DE2231703B2 - Verfahren zum Herstellen eines selbsttragenden Rohrs aus einem thermoplastischen Kunststoff - Google Patents
Verfahren zum Herstellen eines selbsttragenden Rohrs aus einem thermoplastischen KunststoffInfo
- Publication number
- DE2231703B2 DE2231703B2 DE2231703A DE2231703A DE2231703B2 DE 2231703 B2 DE2231703 B2 DE 2231703B2 DE 2231703 A DE2231703 A DE 2231703A DE 2231703 A DE2231703 A DE 2231703A DE 2231703 B2 DE2231703 B2 DE 2231703B2
- Authority
- DE
- Germany
- Prior art keywords
- tube
- self
- supporting pipe
- hose
- producing
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000012815 thermoplastic material Substances 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000007789 sealing 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0005—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor characterised by the material
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/26—Lining or sheathing of internal surfaces
- B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/079—Auxiliary parts or inserts
- B29C2949/08—Preforms made of several individual parts, e.g. by welding or gluing parts together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/258—Tubular
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/005—Oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3026871A GB1382580A (en) | 1971-06-28 | 1971-06-28 | Pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2231703A1 DE2231703A1 (de) | 1973-01-18 |
| DE2231703B2 true DE2231703B2 (de) | 1979-02-01 |
Family
ID=10304957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2231703A Withdrawn DE2231703B2 (de) | 1971-06-28 | 1972-06-28 | Verfahren zum Herstellen eines selbsttragenden Rohrs aus einem thermoplastischen Kunststoff |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2231703B2 (enExample) |
| FR (1) | FR2143841B1 (enExample) |
| GB (1) | GB1382580A (enExample) |
| IT (1) | IT959997B (enExample) |
| KE (1) | KE2678A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1589052A (en) * | 1976-09-23 | 1981-05-07 | Yorkshire Imperial Plastics | Pipe of oriented thermoplastic polymeric material and method of forming the same |
| NL8802304A (nl) * | 1988-09-16 | 1990-04-17 | Wavin Bv | Geextrudeerde, biaxiaal verstrekte schuimkunststofbuis en werkwijze voor de vervaardiging daarvan. |
| NL8802305A (nl) * | 1988-09-16 | 1990-04-17 | Wavin Bv | Geextrudeerde radiaal verstrekte kunststofbuis en werkwijze voor het vervaardigen van een dergelijke buis. |
| GB9522501D0 (en) * | 1995-11-02 | 1996-01-03 | Hepworth Building Prod | Jetting resistant pipe |
| US10350796B2 (en) | 2012-10-09 | 2019-07-16 | Hamilton Sundstrand Corporation | Method for attaching metallic flanges to thermal plastic ducts |
| CN114683517A (zh) * | 2020-12-30 | 2022-07-01 | 脉通医疗科技(嘉兴)有限公司 | 管材的制造设备及其制造方法 |
-
1971
- 1971-06-28 GB GB3026871A patent/GB1382580A/en not_active Expired
-
1972
- 1972-06-28 IT IT26386/72A patent/IT959997B/it active
- 1972-06-28 FR FR7223414A patent/FR2143841B1/fr not_active Expired
- 1972-06-28 DE DE2231703A patent/DE2231703B2/de not_active Withdrawn
-
1976
- 1976-11-25 KE KE2678A patent/KE2678A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT959997B (it) | 1973-11-10 |
| GB1382580A (en) | 1975-02-05 |
| FR2143841A1 (enExample) | 1973-02-09 |
| FR2143841B1 (enExample) | 1977-01-14 |
| DE2231703A1 (de) | 1973-01-18 |
| KE2678A (en) | 1976-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8230 | Patent withdrawn |