BE840409A - Procede de moulage de polytetrafluorethylene - Google Patents
Procede de moulage de polytetrafluorethyleneInfo
- Publication number
- BE840409A BE840409A BE1007304A BE1007304A BE840409A BE 840409 A BE840409 A BE 840409A BE 1007304 A BE1007304 A BE 1007304A BE 1007304 A BE1007304 A BE 1007304A BE 840409 A BE840409 A BE 840409A
- Authority
- BE
- Belgium
- Prior art keywords
- polytetrafluorethylene
- molding process
- molding
- polytetrafluorethylene molding
- Prior art date
Links
- -1 POLYTETRAFLUORETHYLENE Polymers 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000465 moulding Methods 0.000 title 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/12—Compression moulding
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/0222—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould the curing continuing after removal from the mould
-
- 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
- B29C43/02—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
- B29C43/102—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using rigid mould parts specially adapted for moulding 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
- B29C43/14—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles in several steps
-
- 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
- B29C43/42—Moulds for making articles of definite length, i.e. discrete articles for undercut 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
- 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
- B29C2043/3205—Particular pressure exerting means for making definite articles
- B29C2043/3238—Particular pressure exerting means for making definite articles pressurized liquid acting directly or indirectly on the material to be formed
-
- 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
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
- B29C2043/3631—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices moving in a frame for pressing and stretching; material being subjected to compressing stretching
-
- 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
- B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
- B29C2043/3652—Elastic moulds or mould parts, e.g. cores or inserts
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/001—Shaping in several steps
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/02—Moulding by agglomerating
- B29C67/04—Sintering
-
- 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
- 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
-
- 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
- B29K2627/00—Use of polyvinylhalogenides or derivatives thereof for preformed parts, e.g. for inserts
- B29K2627/12—Use of polyvinylhalogenides or derivatives thereof for preformed parts, e.g. for inserts containing fluorine
- B29K2627/18—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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/24—Pipe joints or couplings
-
- 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
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3412—Insulators
-
- 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
- B29L2031/703—Bellows
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- Y10T428/257—Iron oxide or aluminum oxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7511770A FR2307642A1 (fr) | 1975-04-16 | 1975-04-16 | Procede de moulage de polytetrafluorethylene |
Publications (1)
Publication Number | Publication Date |
---|---|
BE840409A true BE840409A (fr) | 1976-10-06 |
Family
ID=9154002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE1007304A BE840409A (fr) | 1975-04-16 | 1976-04-06 | Procede de moulage de polytetrafluorethylene |
Country Status (8)
Country | Link |
---|---|
US (2) | US4102966A (fr) |
JP (1) | JPS51127158A (fr) |
BE (1) | BE840409A (fr) |
DE (1) | DE2616704C3 (fr) |
ES (1) | ES447113A1 (fr) |
FR (1) | FR2307642A1 (fr) |
GB (1) | GB1516266A (fr) |
IT (1) | IT1070335B (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS529490A (en) * | 1975-07-14 | 1977-01-25 | Horiba Ltd | Liquid penetrating portion of reference electrode |
US4460656A (en) * | 1979-04-30 | 1984-07-17 | Rca Corporation | Video disc preform and method of making a disc therefrom |
FR2483840A1 (fr) * | 1980-06-06 | 1981-12-11 | Ugine Kuhlmann | Procede pour revetir de polytetrafluorethylene les parois internes d'un corps creux metallique |
US4615933A (en) * | 1984-04-06 | 1986-10-07 | Rogers Corporation | Radome structure and method of manufacture thereof |
US5049342A (en) * | 1987-12-29 | 1991-09-17 | Sundstrand Corporation | Method of fabricating composite structures |
US5032335A (en) * | 1989-07-12 | 1991-07-16 | Mather Seal Company | Manufacture of sealing elements of composite sintered polymeric material |
US5133920A (en) * | 1991-03-25 | 1992-07-28 | The Dow Chemical Company | Method for forming composite simulated ivory materials |
JP3035756B2 (ja) * | 1992-03-24 | 2000-04-24 | 東芝セラミックス株式会社 | 連続鋳造用ノズルの成形方法 |
JPH06182791A (ja) * | 1992-12-15 | 1994-07-05 | Nitto Denko Corp | ポリテトラフルオロエチレン成形体の製造法 |
US5830396A (en) * | 1993-01-21 | 1998-11-03 | Biomet, Inc. | Method for processing thermoplastics, thermosets and elastomers |
US5399307A (en) * | 1993-06-18 | 1995-03-21 | Dalton; Robert E. | Methods of compression molding two or more polytetrafluoroethylene resin layers |
CN1088422C (zh) * | 1994-10-10 | 2002-07-31 | 塔罗克尔·柯克第七有限公司 | 用管坯料模制成泡沫制品的两阶段工艺 |
US5707723A (en) * | 1996-02-16 | 1998-01-13 | Mcdonnell Douglas Technologies, Inc. | Multilayer radome structure and its fabrication |
US5817263A (en) * | 1996-08-30 | 1998-10-06 | Amway Corporation | End flow filter and method of making same |
DE19753131A1 (de) * | 1997-11-29 | 1999-06-02 | Parker Hannifin Gmbh | Verfahren zum Herstellen eines zylindrischen Halbzeuges und Verfahren zum Herstellen von profilierten Ringen sowie Buchse oder profilierter Ring, insbesondere Dichtungsring |
DE19804714A1 (de) * | 1998-02-06 | 1999-08-12 | Johannes Prof Dr Rer N Gartzen | Verfahren zur Herstellung eines Körpers |
WO2003013821A1 (fr) | 2001-08-03 | 2003-02-20 | Coltec Industrial Products Llc | Procede de fabrication d'une preforme de ptfe par moulage par compression |
US7713455B2 (en) * | 2003-11-14 | 2010-05-11 | Sanwa Kagaku Kenkyusho Co., Ltd. | Method of manufacturing a molding with a core |
US7314898B2 (en) * | 2004-12-29 | 2008-01-01 | 3M Innovative Properties Company | Microsphere-filled polytetrafluoroethylene compositions |
CN102741030B (zh) * | 2009-09-21 | 2015-11-25 | 美国圣戈班性能塑料公司 | 由不可熔融加工的聚合物形成物品的方法以及由此形成的物品 |
WO2021057484A1 (fr) * | 2019-09-25 | 2021-04-01 | 南京肯特复合材料股份有限公司 | Matrice de moulage par compression pour pièce en forme de « 工 » |
CN111791420B (zh) * | 2020-08-05 | 2024-09-13 | 南通特耐流体设备有限公司 | 一种聚四氟乙烯管道及管件衬里的等压成型制备方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2331909A (en) * | 1940-12-04 | 1943-10-19 | Mallory & Co Inc P R | Gear and the like |
BE555621A (fr) * | 1953-12-10 | 1900-01-01 | ||
US2929109A (en) * | 1954-12-30 | 1960-03-22 | Charles N Cresap | Method for molding pulverulent material |
US2951721A (en) * | 1956-02-23 | 1960-09-06 | Halogen Insulator And Seal Cor | Composite seal |
US3060517A (en) * | 1959-08-18 | 1962-10-30 | Du Pont | Fabrication of massive shaped articles of polytetrafluoroethylene |
US3235637A (en) * | 1964-03-09 | 1966-02-15 | Haveg Industries Inc | Process for molding polymers of halohydrocarbons |
US3383442A (en) * | 1965-03-18 | 1968-05-14 | Johns Manville | Method and apparatus for manufacturing decorative thermoplastic covering material |
US3537700A (en) * | 1965-10-19 | 1970-11-03 | Duriron Co | Method of molding plastic coatings to bodies |
US3459213A (en) * | 1965-10-19 | 1969-08-05 | Duriron Co | Coated hollow plug valve |
JPS5420523B2 (fr) * | 1972-03-16 | 1979-07-24 | ||
DE2311096C3 (de) * | 1973-03-06 | 1981-08-20 | Hoechst Ag, 6000 Frankfurt | Verfahren zum Verbinden von Polytetrafluoräthylen enthaltenden Formkörpern |
US4147824A (en) * | 1976-03-31 | 1979-04-03 | Burkert Gmbh | Multilayer seals and method for their production and joining to seal carriers |
-
1975
- 1975-04-16 FR FR7511770A patent/FR2307642A1/fr active Granted
-
1976
- 1976-03-29 US US05/671,042 patent/US4102966A/en not_active Expired - Lifetime
- 1976-04-06 BE BE1007304A patent/BE840409A/fr not_active IP Right Cessation
- 1976-04-14 GB GB15318/76A patent/GB1516266A/en not_active Expired
- 1976-04-15 DE DE2616704A patent/DE2616704C3/de not_active Expired
- 1976-04-15 IT IT67911/76A patent/IT1070335B/it active
- 1976-04-15 ES ES447113A patent/ES447113A1/es not_active Expired
- 1976-04-16 JP JP51042605A patent/JPS51127158A/ja active Pending
-
1979
- 1979-04-17 US US06/030,736 patent/US4267237A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2307642A1 (fr) | 1976-11-12 |
IT1070335B (it) | 1985-03-29 |
US4102966A (en) | 1978-07-25 |
US4267237A (en) | 1981-05-12 |
DE2616704A1 (de) | 1976-10-28 |
DE2616704C3 (de) | 1980-11-20 |
JPS51127158A (en) | 1976-11-05 |
DE2616704B2 (de) | 1978-04-20 |
GB1516266A (en) | 1978-06-28 |
FR2307642B1 (fr) | 1977-11-25 |
ES447113A1 (es) | 1977-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2301605A1 (fr) | Procede de production | |
FR2298596A1 (fr) | Procede de fa | |
FR2301555A1 (fr) | Procede de r | |
FR2298832A1 (fr) | Procede de regulation de | |
FR2301613A1 (fr) | Procede | |
FR2307642A1 (fr) | Procede de moulage de polytetrafluorethylene | |
FR2300291A1 (fr) | Procede de re | |
FR2301288A1 (fr) | Procede p | |
FR2300048A1 (fr) | Procede | |
FR2337120A1 (fr) | Procede d | |
FR2307833A1 (fr) | Procede de preparation de polyphenylene-ethers | |
FR2299074A1 (fr) | Procede | |
FR2301493A1 (fr) | Procede | |
FR2300812A1 (fr) | Procede | |
FR2300826A1 (fr) | Procede de fabr | |
FR2297709A1 (fr) | Procede de prepara | |
FR2299421A1 (fr) | Procede de fonctio | |
FR2302333A1 (fr) | Procede de convers | |
FR2297921A1 (fr) | Procede de r | |
FR2301966A1 (fr) | Procede | |
FR2301803A1 (fr) | Procede e | |
FR2327987A1 (fr) | Procede de preparation de 4-alkyl-thiosemicarbazides | |
FR2300092A1 (fr) | Procede | |
FR2300152A1 (fr) | Procede | |
FR2300473A1 (fr) | Procede |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: PRODUITS CHIMIQUES UGINE KUHLMANN Effective date: 19960406 |