DE2354731C3 - Rohr aus Polytetrafluoräthylen für hohe Beanspruchungen bei Temperaturwechsel und Vakuum - Google Patents
Rohr aus Polytetrafluoräthylen für hohe Beanspruchungen bei Temperaturwechsel und VakuumInfo
- Publication number
- DE2354731C3 DE2354731C3 DE19732354731 DE2354731A DE2354731C3 DE 2354731 C3 DE2354731 C3 DE 2354731C3 DE 19732354731 DE19732354731 DE 19732354731 DE 2354731 A DE2354731 A DE 2354731A DE 2354731 C3 DE2354731 C3 DE 2354731C3
- Authority
- DE
- Germany
- Prior art keywords
- expanded metal
- pipe
- tube
- polytetrafluoroethylene
- vacuum
- 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
- -1 Polytetrafluoroethylene Polymers 0.000 title claims description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 38
- 238000005245 sintering Methods 0.000 claims description 9
- 230000002706 hydrostatic effect Effects 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 12
- 239000000843 powder Substances 0.000 description 8
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000000462 isostatic pressing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/027—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles having an axis of symmetry
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
- B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/26—Non-fibrous reinforcements only
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- 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
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/20—Inserts
- B29K2105/206—Meshes, lattices or nets
-
- 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
- B29K2105/251—Particles, powder or granules
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- 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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7239142A FR2205396B2 (enExample) | 1972-11-06 | 1972-11-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2354731A1 DE2354731A1 (de) | 1974-05-09 |
| DE2354731B2 DE2354731B2 (de) | 1978-05-03 |
| DE2354731C3 true DE2354731C3 (de) | 1979-01-04 |
Family
ID=9106663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732354731 Expired DE2354731C3 (de) | 1972-11-06 | 1973-11-02 | Rohr aus Polytetrafluoräthylen für hohe Beanspruchungen bei Temperaturwechsel und Vakuum |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE806115A (enExample) |
| DE (1) | DE2354731C3 (enExample) |
| ES (1) | ES420109A1 (enExample) |
| FR (1) | FR2205396B2 (enExample) |
| GB (1) | GB1417305A (enExample) |
| IT (1) | IT997785B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2050988A (en) * | 1979-06-22 | 1981-01-14 | Quaraishi A H | End protectors for tubular and/or rod-like elements |
| FR2483840A1 (fr) * | 1980-06-06 | 1981-12-11 | Ugine Kuhlmann | Procede pour revetir de polytetrafluorethylene les parois internes d'un corps creux metallique |
| JPH03223585A (ja) * | 1990-01-25 | 1991-10-02 | Usui Internatl Ind Co Ltd | 厚肉細径金属管材 |
| GB2254819B (en) * | 1991-04-16 | 1995-07-26 | British Aerospace | Tooling for the manufacture of composite articles |
| DE59407073D1 (de) * | 1993-06-07 | 1998-11-19 | Gunzenhauser Ag J & R | Anordnung zur Begrenzung der linearen Wärmedehnung in Kunststoffrohr-Installationen für fliessfähige Medienströme |
| FR2723881A1 (fr) * | 1994-08-26 | 1996-03-01 | Zhao Yong Gao | Procede de fabrication d'un produit anti-corrosion a base de fluoroplastique renforce par une grille metallique deformable et produit obtenu. |
| DE29701612U1 (de) * | 1997-01-31 | 1997-05-22 | Elsner, Friedhelm, 04347 Leipzig | Rohre aus Polymeren mit eingegossenem und mittig im Rohrmaterial angeordneten metallischem Körper für die Ver- und Entsorgungswirtschaft (z.B. Gas, Wasser u.a. chem. Industrie) |
| RU2176347C1 (ru) * | 2000-04-25 | 2001-11-27 | Открытое акционерное общество "Центральный научно-исследовательский институт специального машиностроения" | Корпус для высокого давления из композиционных материалов |
| CN110774522B (zh) * | 2019-06-28 | 2022-06-14 | 东莞科威医疗器械有限公司 | 一种增强型医用插管及其成型方法 |
-
1972
- 1972-11-06 FR FR7239142A patent/FR2205396B2/fr not_active Expired
-
1973
- 1973-10-15 BE BE136725A patent/BE806115A/xx not_active IP Right Cessation
- 1973-10-24 GB GB4946473A patent/GB1417305A/en not_active Expired
- 1973-10-30 ES ES420109A patent/ES420109A1/es not_active Expired
- 1973-11-02 DE DE19732354731 patent/DE2354731C3/de not_active Expired
- 1973-11-05 IT IT5350373A patent/IT997785B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2354731B2 (de) | 1978-05-03 |
| DE2354731A1 (de) | 1974-05-09 |
| ES420109A1 (es) | 1976-09-01 |
| BE806115A (fr) | 1974-04-16 |
| IT997785B (it) | 1975-12-30 |
| FR2205396A2 (enExample) | 1974-05-31 |
| FR2205396B2 (enExample) | 1975-04-25 |
| GB1417305A (en) | 1975-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |