DE2420286A1 - Verfahren und vorrichtung zur herstellung eines zweiachsig gestreckten schlauchfoermigen kunststoffilms - Google Patents
Verfahren und vorrichtung zur herstellung eines zweiachsig gestreckten schlauchfoermigen kunststoffilmsInfo
- Publication number
- DE2420286A1 DE2420286A1 DE19742420286 DE2420286A DE2420286A1 DE 2420286 A1 DE2420286 A1 DE 2420286A1 DE 19742420286 DE19742420286 DE 19742420286 DE 2420286 A DE2420286 A DE 2420286A DE 2420286 A1 DE2420286 A1 DE 2420286A1
- Authority
- DE
- Germany
- Prior art keywords
- film
- preheating chamber
- stretching
- chamber
- tubular
- 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
- 238000000034 method Methods 0.000 title claims description 47
- 239000002985 plastic film Substances 0.000 title claims description 15
- 229920006255 plastic film Polymers 0.000 title claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 61
- 238000001816 cooling Methods 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000005060 rubber Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 230000001965 increasing effect Effects 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 10
- 230000001174 ascending effect Effects 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 241000981595 Zoysia japonica Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000010792 warming Methods 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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 |
|---|---|---|---|
| US356782A US3904342A (en) | 1970-04-03 | 1973-05-03 | Apparatus for manufacturing of tubular biaxially stretched film having improved thickness uniformity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2420286A1 true DE2420286A1 (de) | 1974-11-14 |
Family
ID=23402934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742420286 Pending DE2420286A1 (de) | 1973-05-03 | 1974-04-26 | Verfahren und vorrichtung zur herstellung eines zweiachsig gestreckten schlauchfoermigen kunststoffilms |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE814553A (enrdf_load_stackoverflow) |
| DE (1) | DE2420286A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2227945B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1446138A (enrdf_load_stackoverflow) |
| IT (1) | IT1011353B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2201371A (en) * | 1987-01-02 | 1988-09-01 | Windmoeller & Hoelscher | Apparatus for producing tubular thermoplastic biaxially oriented film |
| DE3802146C1 (enrdf_load_stackoverflow) * | 1988-01-26 | 1989-02-23 | Battenfeld Extrusionstechnik Gmbh, 4970 Bad Oeynhausen, De | |
| AU610366B2 (en) * | 1988-03-31 | 1991-05-16 | Idemitsu Petrochemical Co., Ltd. | Method of and apparatus for manufacturing biaxially oriented film |
| CN103009620B (zh) * | 2011-09-20 | 2017-11-24 | 上海华义化工科技有限公司 | 管状薄膜坯管的加热方法及加热装置 |
-
1974
- 1974-04-18 GB GB1702374A patent/GB1446138A/en not_active Expired
- 1974-04-26 DE DE19742420286 patent/DE2420286A1/de active Pending
- 1974-05-02 IT IT5075474A patent/IT1011353B/it active
- 1974-05-03 FR FR7415467A patent/FR2227945B1/fr not_active Expired
- 1974-05-03 BE BE143925A patent/BE814553A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE814553A (fr) | 1974-09-02 |
| FR2227945A1 (enrdf_load_stackoverflow) | 1974-11-29 |
| GB1446138A (en) | 1976-08-18 |
| IT1011353B (it) | 1977-01-20 |
| FR2227945B1 (enrdf_load_stackoverflow) | 1977-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |