GB1590281A - Method of and apparatus for extruding thermoplastics material - Google Patents
Method of and apparatus for extruding thermoplastics material Download PDFInfo
- Publication number
- GB1590281A GB1590281A GB34202/77A GB3420277A GB1590281A GB 1590281 A GB1590281 A GB 1590281A GB 34202/77 A GB34202/77 A GB 34202/77A GB 3420277 A GB3420277 A GB 3420277A GB 1590281 A GB1590281 A GB 1590281A
- Authority
- GB
- United Kingdom
- Prior art keywords
- orifice
- extrusion
- outlet end
- reservoir
- coolant
- 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
Links
- 239000000463 material Substances 0.000 title claims description 54
- 238000000034 method Methods 0.000 title claims description 25
- 229920001169 thermoplastic Polymers 0.000 title claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 title claims description 8
- 238000001125 extrusion Methods 0.000 claims description 45
- 239000002826 coolant Substances 0.000 claims description 32
- 229920000642 polymer Polymers 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 8
- 239000008188 pellet Substances 0.000 claims description 8
- 230000008016 vaporization Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000012260 resinous material Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000220010 Rhode Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
-
- 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
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29C48/06—Rod-shaped
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
-
- 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
- B29C48/04—Particle-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/727,155 US4112039A (en) | 1975-02-12 | 1976-09-27 | Pelletizing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1590281A true GB1590281A (en) | 1981-05-28 |
Family
ID=24921545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34202/77A Expired GB1590281A (en) | 1976-09-27 | 1977-08-15 | Method of and apparatus for extruding thermoplastics material |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5342253A (enExample) |
| BE (1) | BE858442A (enExample) |
| BR (1) | BR7706266A (enExample) |
| CA (1) | CA1104780A (enExample) |
| CH (1) | CH618381A5 (enExample) |
| DE (1) | DE2741256A1 (enExample) |
| FR (1) | FR2365431A1 (enExample) |
| GB (1) | GB1590281A (enExample) |
| IT (1) | IT1090860B (enExample) |
| NL (1) | NL7710467A (enExample) |
| SE (1) | SE7710208L (enExample) |
-
1977
- 1977-08-15 GB GB34202/77A patent/GB1590281A/en not_active Expired
- 1977-08-17 CA CA284,876A patent/CA1104780A/en not_active Expired
- 1977-09-06 BE BE180704A patent/BE858442A/xx unknown
- 1977-09-07 FR FR7727146A patent/FR2365431A1/fr active Granted
- 1977-09-08 IT IT69004/77A patent/IT1090860B/it active
- 1977-09-12 SE SE7710208A patent/SE7710208L/xx not_active Application Discontinuation
- 1977-09-12 CH CH1112777A patent/CH618381A5/fr not_active IP Right Cessation
- 1977-09-14 DE DE19772741256 patent/DE2741256A1/de not_active Withdrawn
- 1977-09-20 BR BR7706266A patent/BR7706266A/pt unknown
- 1977-09-26 NL NL7710467A patent/NL7710467A/xx not_active Application Discontinuation
- 1977-09-27 JP JP11522877A patent/JPS5342253A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2741256A1 (de) | 1978-03-30 |
| NL7710467A (nl) | 1978-03-29 |
| IT1090860B (it) | 1985-06-26 |
| SE7710208L (sv) | 1978-03-28 |
| BE858442A (fr) | 1978-01-02 |
| CA1104780A (en) | 1981-07-14 |
| FR2365431A1 (fr) | 1978-04-21 |
| FR2365431B3 (enExample) | 1980-06-06 |
| CH618381A5 (en) | 1980-07-31 |
| BR7706266A (pt) | 1978-05-30 |
| JPS5342253A (en) | 1978-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |