987-01-28 |
| GB2184975B (en) | 1989-07-12 |
| WO1986006325A1 (en) | 1986-11-06 |
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| JPS6153215B2 (enrdf_load_stackoverflow) | ||
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |