CH546140A - Verfahren und presswerkzeug zur herstellung von membranen aus polytetrafluoraethylen. - Google Patents
Verfahren und presswerkzeug zur herstellung von membranen aus polytetrafluoraethylen.Info
- Publication number
- CH546140A CH546140A CH546140DA CH546140A CH 546140 A CH546140 A CH 546140A CH 546140D A CH546140D A CH 546140DA CH 546140 A CH546140 A CH 546140A
- Authority
- CH
- Switzerland
- Prior art keywords
- polytetrafluoraethylene
- pressing tool
- manufacturing membranes
- membranes
- manufacturing
- Prior art date
Links
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
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of 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
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- 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
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- 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
- B29K2105/25—Solid
- B29K2105/251—Particles, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/755—Membranes, diaphragms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD15943471A DD98238A1 (ro) | 1971-12-08 | 1971-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH546140A true CH546140A (de) | 1974-02-28 |
Family
ID=5484742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH546140D CH546140A (de) | 1971-12-08 | 1972-12-05 | Verfahren und presswerkzeug zur herstellung von membranen aus polytetrafluoraethylen. |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT345542B (ro) |
CH (1) | CH546140A (ro) |
CS (1) | CS167365B2 (ro) |
DD (1) | DD98238A1 (ro) |
DE (1) | DE2253589A1 (ro) |
HU (1) | HU169343B (ro) |
PL (1) | PL79147B1 (ro) |
RO (1) | RO89298A2 (ro) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1024586B1 (nl) * | 2016-12-21 | 2018-04-12 | Vanéflon Nv | Werkwijze voor het vervaardigen van een polytetrafluorethyleen product en polytetrafluorethyleen product |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3008339B1 (fr) * | 2013-07-15 | 2015-08-07 | Commissariat Energie Atomique | Procede de mise en forme d'une plaque en un polytetrafluoroethylene fritte et restructure et ses applications |
DE102013216597B4 (de) * | 2013-08-21 | 2019-02-14 | Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft | Verfahren zur Herstellung eines Grünlings für eine Membran einer Ventileinrichtung sowie Vorrichtung zur Herstellung des Grünlings für eine Membran einer Ventileinrichtung |
DE102013111722B3 (de) * | 2013-10-24 | 2015-02-05 | Pierburg Gmbh | Aktor für Ventile in Verbrennungskraftmaschinen |
DE102014222522A1 (de) | 2014-11-05 | 2016-05-12 | GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | Pressvorrichtung und Verfahren zum Betreiben derPressvorrichtung |
-
1971
- 1971-12-08 DD DD15943471A patent/DD98238A1/xx unknown
-
1972
- 1972-11-02 DE DE19722253589 patent/DE2253589A1/de active Pending
- 1972-11-07 AT AT946772A patent/AT345542B/de not_active IP Right Cessation
- 1972-11-29 CS CS815172A patent/CS167365B2/cs unknown
- 1972-12-05 CH CH546140D patent/CH546140A/xx not_active IP Right Cessation
- 1972-12-06 HU HUKE000912 patent/HU169343B/hu unknown
- 1972-12-06 RO RO7273051A patent/RO89298A2/ro unknown
- 1972-12-06 PL PL15933472A patent/PL79147B1/pl unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1024586B1 (nl) * | 2016-12-21 | 2018-04-12 | Vanéflon Nv | Werkwijze voor het vervaardigen van een polytetrafluorethyleen product en polytetrafluorethyleen product |
Also Published As
Publication number | Publication date |
---|---|
HU169343B (ro) | 1976-11-28 |
DD98238A1 (ro) | 1973-06-12 |
CS167365B2 (ro) | 1976-04-29 |
DE2253589A1 (de) | 1973-06-14 |
ATA946772A (de) | 1978-01-15 |
AT345542B (de) | 1978-09-25 |
PL79147B1 (ro) | 1975-06-30 |
RO89298A2 (ro) | 1986-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |