GB811101A - Improvements in or relating to machine parts - Google Patents
Improvements in or relating to machine partsInfo
- Publication number
- GB811101A GB811101A GB1792754A GB1792754A GB811101A GB 811101 A GB811101 A GB 811101A GB 1792754 A GB1792754 A GB 1792754A GB 1792754 A GB1792754 A GB 1792754A GB 811101 A GB811101 A GB 811101A
- Authority
- GB
- United Kingdom
- Prior art keywords
- matrix
- graphite
- carbon
- per cent
- solid
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/4838—Halogenated polymers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/82—Coating or impregnation with organic materials
- C04B41/83—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Mechanical Sealing (AREA)
- Lubricants (AREA)
Abstract
A machine part such as a bearing, sealing ring or toothed gear comprises a matrix of carbon and/or graphite or a mixture of carbon and/or graphite with one or more metals and a proportion of polytetrafluoroethylene incorporated into the matrix, the incorporation being either by way of impregnation with an aqueous suspension of solid P.T.F.E. or location of an aqueous paste in grooves in the matrix after moulding. Preferably, the aqueous suspension contains approximately 50 per cent solid P.T.F.E. and the paste 80 per cent P.T.F.E. The impregnated matrix is finally dried and heated to sinter the P.T.F.E. A bonding agent such as a thermosetting resin may be included with the P.T.F.E.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1792754A GB811101A (en) | 1954-06-18 | 1954-06-18 | Improvements in or relating to machine parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1792754A GB811101A (en) | 1954-06-18 | 1954-06-18 | Improvements in or relating to machine parts |
Publications (1)
Publication Number | Publication Date |
---|---|
GB811101A true GB811101A (en) | 1959-04-02 |
Family
ID=10103684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1792754A Expired GB811101A (en) | 1954-06-18 | 1954-06-18 | Improvements in or relating to machine parts |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB811101A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2983570A (en) * | 1958-02-10 | 1961-05-09 | Pirelli | Porous moulds for manufacturing plastic articles |
CN106517176A (en) * | 2016-11-04 | 2017-03-22 | 南通贝思特石墨设备有限公司 | Preparation method of polytetrafluoroethylene impregnated graphite material |
CN116253582A (en) * | 2023-05-15 | 2023-06-13 | 太原市江兴石墨换热设备有限公司 | Impermeable graphite material impregnated with polytetrafluoroethylene, manufacturing process and heat exchange equipment |
-
1954
- 1954-06-18 GB GB1792754A patent/GB811101A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2983570A (en) * | 1958-02-10 | 1961-05-09 | Pirelli | Porous moulds for manufacturing plastic articles |
CN106517176A (en) * | 2016-11-04 | 2017-03-22 | 南通贝思特石墨设备有限公司 | Preparation method of polytetrafluoroethylene impregnated graphite material |
CN116253582A (en) * | 2023-05-15 | 2023-06-13 | 太原市江兴石墨换热设备有限公司 | Impermeable graphite material impregnated with polytetrafluoroethylene, manufacturing process and heat exchange equipment |
CN116253582B (en) * | 2023-05-15 | 2023-07-21 | 太原市江兴石墨换热设备有限公司 | Impermeable graphite material impregnated with polytetrafluoroethylene, manufacturing process and heat exchange equipment |
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