DE878844C - Schneckenpresse zum Mischen und Strangpressen von organischen, plastischen Kunststoffen, insbesondere thermoplastischen Kunststoffen - Google Patents
Schneckenpresse zum Mischen und Strangpressen von organischen, plastischen Kunststoffen, insbesondere thermoplastischen KunststoffenInfo
- Publication number
- DE878844C DE878844C DEL3477A DEL0003477A DE878844C DE 878844 C DE878844 C DE 878844C DE L3477 A DEL3477 A DE L3477A DE L0003477 A DEL0003477 A DE L0003477A DE 878844 C DE878844 C DE 878844C
- Authority
- DE
- Germany
- Prior art keywords
- screw
- section
- threads
- screw press
- sections
- 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
- 239000004033 plastic Substances 0.000 title claims description 15
- 229920003023 plastic Polymers 0.000 title claims description 15
- 238000002156 mixing Methods 0.000 title claims description 9
- 229920001169 thermoplastic Polymers 0.000 title claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 title claims description 7
- 238000001125 extrusion Methods 0.000 title claims description 4
- 239000000463 material Substances 0.000 claims description 17
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 241000237858 Gastropoda Species 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 2
- 238000013459 approach Methods 0.000 claims 1
- 239000000470 constituent Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/24—Extrusion presses; Dies therefor using screws or worms
- B30B11/243—Extrusion presses; Dies therefor using screws or worms using two or more screws working in the same chamber
-
- 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
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
-
- 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
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
-
- 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
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2543894X | 1944-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE878844C true DE878844C (de) | 1953-06-08 |
Family
ID=11435528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEL3477A Expired DE878844C (de) | 1944-03-29 | 1950-08-31 | Schneckenpresse zum Mischen und Strangpressen von organischen, plastischen Kunststoffen, insbesondere thermoplastischen Kunststoffen |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE478480A (enrdf_load_stackoverflow) |
| DE (1) | DE878844C (enrdf_load_stackoverflow) |
| FR (1) | FR958940A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT376397B (de) * | 1982-12-21 | 1984-11-12 | Cincinnati Milacron Austria | Schneckenstrangpresse |
| EP0183380A3 (en) * | 1984-10-24 | 1987-03-25 | Stothert & Pitt Plc | Positive-displacement screw pump |
| EP1543930A3 (de) * | 2003-12-19 | 2005-07-13 | ThyssenKrupp Elastomertechnik GmbH | Vorrichtung zum Verarbeiten von Gummi |
-
0
- FR FR958940D patent/FR958940A/fr not_active Expired
- BE BE478480D patent/BE478480A/xx unknown
-
1950
- 1950-08-31 DE DEL3477A patent/DE878844C/de not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT376397B (de) * | 1982-12-21 | 1984-11-12 | Cincinnati Milacron Austria | Schneckenstrangpresse |
| EP0183380A3 (en) * | 1984-10-24 | 1987-03-25 | Stothert & Pitt Plc | Positive-displacement screw pump |
| US4684335A (en) * | 1984-10-24 | 1987-08-04 | Stothert & Pitt Plc | Pumps |
| EP1543930A3 (de) * | 2003-12-19 | 2005-07-13 | ThyssenKrupp Elastomertechnik GmbH | Vorrichtung zum Verarbeiten von Gummi |
Also Published As
| Publication number | Publication date |
|---|---|
| BE478480A (enrdf_load_stackoverflow) | 1900-01-01 |
| FR958940A (enrdf_load_stackoverflow) | 1950-03-21 |
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