BE823554A - Procede de realisation d'elements d'etancheite en polytetrafluoroethylene a effet hydrodynamique - Google Patents
Procede de realisation d'elements d'etancheite en polytetrafluoroethylene a effet hydrodynamiqueInfo
- Publication number
- BE823554A BE823554A BE151676A BE151676A BE823554A BE 823554 A BE823554 A BE 823554A BE 151676 A BE151676 A BE 151676A BE 151676 A BE151676 A BE 151676A BE 823554 A BE823554 A BE 823554A
- Authority
- BE
- Belgium
- Prior art keywords
- washer
- stamping
- roughing
- billet
- drilling
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 27
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims description 23
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 23
- -1 POLYTETRAFLUOROETHYLENE Polymers 0.000 title claims description 21
- 230000000694 effects Effects 0.000 title claims description 10
- 230000008569 process Effects 0.000 title claims description 4
- 238000004078 waterproofing Methods 0.000 title description 2
- 238000005520 cutting process Methods 0.000 claims description 23
- 238000005553 drilling Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 1
- 238000003754 machining Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0053—Producing sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/328—Manufacturing methods specially adapted for elastic sealings
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42636573A | 1973-12-19 | 1973-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE823554A true BE823554A (fr) | 1975-06-19 |
Family
ID=23690499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE151676A BE823554A (fr) | 1973-12-19 | 1974-12-19 | Procede de realisation d'elements d'etancheite en polytetrafluoroethylene a effet hydrodynamique |
Country Status (2)
| Country | Link |
|---|---|
| JP (2) | JPS6056618B2 (enrdf_load_stackoverflow) |
| BE (1) | BE823554A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60120042A (ja) * | 1983-12-01 | 1985-06-27 | Uchiyama Mfg Corp | 軸受用密封材の製造方法 |
| JPS60120041A (ja) * | 1983-12-01 | 1985-06-27 | Uchiyama Mfg Corp | 軸受用密封材の製造方法 |
| JPH02229966A (ja) * | 1989-02-28 | 1990-09-12 | Taiho Kogyo Co Ltd | リップシール装置 |
-
1974
- 1974-12-19 BE BE151676A patent/BE823554A/fr not_active IP Right Cessation
-
1981
- 1981-11-20 JP JP56186784A patent/JPS6056618B2/ja not_active Expired
-
1983
- 1983-07-01 JP JP58118367A patent/JPS59131437A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6056618B2 (ja) | 1985-12-11 |
| JPS6352567B2 (enrdf_load_stackoverflow) | 1988-10-19 |
| JPS59131437A (ja) | 1984-07-28 |
| JPS57126635A (en) | 1982-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: FEDERAL-MOGUL CORP. Effective date: 19861231 |