JPS6352567B2 - - Google Patents
Info
- Publication number
- JPS6352567B2 JPS6352567B2 JP58118367A JP11836783A JPS6352567B2 JP S6352567 B2 JPS6352567 B2 JP S6352567B2 JP 58118367 A JP58118367 A JP 58118367A JP 11836783 A JP11836783 A JP 11836783A JP S6352567 B2 JPS6352567 B2 JP S6352567B2
- Authority
- JP
- Japan
- Prior art keywords
- wafer
- polytetrafluoroethylene
- annular
- stamping
- seal member
- 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 claims description 37
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 37
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 37
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000035515 penetration Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 1
- 235000012431 wafers Nutrition 0.000 description 17
- 238000007789 sealing Methods 0.000 description 14
- 238000000576 coating method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000007921 spray Substances 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42636573A | 1973-12-19 | 1973-12-19 | |
US426373 | 1973-12-19 | ||
US426365 | 1973-12-19 | ||
US523451 | 1974-11-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59131437A JPS59131437A (ja) | 1984-07-28 |
JPS6352567B2 true JPS6352567B2 (ko) | 1988-10-19 |
Family
ID=23690499
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56186784A Expired JPS6056618B2 (ja) | 1973-12-19 | 1981-11-20 | オイルシ−ル部材の製造方法 |
JP58118367A Granted JPS59131437A (ja) | 1973-12-19 | 1983-07-01 | オイルシ−ル部材の製造方法およびこれに用いる金型 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56186784A Expired JPS6056618B2 (ja) | 1973-12-19 | 1981-11-20 | オイルシ−ル部材の製造方法 |
Country Status (2)
Country | Link |
---|---|
JP (2) | JPS6056618B2 (ko) |
BE (1) | BE823554A (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60120041A (ja) * | 1983-12-01 | 1985-06-27 | Uchiyama Mfg Corp | 軸受用密封材の製造方法 |
JPS60120042A (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 |
---|---|
JPS57126635A (en) | 1982-08-06 |
JPS6056618B2 (ja) | 1985-12-11 |
JPS59131437A (ja) | 1984-07-28 |
BE823554A (fr) | 1975-06-19 |
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