US2284670A - Bearing and process of forming the same - Google Patents
Bearing and process of forming the same Download PDFInfo
- Publication number
- US2284670A US2284670A US317028A US31702840A US2284670A US 2284670 A US2284670 A US 2284670A US 317028 A US317028 A US 317028A US 31702840 A US31702840 A US 31702840A US 2284670 A US2284670 A US 2284670A
- Authority
- US
- United States
- Prior art keywords
- tin
- temperature
- bearing
- billet
- extruded
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 26
- 229910000838 Al alloy Inorganic materials 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 11
- 239000000956 alloy Substances 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/40—Shaping by deformation without removing material
- F16C2220/48—Shaping by deformation without removing material by extrusion, e.g. of metallic profiles
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/80—Shaping by separating parts, e.g. by severing, cracking
- F16C2220/82—Shaping by separating parts, e.g. by severing, cracking by cutting
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/80—Shaping by separating parts, e.g. by severing, cracking
- F16C2220/84—Shaping by separating parts, e.g. by severing, cracking by perforating; by punching; by stamping-out
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/02—Mechanical treatment, e.g. finishing
- F16C2223/04—Mechanical treatment, e.g. finishing by sizing, by shaping to final size by small plastic deformation, e.g. by calibrating or coining
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/30—Coating surfaces
- F16C2223/44—Coating surfaces by casting molten material on the substrate
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
- Y10T29/49647—Plain bearing
- Y10T29/49668—Sleeve or bushing making
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49709—Specific metallic composition
-
- 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
- Y10T407/00—Cutters, for shaping
- Y10T407/28—Miscellaneous
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12229—Intermediate article [e.g., blank, 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12375—All metal or with adjacent metals having member which crosses the plane of another member [e.g., T or X cross section, 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
Definitions
- the invention relates to bearings formed of alloys, chiefly of aluminum to which one or more other metals, such for instance as tin, are added to improve the bearing qualities.
- bearings have been formed of an alloy of aluminum containing from to of tin. Such bearings have been first cast and then machined to size. The machining operation is expensive, while the large amount of material removed further increases the cost of manufacture.
- the primary object of the instant invention to reduce the cost of manufacture of bearings from such alloys, and further to obtain a product which has improved characteristics.
- the invention consists in the process and product as hereinafter set forth.
- Figure 1 is a diagrammatic representation of our improved extrusion process
- Figure 2 illustrates the manner of skiving or finishing the surfaces of the extruded member
- Figures 3 to 8 illustrate various cross sectional shapes of the extruded member.
- Our improved process consists essentially in a novel method of extruding the metal particularly adapted to aluminum alloys containing from 5% to 15% of tin.
- the member thus extruded is of a cross sectional thickness substantially that of the fin shed bearing, so that it is only necessary to remove the oxide film from the surfaces thereof.
- the extruded member is then subjected to further operations for forming the completed bearing.
- tin, 8% if heated to a temperature from 250 F, to 350 F. and placed in a container heated from 550 F. to 600 F. can be extruded without the sweating out of the tin constituent, and will .produce a bar having highly desirab e characteristics.
- the unique feature of our invention lies in keeping the billet temperature below this point, and keeping the container and die temperature slightly above the same.
- the pressure to which the billet is subjected will not cause the expulsion of the tin content therefrom as would be the case if the temperature of the billet were above the melting point of tin.
- the temperature of the con tainer and the die being above the melting point of tin, a lubricating film of molten tin will be formed on the surface of the alloy which will reduce friction and facilitate extrusion.
- A is the container which is maintained by suitable means (not shown) at a temperature from 550 F. to 600 F.
- B is the billet of alloy within the container
- C is the compression plunger
- D the die through which the metal is extruded. It is usual with apparatus heretofore used for the extrusion of aluminum to form the die at its entrance end with right angle or shearing edges. We have found, however, that with such construction when used with aluminum alloys having from 5% to 15% of tin, there is a tendency to tear and crack the edges and surfaces of the metal, but such difliculty we have avoided by forming the die with a curved surface at the entrance end, as indicated at E, Figure 1.
- the extruded member may be varied in cross sectional contour according to the particular bearing which is to be formed or the subsequent steps employed in the completion of the bearing.
- the extruded member in the form of a flat bar but with its edge portions of different shape.
- Figure 6 shows a bar having angle flanges or rib at the opposite ends thereof.
- Figure 7 shows a member of semi-cylindrical or segmental cross section, and
- Figure 8 shows a full cylindrical cross section.
- the extruded member which may be from fifteen feet to thirty feet in length is next drawn through a skiving die F to further accurately size the section and to remove the oxide film from the interior and exterior bearing surfaces. In case of the full cylindrical cross section this operation may be performed by internal and external breaching.
- the extruded member is next passed through a progressive die (not shown) in which it is submitted to the following consecutive operations:
- the extruded member is in the form of a flat bar this must be bent longitudinally into arcuate form. If the extruded member is of arouate or full cylindrical cross section, then it is merely severed into bearing lengths.
- extruded bars as above described are capable of withstanding such subsequent cold operations, whereas cast material of the same composition is not susceptible to this amount of cold working without checking or cracking. Such difference we attribute to characteristics imparted to the material by the extrusion process.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sliding-Contact Bearings (AREA)
- Extrusion Of Metal (AREA)
Description
June 2, 194 w. E. M CULLOUGH ETAL 2,284,670
BEARING AND PROCESS OF FQRMING THE SAME Filed Feb. 2, 1940 FIG.7.
w FlG.8.
INVENTORS WILLIAM E.McGULLOUGH BY EDWIN O.GOERKE W AfRNEYg Patented June 2, 1942 BEARING AND PROCESS OF FORMING THE SAME William E. McCullough, Detroit, and Edwin 0. Goerke, Dearborn, Mich., assignors to Bohn Aluminum & Brass Corporation, Detroit, Mich., a corporation of Michigan Application February 2, 1940, Serial No. 317,028
11 Claims.
The invention relates to bearings formed of alloys, chiefly of aluminum to which one or more other metals, such for instance as tin, are added to improve the bearing qualities. Heretofore, bearings have been formed of an alloy of aluminum containing from to of tin. Such bearings have been first cast and then machined to size. The machining operation is expensive, while the large amount of material removed further increases the cost of manufacture.
It is the primary object of the instant invention to reduce the cost of manufacture of bearings from such alloys, and further to obtain a product which has improved characteristics. To this end, the invention consists in the process and product as hereinafter set forth.
In the drawing:
Figure 1 is a diagrammatic representation of our improved extrusion process;
Figure 2 illustrates the manner of skiving or finishing the surfaces of the extruded member;
Figures 3 to 8 illustrate various cross sectional shapes of the extruded member.
Our improved process consists essentially in a novel method of extruding the metal particularly adapted to aluminum alloys containing from 5% to 15% of tin. The member thus extruded is of a cross sectional thickness substantially that of the fin shed bearing, so that it is only necessary to remove the oxide film from the surfaces thereof. The extruded member is then subjected to further operations for forming the completed bearing.
Extrusion method Pure aluminum and certain of its alloys can be fashioned into various cross sectional shapes by extrusion processes heretofore used. We have found, however, that an aluminum alloy containing from 5% to 15% of tin cannot be successfully extruded in such manner. This is primarily for the reason that there is a pronounced tendency for the tin component to sweat or be forced out of the alloy. Thus, if a billet of the alloy is heated to the usual temperature for extrusion, such as 800 F., and is placed in a container only slightly less in temperature in accordance with the general practice, the extruded product will not be satisfactory. We have, however, discovered that if the temperature of the billet and that of the container is considerably reduced, the extruded bar, preferably cooled by water. will hav desirable characteristics. As a specific example, we have found that a billet of the composition: aluminum, 89%; copper, 2%; magnesium, 1%, and
LII
tin, 8%, if heated to a temperature from 250 F, to 350 F. and placed in a container heated from 550 F. to 600 F. can be extruded without the sweating out of the tin constituent, and will .produce a bar having highly desirab e characteristics.
It will be appreciated that since the melting point of tin is 450 F., the unique feature of our invention lies in keeping the billet temperature below this point, and keeping the container and die temperature slightly above the same. Thus, the pressure to which the billet is subjected will not cause the expulsion of the tin content therefrom as would be the case if the temperature of the billet were above the melting point of tin. On the other hand, the temperature of the con tainer and the die being above the melting point of tin, a lubricating film of molten tin will be formed on the surface of the alloy which will reduce friction and facilitate extrusion.
As diagrammatically illustrated in Figure 1 of the drawing, A is the container which is maintained by suitable means (not shown) at a temperature from 550 F. to 600 F. B is the billet of alloy within the container, C is the compression plunger and D the die through which the metal is extruded. It is usual with apparatus heretofore used for the extrusion of aluminum to form the die at its entrance end with right angle or shearing edges. We have found, however, that with such construction when used with aluminum alloys having from 5% to 15% of tin, there is a tendency to tear and crack the edges and surfaces of the metal, but such difliculty we have avoided by forming the die with a curved surface at the entrance end, as indicated at E, Figure 1.
The extruded member may be varied in cross sectional contour according to the particular bearing which is to be formed or the subsequent steps employed in the completion of the bearing. Thus, in Figures 3, 4 and 5 the extruded member is in the form of a flat bar but with its edge portions of different shape. Figure 6 shows a bar having angle flanges or rib at the opposite ends thereof. Figure 7 shows a member of semi-cylindrical or segmental cross section, and Figure 8 shows a full cylindrical cross section. The extruded member which may be from fifteen feet to thirty feet in length is next drawn through a skiving die F to further accurately size the section and to remove the oxide film from the interior and exterior bearing surfaces. In case of the full cylindrical cross section this operation may be performed by internal and external breaching. The extruded member is next passed through a progressive die (not shown) in which it is submitted to the following consecutive operations:
(1) Cutting to prop'er length for a given bearmg;
(2) Cold coined to perfect half-circular cross section and with a radius or a longitudinal curve at each end;
(3) Perforated with oil holes;
(4) Stamped with oil grooves, as desired.
If the extruded member is in the form of a flat bar this must be bent longitudinally into arcuate form. If the extruded member is of arouate or full cylindrical cross section, then it is merely severed into bearing lengths.
We have found that extruded bars as above described, are capable of withstanding such subsequent cold operations, whereas cast material of the same composition is not susceptible to this amount of cold working without checking or cracking. Such difference we attribute to characteristics imparted to the material by the extrusion process.
What we claim as our invention is:
1. In a process of forming bearings from aluminum alloys containing from 5% to 15% of tin, the steps of extruding a. billet formed of such material preheated to a temperature from 250 F. to 350 F. and from a container at a temperature from 550 F. to 600 F. to form a member of predetermined cross sectional contour of substantially finished dimensions and subjecting said member to further operations for fashioning the same to finished form.
2. In a process of forming bearings from aluminum alloys containing from 5% to 15% of tin,-
the steps of extruding a billet formed of such material preheated to a temperature from 250 F. to 350 F. and from a container at a temperature from 550 F. to 600 F. to form a member of predetermined cross sectional contour of substantially finished dimensions, passing said member through a skiving die to accurately size the section and remove oxide film from the bearing surfaces thereof, cutting to predetermined lengths, and cold coining to finished size and form.
3. In a process of forming bearings'from aluminum alloys containing from 5% to 15% of tin, the steps of extruding a billet formed of such material preheated to a temperature of from 250 F. to 350 F. and from a container at a temperature from 550 F. to 600 F. to form a bar of approximately the cross sectional contour and dimensions of the finished bearing, passing said bar through a skiving die to accurately size the section and remove oxide film from the bearing surfaces thereof, cutting to bearing lengths, and cold coining to finished size and form.
4. A segmental bearing formed of extruded aluminum alloy containing from 5% to 15% of tin.
5. A segmental bearing formed of extruded aluminum alloy containing: tin, 8% copper, 2% and magnesium, 1%
6. In a process of forming bearings from aluminum alloys containing from 5% to 15% of tin, the steps of preheating a billet of the said alloy to a temperature less than the melting point of the tin constituent, and extruding the billet at such temperature.
7. In a process of forming bearings from aluminum alloys containing from 5% to 15% of tin, the steps of heating the container and die of an extrusion apparatus to a temperature higher than the melting point of tin, preheating a billet formed of the said alloy to a temperature less than the melting point of the tin constituent, and extruding the billet from the container through the die at the said temperatures.
8. In a process of forming bearings from aluminum alloys containing from 5% to 15% of tin, the steps of heating the container and die of an extrusion apparatus to a temperature notless than 550 F., preheating a billet of the said alloy to a temperature of not over 350 F., and extruding the billet from the container through the die at the said temperatures.
9. In a process of forming bearings from aluminum alloys containing from 5% to 15% of tin, the steps of heating a container and die of an extrusion apparatus to, a temperature from 550 to 600 F., preheating a billet of the said alloy to a temperature from 250 F. to 350 F., and extruding the billet from the container through the die at the said temperatures.
10. A bearing formed of extruded aluminum alloy containing from 5% to 15% of tin.
11. A bearing formed of extruded aluminum alloy containing: tin, 8%; copper, 2%; and magnesium, 1%.
WILLIAM E. MCCULLOUGH. EDWIN O, GOERKE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US317028A US2284670A (en) | 1940-02-02 | 1940-02-02 | Bearing and process of forming the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US317028A US2284670A (en) | 1940-02-02 | 1940-02-02 | Bearing and process of forming the same |
Publications (1)
Publication Number | Publication Date |
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US2284670A true US2284670A (en) | 1942-06-02 |
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ID=23231802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US317028A Expired - Lifetime US2284670A (en) | 1940-02-02 | 1940-02-02 | Bearing and process of forming the same |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2426940A (en) * | 1943-10-22 | 1947-09-02 | William E Mccullough | Journal bearing |
US2749604A (en) * | 1952-04-22 | 1956-06-12 | Okonite Co | Production of metallic bodies |
US2985435A (en) * | 1956-08-27 | 1961-05-23 | Gross Frank Robert | Heat-transfer apparatus |
US3413162A (en) * | 1967-01-24 | 1968-11-26 | Clevite Corp | Method for eliminating tin sweat in aluminum-tin alloys |
US4153756A (en) * | 1977-01-13 | 1979-05-08 | Taiho Kogyo Co., Ltd. | Aluminum-base bearing alloy and composite |
DE2928004A1 (en) * | 1978-07-11 | 1980-01-24 | Taiho Kogyo Co Ltd | ALUMINUM-TIN BASED BEARING ALLOY |
-
1940
- 1940-02-02 US US317028A patent/US2284670A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2426940A (en) * | 1943-10-22 | 1947-09-02 | William E Mccullough | Journal bearing |
US2749604A (en) * | 1952-04-22 | 1956-06-12 | Okonite Co | Production of metallic bodies |
US2985435A (en) * | 1956-08-27 | 1961-05-23 | Gross Frank Robert | Heat-transfer apparatus |
US3413162A (en) * | 1967-01-24 | 1968-11-26 | Clevite Corp | Method for eliminating tin sweat in aluminum-tin alloys |
US4153756A (en) * | 1977-01-13 | 1979-05-08 | Taiho Kogyo Co., Ltd. | Aluminum-base bearing alloy and composite |
DE2928004A1 (en) * | 1978-07-11 | 1980-01-24 | Taiho Kogyo Co Ltd | ALUMINUM-TIN BASED BEARING ALLOY |
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