GB811573A - Improvements in or relating to screw threaded fastenings - Google Patents
Improvements in or relating to screw threaded fasteningsInfo
- Publication number
- GB811573A GB811573A GB1429655A GB1429655A GB811573A GB 811573 A GB811573 A GB 811573A GB 1429655 A GB1429655 A GB 1429655A GB 1429655 A GB1429655 A GB 1429655A GB 811573 A GB811573 A GB 811573A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tin
- cadmium
- alloy
- coating
- layer
- 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
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 5
- 229910052793 cadmium Inorganic materials 0.000 abstract 5
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 5
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 238000009713 electroplating Methods 0.000 abstract 2
- 229910000925 Cd alloy Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- CSBHIHQQSASAFO-UHFFFAOYSA-N [Cd].[Sn] Chemical compound [Cd].[Sn] CSBHIHQQSASAFO-UHFFFAOYSA-N 0.000 abstract 1
- 230000004075 alteration Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000011253 protective coating Substances 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
811,573. Electroplating. IONIC PLATING CO. Ltd. May 18, 1956 [May 18, 1955], No. 14296/55. Class 41. [Also in Group XXV] A screw-threaded member has the threaded portion formed of steel, is formed to a diameter and pitch according to the particular standard employed, and has the threads electroplated with a protective coating comprising one or more layers of a tin-cadmium alloy or comprising alternate layers of tin and cadmium. In one arrangement an alloy layer is formed by im-. mersing the member successively in tin and cadmium electroplating baths and then subjecting it to heat treatment to alloy the tin and cadmium. A final protective film may be provided by immersing the coated member in a chromate-solution bath. The coating is sufficiently thin to require no alteration of the cooperating screwed member which is made to the same standard and, in a specific embodiment, a coating for a member comprising one 0.0001 inch layer each of tin and cadmium is said to provide equivalent anti-corrosive properties to a 0.0005 inch layer of either tin or cadmium alone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1429655A GB811573A (en) | 1955-05-18 | 1955-05-18 | Improvements in or relating to screw threaded fastenings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1429655A GB811573A (en) | 1955-05-18 | 1955-05-18 | Improvements in or relating to screw threaded fastenings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB811573A true GB811573A (en) | 1959-04-08 |
Family
ID=10038609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1429655A Expired GB811573A (en) | 1955-05-18 | 1955-05-18 | Improvements in or relating to screw threaded fastenings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB811573A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3494400A (en) * | 1967-10-24 | 1970-02-10 | John J Mccoy | Helical spring lockwasher |
US3831213A (en) * | 1971-03-08 | 1974-08-27 | R Bedi | Composite self-locking fastener |
US4023224A (en) * | 1974-04-05 | 1977-05-17 | Eaton Corporation | Method for producing self-locking fasteners |
US4060116A (en) * | 1974-11-11 | 1977-11-29 | Eaton Corporation | Method for producing self-locking fasteners |
US4091173A (en) * | 1971-12-15 | 1978-05-23 | M.C.P. Industries, Inc. | Multiple metallic layered coated metal product |
US4154139A (en) * | 1971-12-15 | 1979-05-15 | M.C.P. Industries, Inc. | Screw threaded fastening means and like products |
US4188459A (en) * | 1978-09-27 | 1980-02-12 | Whyco Chromium Company, Inc. | Corrosion resistant plating and method utilizing alloys having micro-throwing power |
EP0108558A2 (en) * | 1982-11-02 | 1984-05-16 | Ccl Systems Limited | Wedge type anchorage device |
US4692080A (en) * | 1985-12-13 | 1987-09-08 | Whyco Chromium Company, Inc. | Self drilling fasteners and process for making the same |
US4713855A (en) * | 1985-12-13 | 1987-12-22 | Whyco Chromium Company, Inc. | Process for making self-drilling fasteners |
US4773111A (en) * | 1986-11-12 | 1988-09-27 | Whyco Chromium Company, Inc. | Selectively hardened self drilling fasteners and process for making the same |
US4825527A (en) * | 1988-01-25 | 1989-05-02 | Multifastener Corporation | Method of attaching an element to a panel |
-
1955
- 1955-05-18 GB GB1429655A patent/GB811573A/en not_active Expired
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3494400A (en) * | 1967-10-24 | 1970-02-10 | John J Mccoy | Helical spring lockwasher |
US3831213A (en) * | 1971-03-08 | 1974-08-27 | R Bedi | Composite self-locking fastener |
US4091173A (en) * | 1971-12-15 | 1978-05-23 | M.C.P. Industries, Inc. | Multiple metallic layered coated metal product |
US4154139A (en) * | 1971-12-15 | 1979-05-15 | M.C.P. Industries, Inc. | Screw threaded fastening means and like products |
US4023224A (en) * | 1974-04-05 | 1977-05-17 | Eaton Corporation | Method for producing self-locking fasteners |
US4060116A (en) * | 1974-11-11 | 1977-11-29 | Eaton Corporation | Method for producing self-locking fasteners |
US4188459A (en) * | 1978-09-27 | 1980-02-12 | Whyco Chromium Company, Inc. | Corrosion resistant plating and method utilizing alloys having micro-throwing power |
EP0108558A2 (en) * | 1982-11-02 | 1984-05-16 | Ccl Systems Limited | Wedge type anchorage device |
EP0108558A3 (en) * | 1982-11-02 | 1985-06-05 | Ccl Systems Limited | Wedge type anchorage device |
US4692080A (en) * | 1985-12-13 | 1987-09-08 | Whyco Chromium Company, Inc. | Self drilling fasteners and process for making the same |
US4713855A (en) * | 1985-12-13 | 1987-12-22 | Whyco Chromium Company, Inc. | Process for making self-drilling fasteners |
US4773111A (en) * | 1986-11-12 | 1988-09-27 | Whyco Chromium Company, Inc. | Selectively hardened self drilling fasteners and process for making the same |
US4825527A (en) * | 1988-01-25 | 1989-05-02 | Multifastener Corporation | Method of attaching an element to a panel |
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