SU870171A1 - Дорнодержатель экструзионных головок дл полимеров - Google Patents
Дорнодержатель экструзионных головок дл полимеров Download PDFInfo
- Publication number
- SU870171A1 SU870171A1 SU772459154A SU2459154A SU870171A1 SU 870171 A1 SU870171 A1 SU 870171A1 SU 772459154 A SU772459154 A SU 772459154A SU 2459154 A SU2459154 A SU 2459154A SU 870171 A1 SU870171 A1 SU 870171A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- channels
- melt
- mixing
- zones
- ring
- Prior art date
Links
- 238000001125 extrusion Methods 0.000 title claims description 9
- 229920000642 polymer Polymers 0.000 title claims description 8
- 239000000155 melt Substances 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000008707 rearrangement Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 238000009835 boiling Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 2
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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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 |
---|---|---|---|
DD192111A DD126550A1 (enrdf_load_stackoverflow) | 1976-03-30 | 1976-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU870171A1 true SU870171A1 (ru) | 1981-10-07 |
Family
ID=5504090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU772459154A SU870171A1 (ru) | 1976-03-30 | 1977-03-11 | Дорнодержатель экструзионных головок дл полимеров |
Country Status (4)
Country | Link |
---|---|
DD (1) | DD126550A1 (enrdf_load_stackoverflow) |
DE (1) | DE2703922A1 (enrdf_load_stackoverflow) |
GB (1) | GB1573940A (enrdf_load_stackoverflow) |
SU (1) | SU870171A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2193921B (en) * | 1986-08-15 | 1990-03-21 | Polysystem Machinery Mfg | Extrusion die for blown plastic film |
YU68787A (en) * | 1987-04-15 | 1989-06-30 | Stanko Kraaljevic | Additional mechanism for vacuuming of rubber firemen's pipes at extruding |
DE4109369A1 (de) * | 1991-03-22 | 1992-09-24 | Reifenhaeuser Masch | Werkzeugkopf zum strangpressen von schlauchfoermigen oder rohrfoermigen vorformlingen aus thermoplastifiziertem kunststoff |
GB2326613A (en) * | 1997-06-23 | 1998-12-30 | Pirelli General Plc | Plastics extrusion |
-
1976
- 1976-03-30 DD DD192111A patent/DD126550A1/xx unknown
-
1977
- 1977-01-31 DE DE19772703922 patent/DE2703922A1/de not_active Withdrawn
- 1977-03-11 SU SU772459154A patent/SU870171A1/ru active
- 1977-03-18 GB GB11573/77A patent/GB1573940A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2703922A1 (de) | 1977-10-20 |
DD126550A1 (enrdf_load_stackoverflow) | 1977-07-20 |
GB1573940A (en) | 1980-08-28 |
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