DE2256756A1 - Verfahren zur herstellung eines films aus kunststoff und spritzkopf zu seiner durchfuehrung - Google Patents
Verfahren zur herstellung eines films aus kunststoff und spritzkopf zu seiner durchfuehrungInfo
- Publication number
- DE2256756A1 DE2256756A1 DE2256756A DE2256756A DE2256756A1 DE 2256756 A1 DE2256756 A1 DE 2256756A1 DE 2256756 A DE2256756 A DE 2256756A DE 2256756 A DE2256756 A DE 2256756A DE 2256756 A1 DE2256756 A1 DE 2256756A1
- Authority
- DE
- Germany
- Prior art keywords
- spray
- nozzle
- mandrel
- passage
- spray head
- 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.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 14
- 238000005507 spraying Methods 0.000 title claims description 6
- 230000008569 process Effects 0.000 title claims description 5
- 239000007921 spray Substances 0.000 claims description 76
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 4
- 229920002521 macromolecule Polymers 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 101100422538 Escherichia coli sat-2 gene Proteins 0.000 description 1
- 241000720993 Filos Species 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 230000037303 wrinkles Effects 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
-
- 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
- B29C48/25—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
- B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1686071A CH549456A (fr) | 1971-11-19 | 1971-11-19 | Procede de fabrication d'un film en matiere plastique. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2256756A1 true DE2256756A1 (de) | 1973-05-24 |
Family
ID=4420859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2256756A Pending DE2256756A1 (de) | 1971-11-19 | 1972-11-16 | Verfahren zur herstellung eines films aus kunststoff und spritzkopf zu seiner durchfuehrung |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4862856A (enExample) |
| CH (1) | CH549456A (enExample) |
| DE (1) | DE2256756A1 (enExample) |
| FR (1) | FR2160546A1 (enExample) |
| IT (1) | IT971006B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997001428A1 (en) * | 1995-06-26 | 1997-01-16 | Conenor Oy | Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881784A (en) * | 1989-02-03 | 1989-11-21 | General Motors Corporation | ABS pressure apply algorithm |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB925657A (en) * | 1958-09-18 | 1963-05-08 | Plastic Textile Access Ltd | Improvements in and relating to ribbed plastic material |
| CH461784A (de) * | 1968-01-05 | 1968-08-31 | Weyermann Viktor | Verfahren zur Herstellung eines kontinuierlich geblasenen Kunststoff-Folienschlauches und Düsenkopf zur Ausübung des Verfahrens |
-
1971
- 1971-11-19 CH CH1686071A patent/CH549456A/fr not_active IP Right Cessation
-
1972
- 1972-11-16 FR FR7240741A patent/FR2160546A1/fr active Granted
- 1972-11-16 DE DE2256756A patent/DE2256756A1/de active Pending
- 1972-11-17 IT IT31830/72A patent/IT971006B/it active
- 1972-11-18 JP JP47116093A patent/JPS4862856A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997001428A1 (en) * | 1995-06-26 | 1997-01-16 | Conenor Oy | Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus |
| AU706505B2 (en) * | 1995-06-26 | 1999-06-17 | Maillefer S.A. | Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus |
| CN1058214C (zh) * | 1995-06-26 | 2000-11-08 | 奈克斯特罗姆·霍尔丁公司 | 挤压设备和利用挤压设备使塑料取向的方法 |
| US6197239B1 (en) | 1995-06-26 | 2001-03-06 | Nextrom Holding S.A. | Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2160546B1 (enExample) | 1976-01-30 |
| FR2160546A1 (en) | 1973-06-29 |
| CH549456A (fr) | 1974-05-31 |
| JPS4862856A (enExample) | 1973-09-01 |
| IT971006B (it) | 1974-04-30 |
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